Driven by the global energy transition and the wave of green mobility, the electric vehicle industry is booming at an unprecedented rate. As a key link in the energy supply of electric vehicles, the performance and reliability of on-board chargers (EV On-Board Charger) are directly related to users' charging experience and vehicle safety. Among the core components of on-board chargers, high-frequency DC-DC transformers and inductive products (transformers and toroidal components) play a pivotal role. Among them, toroidal inductors (Toroidal Inductor) of T25 and above models have become the first choice of many customers due to their unique advantages. As an innovative enterprise with years of experience in the field of electronic components, we have been continuously supporting the electric vehicle industry and providing core components - inductors and transformers - for its on-board charger series products, driving the industry towards a new journey of high-quality development.

I. Core Value of Toroidal Inductors in On-Board Chargers

In the complex circuit system of electric vehicle on-board chargers, toroidal inductors play an indispensable role. Toroidal inductors of T25 and above models, with their high inductance, low DC resistance and excellent magnetic shielding performance, can effectively suppress electromagnetic interference and ensure current stability during charging. In the process of converting AC input to DC output, toroidal inductors smooth the current through their energy storage and release characteristics, avoiding damage to the battery caused by current fluctuations, thereby extending battery life and improving charging efficiency and safety. At the same time, their compact toroidal structure can effectively save circuit board space, meet the miniaturization and integration design requirements of on-board chargers, and provide strong support for the space layout and lightweight design of the entire vehicle.

II. Hefei Mycoiltech Technology: Forging Industry Advantages with Technology and Quality

1. Technological Innovation and Product Customization Capabilities

As a factory integrating R&D and production of electronic components such as inductors, high-frequency transformers, precision current transformers, and EMI filters, we have significant advantages in the R&D and production of components such as high-current toroidal inductors and chip inductors. In terms of technological R&D, we have set up a R&D team led by senior industry experts and continuously invested a large amount of resources in technological innovation. For toroidal inductors of T25 and above models, we have greatly improved the inductive performance and stability of the products by optimizing the magnetic core material formula and winding process. The use of magnetic materials with high magnetic permeability effectively reduces core loss, enabling the inductor to maintain efficient operation under high-frequency working conditions; the innovative winding technology ensures the uniform distribution of the coil, further enhancing the anti-interference ability of the inductor. What's more, we have always been customer-oriented and provide full-process customized toroidal inductor services: from the precise matching of special inductance values and size specifications to the design of solutions for special environmental applications such as high temperature resistance and anti-vibration, we can quickly respond to customer needs. At the same time, we support small-batch order requirements. Whether it is sample testing, R&D prototyping or small-batch trial production, we can deliver quickly through a flexible production system, reducing customers' initial investment costs and helping innovative projects to land efficiently.

2. Strict Quality Control and Manufacturing Strength

In the production and manufacturing process, relying on the advantages of Hefei's advanced industrial cluster, we have introduced internationally advanced automated production equipment and precision testing instruments, and established a strict quality control system. We carry out refined management from the selection and storage of raw materials, to each process in the production process, and to the all-round inspection of finished products. Through ISO9001 quality management system certification, we ensure that every toroidal inductor leaving the factory meets high-performance requirements, providing customers with reliable product guarantees.

III. Work Together to Create a New Future for the Electric Vehicle Industry

With the continuous expansion of the electric vehicle market, the performance and quality requirements for core components of on-board chargers are constantly increasing（High frequency electronic transformer， precision current transformers, etc.）. We are well aware that as an important part of the industrial chain, only by closely cooperating and innovating with customers can we better meet market demands and promote industrial development. In terms of service philosophy, we have always adhered to the "customer-centered" approach: from the early technical communication and scheme design of products, to the mid-term production, manufacturing and delivery, and then to the later after-sales technical support, we are deeply involved in the whole process. If you encounter any problems in product selection and use, you can contact us at any time. Our professional engineer team will provide one-on-one technical support, from circuit design optimization to troubleshooting, to ensure that customers have no worries throughout the project.

In the future, we will continue to increase R&D investment in electronic products related to electric vehicles, constantly explore new technologies and processes, and continuously optimize product performance and quality. At the same time, we will actively expand cooperation with more customers, deepen industrial collaboration, jointly overcome technical difficulties, contribute to the performance improvement and industrial upgrading of electric vehicle on-board chargers, and work together to create a better future for the electric vehicle industry.

In the tide of the transformation of the electric vehicle industry, we will continue to take core components as the pen, innovative technology as the ink, and customized services as the bridge. At the same time, we welcome all kinds of professionals in the industry to discuss and help write a wonderful chapter of industry development. If you need standard products or personalized solutions, please feel free to contact us. We will become your trustworthy partner with professional attitude and technical strength, injecting more powerful impetus into green travel.

Email: sales008@mycoiltech.com

In the booming electronic information industry, inductors, as vital electronic components, play a crucial role in circuits. As Hefei Mycoiltech Technology Co., Ltd., with over a decade of deep cultivation in the electronics industry, we are committed to providing global customers with high-quality and diversified inductor products. This article details the characteristics and application scenarios of common inductors such as common-mode inductors, differential mode inductors, rod inductors, and air core inductors, demonstrating Mycoiltech Technology's professional accumulation in the inductor field.

1. Common Mode Inductors: The "Antidote”to Electromagnetic Interference

Common mode inductors are formed by symmetrically winding two coils of identical size and turns on the same iron core, suppressing common-mode currents through magnetic field superposition while minimally affecting differential mode currents. Leveraging over 10 years of technical precipitation, Mycoiltech Technology's common mode inductors adopt high permeability core materials, featuring stable inductance and strong anti saturation capability to effectively meet stringent electromagnetic compatibility requirements.

Application Scenarios & Market Opportunities

Widely used in switching power supplies and power input ends of electronic devices, common-mode inductors are critical for EMC compliance. With strict EMC standards (e.g., FCC, CE) in Europe and America,Mycoltech Technology's certified common mode inductors are compatible with high-end power modules. We provide customized solutions for customers, offering end to end technical support from sample testing to mass production, assisting clients in international expansion with tailored switching power supply common-mode inductors.

2. Differential Mode Inductors: The "Regulator" of Differential-Mode Noise

Differential-mode inductors, with a single coil structure, suppress differential-mode noise between power and signal lines by attenuating interference signals through high-impedance characteristics. Mycoltech Technology's differential mode inductors feature low DC resistance design, minimizing energy loss while inhibiting noise—ideal for audio and communication devices with strict signal purity requirements.

Industry Advantages & Customer Value:

In the high end audio equipment market, differential-mode inductors are key to ensuring sound quality. Targeting niche sectors like headphone amplifiers and professional audio systems, we offer products with diverse inductance values and package forms, supporting low volume trials and rapid prototyping. Our decade-plus industry experience ensures precise matching of customers' performance requirements for differential mode inductors, providing customized anti interference inductors for audio circuits to help clients establish technical advantages in audio supply chains.

3. Rod Inductors: Pursuers of High Inductance

Rod inductors achieve compact size, high inductance performance by winding coils around high permeability magnetic rods (e.g., ferrite), offering a wide adjustable inductance range. Mycoltech Technology's rod inductors adopt automated winding processes, with inductance precision controlled within ±5%, meeting the rigorous stability requirements of tuning and oscillation circuits.

Emerging Markets & Product Layout:

In regions like Southeast Asia and the Middle East, where digital TV and broadcasting technologies are rapidly developing, rod inductors see surging demand as core components of tuning circuits. We have proactively deployed high-frequency rod inductors products supporting stable operation in the 470-862MHz band, compatible with global mainstream broadcasting standards, providing high frequency rod inductors to offer reliable product support for clients expanding into emerging markets.

4. Air Core Inductors: Leaders in High-Frequency Fields

The coreless design of air-core inductors eliminates magnetic saturation in high frequency scenarios, ensuring excellent frequency characteristics.Mycoltech Technology's air core inductors, wound with silver plated copper wires, feature a Q factor exceeding 50, suitable for high frequency oscillation and filtering circuits in 5G communication and Wi-Fi 6 devices.

Technological Leadership & Market Trends:

With the popularization of 5G base stations and high-end routers, demand for air core inductors in the 1-10GHz frequency band has exploded. Equipped with mature high frequency inductor design capabilities, we can customize special structures like spiral and honeycomb types based on customer drawings, manufacturing air core inductors to help clients seize opportunities in the wireless communication component market.

5. Hefei Mycoil Technology: A Decade of Industry Accumulation Driving New Developments in Electronics

As a senior participant in the electronic components industry, Mycoltech Technology has always driven value creation for global customers through a "technology + service" dual engine:

Full Product Portfolio: Beyond the above inductors, we offer over 200 models including power inductors, chip inductors, transformer-related products, and accessories—thousands of product models to meet one stop procurement needs.

Quality Control: Certified under IATF 16949 quality management system, our products undergo 12 inspection processes from raw materials to finished goods, ensuring 99.8% reliability.

For customers, choosing Mycoiltech Technology means more than just procuring components—it means gaining a professional technical partner. We deeply understand regulatory differences across markets (e.g., RoHS environmental directives, AEC Q200 automotive standards), helping clients navigate trade barriers and enhance supply chain efficiency.

Despite their small size, inductors carry the core mission of ensuring stable electronic circuit operation. Hefei Mycoiltech Technology Co., Ltd., built on a decade of industry research, continues to innovate product technologies and optimize service systems. We look forward to partnering with global customers, using high quality electronic products as a bridge to explore the trillion level electronic components market, earning customer trust and achieving win-win cooperation in fierce competition.

Looking for Reliable PTFE PCBs? What makes F4BM PCB Stand Out?

Brief introduction

Wangling F4BM high frequency materials are PTFE glass fiber cloth copper clad laminates that combine glass fiber cloth,PTFE resin, andPTFE film through a meticulous manufacturing process.

These F4BM series laminates offer improved electrical performance compared to F4B due to their wider range of dielectric constants, low dielectric loss, increased insulation resistance, and enhanced stability. Consequently, they can serve as replacements for similar foreign products.

F4BM iscladded with forward-rotating ED copper foil, making it suitable for applications without PIM (Passive Intermodulation) concerns.

Features

You have the flexibility to choose from a range of DK (dielectric constant) options spanning from 2.17 to 3.0.

The DF (dissipation factor) falls within the range of 0.001 to 0.0018.

There is a wide selection of thickness options to accommodate your specific requirements and the availability of diverse sizes allows for cost savings.

All these characteristics make it well-suited for commercial applications, large-scale production, and cost-effectiveness.

PCB Capability

Our comprehensive PCBmanufacturing capabilities cover a wide range of aspects.

Wecanprovide Single Sided, Double Sided, Multilayer, and Hybrid PCBs to meet your specific needs.

You have the flexibility to choose from copper weights of 1oz (35µm) and 2oz (70µm) for your PCBs.

Additionally, we offer a variety of dielectric thickness options, ranging from 0.8mm to 12.0mm, including specific measurements such as 1.524mm and 1.575mm.

Our capabilities extend to PCB sizes up to 400mm X 500mm, ensuring we can accommodate your size requirements.

To customize the appearance of your PCBs, we provide a selection of solder mask colors, including Green, Black, Blue, Yellow, Red, and more.

Furthermore, we offer multiple surface finish options, such as Bare copper, HASL, ENIG, Immersion silver, Immersion tin, OSP, Pure gold, ENEPIG, and more.

Applications

F4BM high frequency PCB finds it’s wide range of applications, such as phase shifter, passive device, power divider, coupler, combiner, feed network, phased array antenna, satellite communications, base station antenna and radar etc.

If you’re tired of clunky gadgets that prioritize tech over taste, meet the E18 PRO smartwatch—a device that marries elegance with functionality like no other. From the moment you strap it on, its jade-inspired design catches the eye, with a sleek, integrated look that feels less like a gadget and more like a statement accessory. The bright color big screen isn’t just for show; it makes checking stats, messages, or the weather a breeze, even in sunlight.​

What truly sets it apart is how it simplifies daily chaos. Dual Bluetooth chips mean you can take calls directly from your wrist—no more fumbling for your phone during a workout or while carrying groceries. Missed calls become a thing of the past, thanks to vibration alerts, and one-touch rejection lets you stay focused when needed. Music lovers, rejoice: AAC speakers with high-performance decoding chips let you stream your favorite playlists without needing your phone nearby.​

Health tracking feels less like a chore, too. 24/7 monitoring of heart rate, blood pressure, and blood oxygen replaces those bulky, outdated devices, giving you real-time insights into your well-being. Whether you’re hitting the gym (with multi-sport modes to track every move) or just running errands, the E18 PRO keeps up. And with NFC access control, unlocking your front door or office is as easy as lifting your wrist—a small touch that adds big convenience.​

Magnetic charging ensures you’re never caught with a dead battery, and with a range of customizable dials, you can switch up its look to match your mood. The E18 PRO isn’t just a smartwatch; it’s a lifestyle upgrade that proves technology can be both intelligent and beautiful.

The QX15 smartwatch has emerged as a standout device in the realm of wearable technology, seamlessly integrating classic aesthetics with cutting-edge features that enhance daily life. Its 1.85-inch TFT HD screen, boasting a 240*284-pixel resolution, delivers sharp visuals and vibrant colors, ensuring clear readability whether users are checking notifications or tracking fitness metrics.​

At the core of the QX15’s appeal is its comprehensive health monitoring suite. With 24/7 heart rate and blood oxygen tracking capabilities, the watch provides users with real-time insights into their physical condition. The advanced Savi algorithm enables precise sleep monitoring, accurately identifying different sleep stages such as deep sleep, light sleep, rapid eye movement, and wakefulness. This data empowers users to analyze and improve their sleep quality. Moreover, the women’s health management feature, leveraging intelligent deep learning algorithms, offers accurate predictions for menstrual, ovulation, and fertile periods, providing essential support and timely reminders.​

Versatility is another key strength of the QX15. Catering to fitness enthusiasts, it offers over 100 sports modes, covering a wide array of indoor and outdoor activities. The built-in Hi-Fi speaker guarantees high-quality audio for both calls and music, enhancing the overall user experience. Bluetooth call functionality allows for convenient wrist-based communication, ensuring users never miss important calls. With an IP68 waterproof rating, the watch can withstand daily exposure to water, from rain to handwashing. Additionally, its robust battery life, lasting up to 5 days with continuous heart rate monitoring and 35 days on standby, ensures uninterrupted usage, making the QX15 a reliable companion for any lifestyle.

The WNHVIPT-1 through-wall series connector is a high-voltage shielded connector with a plastic housing, meticulously developed by WAIN for internal high-voltage connections in new energy vehicles. This connector is widely applicable in passenger vehicles, construction machinery, special-purpose vehicles, as well as key components such as electric motors and motor controllers for electric motorcycles.
With extensive technical expertise and a comprehensive product portfolio in this field, WAIN ensures that the WNHVIPT-1 series connectors are perfectly compatible with shielded cables of various specifications, covering different wire sizes from 2.5mm² to 95mm². This versatility fully meets the demands of diverse application scenarios.
Additionally, the series excels in current-carrying capacity, supporting up to 320A MAX, making it ideal for high-power, high-current operating environments. 

In the realm of electronics, the terms "crystal oscillator" and "clock" are often used interchangeably, leading to some confusion. While closely related, they are not precisely the same. A crystal oscillator is an electronic circuit that uses the piezoelectric effect of a vibrating crystal (typically quartz) to create an electrical signal with a very precise frequency. This highly stable and accurate frequency is then used as the fundamental timing reference, or clock signal, for a wide array of digital and analog circuits. So, while a crystal oscillator generates the stable frequency, it's the resulting signal that functions as the system's clock. This distinction becomes increasingly important as we delve into the intricate world of modern smart mini-appliances, where precision timing is paramount for seamless operation and communication.

The Indispensable Role of Crystal Oscillators in Miniaturized Smart Devices

The rapid evolution of smart home technology has led to a proliferation of compact, personalized, and highly specialized devices. From the soothing ambiance of a smart aroma diffuser to the immersive experience of a mini portable projector, and the personal soundscape of a wearable speaker, these innovative gadgets share a common reliance on precise timing. At the heart of their stable communication and accurate control lies the often-unseen but critically important high-performance crystal oscillator.

Consider the smart aroma diffuser. This seemingly simple device integrates various functions: timed diffusion, app control, and sometimes even light and sound synchronization. For the diffuser to release mist at precise intervals, or for its integrated lighting to cycle through colors smoothly, a stable timing reference is essential. A miniature crystal oscillator provides the bedrock for these functions, ensuring the microcontroller responsible for timing operates accurately. Without this frequency control component, the diffuser might spray erratically, or its programmed schedules would deviate significantly, undermining the user experience. The timing accuracy offered by these components is what allows for the granular control users expect.

Similarly, mini projectors demand exceptional timing stability for their complex operations. High-definition video processing, wireless connectivity (Wi-Fi, Bluetooth), and precise synchronization between image generation and projection all depend on robust clock signals. A high-stability crystal oscillator ensures that the video frames are rendered and displayed without jitter, that the wireless communication protocols maintain their integrity, and that all internal components operate in perfect harmony. Any drift in the clock frequency would lead to noticeable visual artifacts, dropped connections, or system crashes, highlighting the crucial role of oscillator stability in multimedia devices. The intricate dance of millions of pixels across the screen relies on a highly stable frequency reference.

Precision Communication and Control: Beyond the Basics

The demands on crystal oscillators in smart mini-appliances extend beyond simple timing. They are foundational to reliable wireless communication. Devices like wearable speakers, which often connect wirelessly to smartphones or other audio sources, rely on crystal oscillators to generate the precise carrier frequencies for Bluetooth or Wi-Fi modules. If the reference clock for these modules is unstable, data packets can be corrupted, leading to audio dropouts, connection failures, or significantly reduced range. The frequency precision provided by the oscillator ensures that the wireless signals are transmitted and received accurately, maintaining a robust and uninterrupted connection. This is vital for maintaining signal integrity and preventing data loss in wireless transmissions.

Furthermore, precise control in these compact devices often involves intricate sensor integration and actuator manipulation. A smart aroma diffuser might incorporate humidity sensors and fan speed controllers. A mini projector could have temperature sensors and fan controls to manage heat dissipation. Each of these components requires synchronized operation, facilitated by a consistent system clock. The crystal oscillator acts as the heartbeat of the entire system, ensuring that data from sensors is read at the correct intervals and commands to actuators are executed with millisecond accuracy. This level of synchronization is only possible with a highly stable timing device.

The Miniaturization Challenge and Crystal Oscillator Innovation

The trend towards extreme miniaturization in smart home devices presents unique challenges for crystal oscillator manufacturers. These components must not only be small but also maintain their high performance in constrained environments, often with limited power budgets. Innovations in packaging technologies, such as Chip Scale Package (CSP) and Ceramic Surface Mount Device (CSMD), have enabled the creation of incredibly tiny yet powerful oscillators. Furthermore, advancements in manufacturing processes have led to crystals that exhibit even greater long-term stability and less susceptibility to environmental factors like temperature fluctuations. This focus on compactness and robustness is vital for their integration into ever-smaller product designs without compromising performance. The ongoing development of miniature oscillators is key to the continued innovation in this space, driving down the component footprint while improving performance reliability.

In conclusion, while a crystal oscillator is not a "clock" in the everyday sense, it is the fundamental component that generates the precise and stable electrical signal that serves as the system clock for countless electronic devices. In the world of personalized, miniaturized smart home appliances—from smart aroma diffusers and mini projectors to wearable speakers—the high-performance crystal oscillator is an unsung hero. It underpins stable communication, enables precise control, and facilitates the seamless user experiences we have come to expect. As these devices become even more sophisticated and ubiquitous, the demand for ever more precise, smaller, and robust crystal oscillators will only continue to grow, solidifying their indispensable role in the future of smart living.

In today's competitive hospitality industry, every detail shapes guest satisfaction. Headboard lamps have emerged as a silent powerhouse, and evolved from a niche feature to an essential element in modern guest room design. When selecting a hotel headboard light fixture, consider the following factors.

1. Functionality and Purpose

The primary function is often reading, however they can also be a source of indirect mood lighting. Determine which way you are most likely to use it.

2. Fixed or Adjustable

The lights with adjustable function are highly desirable, goose necks or adjustable arms or swivel heads allow each guest to position light exactly where they need it. On the other hand, fixed lights do not move and the usage is incredibly limited.

3. Brightness Levels

Offering dimmable options allows guests to adjust the brightness to their preference, creating different moods or catering to varying light sensitivities.

4. Integrated Features

Built‑in USB charging ports or power outlets or touch‑switch activation in the base offer immense convenience to tech‑savvy travelers.

5. Mounting Style

Consider whether you want to mount the light on the headboard or the wall. You can choose recessed fixtures or surface mounted fixtures for both applications.

6. Design Harmony

Choose finishes, shapes, and materials that reflect your property's aesthetic and complement the overall interior design of the hotel room. Whether sleek and minimal, classic and ornate, or rustic and natural, it can blend seamlessly into the surrounding.

At Sunwin, we provide headboard lights to exceed hospitality demands. As a top hotel project lamps vendor in China, we help properties worldwide merge style, function, and efficiency - proving that the smallest details often shine brightest. Ready to transform your rooms? Explore Sunwin's Headboard Lighting Collection or contact us now sales@sunwinhotellighting.com!

Have you ever felt like your dive watch just can't keep up with your underwater adventures? Well, get ready to have your mind blown by the all-new Apache-D!​

I recently got my hands on this amazing timepiece, and it's completely transformed my diving experience. The moment I strapped it on, I knew it was something special. The turbine bezel design, crafted from 316L stainless steel, not only looks incredibly sleek but also offers excellent durability. I don't have to worry about scratches or wear even during the most rugged dives.​

What truly sets the Apache-D apart are its features. The Freediving Mode is a game-changer. It provides real-time depth and duration tracking with rapid-ascent alerts, ensuring my safety at all times. The custom depth alarms and safe depth reminder give me the confidence to explore deeper without overstepping my limits. And the water temperature sensor? It's like having a secret weapon to find the best fishing spots!​

But the awesomeness doesn't stop there. In my daily life, the world time, stopwatch, and pedometer functions come in so handy. The high - contrast display is crystal clear, whether I'm in bright sunlight or the dim light of the underwater world. And the magnetic charging? No more fumbling with batteries!​

If you're a diving enthusiast or just someone who loves a reliable, feature-packed watch, the Apache-D is a must have. It's not just a watch; it's a ticket to unlocking new adventures and becoming the best diver you can be!

A high frequency transformer is a crucial electrical energy conversion device based on the principle of electromagnetic induction. It transfers energy between primary and secondary coils through high frequency alternating current, enabling functions such as voltage transformation and impedance matching. With advantages like compact size, high efficiency, and rapid response, high frequency transformers are widely applied in fields including switching power supplies, communication equipment, and new energy systems. They serve as indispensable core components in modern power electronics systems.

The following roles of high frequency transformers in circuit systems can be summarized:

1.Voltage Transformation: By adjusting the turns ratio, high-frequency transformers can step up or step down the input voltage, meeting the diverse power requirements of various electronic devices. For instance, in a mobile phone charger, a high-frequency transformer reduces the 220V mains voltage to 5V or higher, suitable for battery charging.

2. Electrical Isolation: The physical insulation between primary and secondary coils breaks direct electrical connections, effectively preventing electric shock hazards. Additionally, it suppresses electromagnetic interference, ensuring system safety and stable operation. In medical equipment, this isolation function protects patients from electrical shocks.

3.Impedance Matching: Through precise adjustment of coil turns, high frequency transformers optimize impedance matching between power sources and loads. This minimizes signal transmission losses and enhances power transfer efficiency, playing a pivotal role in wireless communication and audio amplification circuits.

4.Signal Coupling: High-frequency transformers enable efficient coupling of high-frequency signals across different circuits. They filter out direct current components while retaining alternating current signals, making them essential in devices like modems and radio frequency identification (RFID) systems.

In conclusion, high frequency transformers not only fulfill the fundamental function of voltage conversion but also contribute significantly to electrical safety, signal processing, and power transmission. As core components, they drive the miniaturization and high efficiency development of electronic devices.

We manufacture various series high frequency transformers(EFD, ETD, EF, ER), precision current transformers, toroidal transformers, high power trasnformers, etc. These products are widely used in new energy vehicle charging piles, 5G communication base stations, industrial automation equipment and other fields, and have won market recognition for their high performance and reliability, if you have any technical issue, weclome to contact us for more details.