Electronics

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Electronics Suppliers and Manufacturers

Parts, Components & Raw Materials

Find Parts, Components & Raw Materials from the best B2B online marketplace. Find a reliable Parts, Components & Raw Materials supplier, vendor, manufacturer or distributor to get free quote on HKTDC Sourcing.

Parts, Components & Raw Materials Suppliers and Manufacturers

Passive Components

elec

Find Passive Components from the best B2B online marketplace. Find a reliable Passive Components supplier, vendor, manufacturer or distributor to get free quote on HKTDC Sourcing.

Passive Components Suppliers and Manufacturers

Zhejiang Lianlong Electron & Electric Appliances Co Ltd

 The advanced transformer features a consistent power output. Built with exquisite  craftsmanship  and excellent material, it provides guaranteed robustness and durability. Its compact design will fit perfectly to your modern lighting gadgets.    Input voltage: 230V AC.   Output: 12V.   Standard material: non-reinforced nylon 66.   Current: 2,000mA.  

Electrical Transformer

Electrical Transformer with consistent power output and compact design.

Sheng-Yu (Dong Guan) Electronic Technology Co., Ltd.

This low-frequency transformer is widely used in lighting products. This professional transformer is compact and versatile. This high-quality transformer is also easy to install. 	 High quality. 	 Power transformer series.  

Electronic Transformer

Electronic Transformer for lighting and versatile applications

This is a professional high-frequency transformer with a robust housing. Featuring a wide frequency range and a wide working voltage range, this transformer is versatile and easy to use. This high-frequency transformer is durable and reliable.
 
  High frequency transformer series. 
  Wide frequency range/wide working voltage range. 
 

Electronic Transformer with wide frequency and voltage range

This is a low-frequency transformer with a sophisticated and detailed structure. It consists of high-performance components for stable operation. This piece is manufactured under strict QC to promise quality you can rely on. 	 UL 1585. 	 Excellent craftsmanship.  

Low-Frequency Transformer

Low Frequency Transformer with high performance components and strict QC

Ever Shining Optotech Co., Ltd

The featured products are electronic transformers, designed to change voltages by transferring electrical energy from one circuit to another. 	 60W, 80W, 150W. 	 Designed with plastic casing in white colour. 	 AC power operated.&nbsp;  

AC-AC Electronic Transformer

AC Electronic Transformer for voltage change and energy transfer

 The advanced transformer comes with a fuse protection function to ensure safe operation. It also features credible stability in the power output to maximize your electrical devices' performance. With great robustness, it promises a long lifespan. 
 
  Red LED&nbsp;lamp indicating the power source. 
  Maximum power: 1,000W. 
  Built-in AC voltage selection. 
  Input plug: ET, AT, BS, SAA. 
 

Step-Up/Down Transformer

Step Up Down Transformer with fuse protection and stability

Ninghai Yingjiao Electrical Co Ltd

This high-frequency transformer features a compact and rigid housing. It boasts stable working performance and a long service life. The versatile transformer is suitable for assorted electrical applications. 	 Easy installation. 	 Available in various models.  

High-Frequency Transformer

High Frequency Transformer with compact housing and stable performance.

This high-frequency transformer features a compact and rigid housing. It boasts stable working performance and a long service life. The versatile transformer is suitable for assorted electrical applications.
 
  Excellent craftsmanship. 
  Available in various models. 
 

High Frequency Transformer with stable performance and long service life.

 The sophisticated transformer comes with a built-in AC voltage selection to meet different rating requirements easily. Made with excellent craftsmanship, it promises excellent durability and stability. It makes a perfect accessory to your electrical devices to ensure their best functioning.    Maximum power: 100W.   Operates on 110/220V AC main electricity.   With fuse protection.   Input plug: ET, AT, BS, SAA.  

Voltage Transformer

Voltage Transformer with built-in AC voltage selection

AcTEC Electronics Co., Limited

This electronic transformer is made with a thermally stable and shatter-proof plastic casing. It delivers overload and short circuit protection with a self resetting function. It is fully dimmable with a leading edge or trailing edge dimmer.
 
  Electronic transformers for 12V halogen lamps. 
  Products include 60W, 70W, 105W, 150W, and 250W. 
  Electronic transformers suitable for independent, built-in, with leads, plug pack form, track lamps, and dimmable luminaires. 
  Modern design. 
  Captured terminal screws. 
  Light weight. 
  High efficiency (95%). 
  Safe no-load operation. 
  Over temperature cut off. 
  Long converter life=50,000 hours. 
  Simple installation. 
  Electronic ballast series is available: ECO (Economic), E (Efficient), SE (Slim Efficient), IM (Intelligent Multi-lamp), PMD (Professional Multi-watt Dimmable), and DC (Direct Current). 
 

Electronic Transformer for 12V halogen lamps

Ningbo Euro Electrical Co.,Ltd

This site transformer includes two sockets which conform to international standards. The&nbsp;housing is made of&nbsp;lightweight but strong GRP&nbsp;(glass-reinforced plastic), offering&nbsp;excellent protection&nbsp;to the&nbsp;interior components.&nbsp;It offers ready power transformation&nbsp;to site tools.&nbsp;

 
  Power: 110V output, 240V input. 
  Sockets: 2 x 16A. 
  Portable design. 
  With a top&nbsp;handle. 
 

Site Transformer

Site Transformer with portable design and dual sockets

 This compact transformer is designed for light boxes. It features credible durability and excellent craftsmanship. It also promises stable and consistent power to maximize your electronic gadgets' utility. 
 
  Input voltage: 220V AC. 
  Output: 12V. 
  Standard material: non-reinforced nylon 66. 
  Current: 800mA. 
 

LLB Series Transformer

LLB Series Transformer for light boxes with stable power

Mobicon Holdings Ltd

Claf AC/DC Power Suppliers , DC/DC Converters 

Claf AC/DC Power Suppliers

HUIZHOU SANHUA INDUSTRIAL CO., LTD.

 This high voltage generator is capable of creating 12kV DC power. It is widely adopted in various electric devices. The compact structure ensures easy installation for users. 
 
  High quality. 
  Reliable performance. 
 

High-Voltage Generator

High Voltage Generator capable of creating 12kV DC power

This is a PSU designed for 42-inch LED TVs. It professionally assembled with high-quality parts for reliable performance. Manufactured under strict QC, this PSU promises quality you can rely on.
 
  Different designs are available. 
  Excellent craftsmanship. 
 

LED TV PSU

RoMaks Limited

RoMaks Limited offers a broad range of inductors and magnetic cores for use in power electronics, signal filtering, EMI suppression, and energy storage. With in-stock availability, custom manufacturing capabilities, and expert technical support, we are your go-to partner for magnetic solutions tailored to high-performance electronic systems. Our components are designed to meet the increasing demands of today's compact, energy-efficient, and high-frequency circuits. Whether you need standard wire-wound inductors, surface-mount coils, or custom ferrite cores — RoMaks provides both standard and bespoke solutions optimized for your applications. 🌀 Our product offering includes:Inductors: Wire-wound inductors (SMD and through-hole) Power inductors (shielded, unshielded) Choke coils (common mode, differential) Toroidal inductors Air core and ferrite core inductors Magnetic Cores: Ferrite cores (toroid, E, U, RM, PQ, EE, EC, and more) Nanocrystalline and amorphous alloy cores EMI suppression beads and sleeves Custom-shaped magnetic cores for transformers, filters, and converters All components are manufactured under strict quality standards and conform to RoHS, REACH, and ISO 9001certifications. 🛠️ Custom Development Capabilities:RoMaks provides engineering and production services for companies requiring custom inductance values, magnetic characteristics, or mechanical dimensions. Tailor-made inductors and cores based on electrical requirements, winding specs, and application use cases. Custom coil winding with precise turn counts, multi-layer design, and shielding. Press mold development for custom ferrite or alloy cores. Material options: soft ferrite, iron powder, nanocrystalline, and more. We support low-MOQ prototyping as well as high-volume production with full documentation and sample testing available upon request. 🚚 Logistics &amp; Stock:Large selection of standard inductors and ferrite cores in stock. Fast delivery from our Hong Kong warehouse and trusted partner locations. Flexible order quantities for both development and mass production stages. OEM/ODM branding options available for large orders. ⚙️ Applications:Our inductors and cores are widely used in: Power supplies (SMPS, DC-DC converters) Electric vehicle systems Industrial motor control Signal processing and EMI suppression Consumer electronics and IoT Telecom and RF modules We work closely with design engineers, procurement teams, and manufacturers to ensure you receive the exact inductive components your system demands — quickly, reliably, and cost-effectively. 📩 Contact us today for datasheets, engineering support, or a quote on standard or custom inductive components. 

Inductors, Choke coils 

Inductors and choke coils for power electronics and signal filtering

Weihai Dongxing Ele Co Ltd

 This power transformer comes with eminent performance inductors and coils. The high frequency transformer is suitable for EL/CCFL inverters or DC/DC converters use. We offer assorted power transformers for fulfilling your needs. 
 
  EE5 current sensor transformer. 
  ADSL transformer. 
  EFD series transformer. 
  ER series transformer. 
  RM series transformer. 
  EP series transformer. 
  EPC series transformer. 
  EE series transformer. 
  EP type magnet shielding switch transformer. 
  RM type communication filter, aux power transformer. 
  T (ring) type filter and switch transformer. 
  G (jar shape) switch transformer. 
  DR (I) type transformer. 
  T (ring) iron power core and DC filter inductor. 
  Transformers types: PQ, CI, UI, EFD, EP, ER, EPC, POT, RM and EE. 
 

Power Transformer

Power Transformer with high performance inductors and coils

 The pictured power transformer boasts a high frequency feature for EL/CCFL inverters or DC/DC converters installations. Meticulously made, the transformer guarantees long lasting durability. There is a wide range of power transformers available for your selection. 
 
  EE5 current sensor transformer. 
  ADSL transformer. 
  EFD series transformer. 
  ER series transformer. 
  RM series transformer. 
  EP series transformer. 
  EPC series transformer. 
  EE series transformer. 
  EP type magnet shielding switch transformer. 
  RM type communication filter, aux power transformer. 
  T (ring) type filter and switch transformer. 
  G (jar shape) switch transformer. 
  DR (I) type transformer. 
  T (ring) iron power core and DC filter inductor. 
  Transformers types: PQ, CI, UI, EFD, EP, ER, EPC, POT, RM and EE. 
 

Power Transformer with high frequency feature for inverters and converters

Chozeng Electric Co.

 	 Specification:in power is accepatle(tailor-made)  

Audio Power Transformer

Toroidal Transformer

Chain-Mate Industrial Co., Ltd

 This is a power transformer that comes in a compact size. Made of silicon steel, this E-I transformer is efficient and reliable. This high quality power transformer is easy to install. 
 
  E-I type. 
  Silicon steel. 
  Easy to install. 
 

Power Transformer - efficient and reliable E I transformer

Xiamen Unicreed Electronics Co Ltd

This&nbsp;power transformer offers a convenient solution for voltage conversion. The ferrite core provides more reliable and efficient operation. It can be used with appliances that require a continuous power source.   Safe to use.   Material: ferrite.
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