Electronics

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

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

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Passive Components Suppliers and Manufacturers

Sun Lik Printing & Screen Metal Co

Established in 1983, our company has over 40 years of experience in manufacturing electronic components. We also have a factory in China, established in 1998, with over 20 years of experience. Our main business includes hardware accessories, screen-printed metal and film (signs, membrane switches, nameplates, indicators, hardware components, etc.), various fireproof insulating materials (Nowex T40, NF-77, PC, PET, etc.), elastic materials (PORDN, EVA, sponge, etc.), double-sided adhesive tape (3M, tesa, NITQ, and ordinary double-sided adhesive paper tape, etc.), and various spare parts. 

CUSTOM SIK SCREEN PRINTING PANEL

CUSTOM SIK SCREEN PRINTING PANEL for electronic components

Fenghua (Hong Kong) Electronics Ltd.

  The ceramic capacitor can be used in various electronic devices such as kids'' toys.  The high voltage capacitor allows small electric current for safety.  Capacitors is used to store electron energy temporarily for circuit signals.  

Ceramic Capacitor

Ceramic Capacitor for electronic devices and safety applications

UNIVERSAL (CHANGZHOU) ELECTRONICS CO.,LTD.

This is a series of buzzers and raw speakers. Theses electronic components are of SMD type. They are suitable for surface mount electronic devices.   Made of PPS or PBT material  Heat resistant design  Small sized and space saving  

SMD Type Buzzer and Speaker

Evergreen (H.K.) PCB Limited

雙面電子線路板---黑色阻銲油---另有其他顏色選擇

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

KWAN DA ELECTRONIC (HK) LIMITED

ITEM PERFORMANCE  Title MICRO SWITCH  Model MX-322  Rating 0.1A 30V DC  ContactResistance(mohms) 100mΩ max  Insulation Resistanc(Mohms) 100mΩ min at 500V DC  Dielectric Strength(V) AC 1000V for 1 min  Mechanical LifeTest 100,000 Cycles 

MICRO SWITCH(MX322)

MICRO SWITCH MX322 electronic component with high performance

The ceramic&nbsp;chip capacitor is well engineered with high precision, ensuring superior performance and stability. It is constructed of ceramic and metal. This ceramic chip capacitor is&nbsp;used in an extensive range of electrical and electronic applications.&nbsp;
 
  Customized designs are welcome. 
  Nice quality. 
 

Ceramic Chip Capacitor

Ceramic Chip Capacitor with high precision and stability

ITEM PERFORMANCE Title TACT SWITCH Model TC-1120-R Rating 20mA 12V DC ContactResistance(mohms) 100mΩ Max Insulation Resistanc(Mohms) 100MΩ MIN for 250V DC 1Min Dielectric Strength(V) 250V AC 1Min LifeTest 100,000 Cycles 

LED TACT SWITCH(TC-1120-R)

ITEM  PERFORMANCE  Title  lighting switch  Model  TC-1120-R  Rating  50mA 12V DC  ContactResistance(mohms)  100mΩ max  Insulation Resistanc(Mohms)  100MΩ min at 500V DC  Dielectric Strength(V)  AC 500V for 1min  LifeTest  100,000 Cycles 

lighting switch (TC-1120-R )

JS Technology Co., Ltd

 PCBA application aerospace electronics is a special product of PCBASIC, which is used a lot in our country。 As a leading PCB manufacturer in China, PCBasic provides one-stop PCB manufacturing services from raw material and electronic component procurement to in-house PCB manufacturing. We provide PCB assembly, testing, and shipping as well. 

Industrial PCBA

Industrial PCBA for aerospace electronics by PCBASIC

AL Goodwell Industries Ltd

 	 8.5 x 8.5 x 4mm 2371Hz 85dB 15 ?2ohm  

"AL" Brand SMD Transducer

   Photoelectricity series on component side &amp; SMD PCB.  

Double Layer 

Double Layer SMD PCB for electronic components

 	 0.20mm板厚 	 透明色阻釬油 	 抗氧化工序 	 醫療產品線路板  

Medical PCB 醫療產品線路板

Title DC POWER JACK  Model DS-313-A    Rating  0.3A 30V DC  Function  1P2T   ContactResistance(mohms)  30mΩMax  Insulation Resistanc(Mohms)  100MΩ for 500V 1 min  Dielectric Strength(V)  500V AC for 1 min  LifeTest  5,000 Cycles 

DC POWER JACK(DS-313-A )

DC POWER JACK DS 313 A for electronics applications.

Featuring fine circuitry and active components, this PCB eases power connection and serves as the foundation for a wide range of computing devices. Its resilient double-layering housing further finishes off with flash gold plating to pledge secure applications.

Features:
&bull; Material: FR-4.
&bull; Thin construction.
&bull; Double-layer housing.
&bull; Showcase fine circuitry and active components.
&bull; Ease current flow.
&bull; Pledge secure and long-term applications.
&bull; Serve as the foundation for a wide range of computing devices.
&bull; Layer: 2.
&bull; Thickness: 0.6mm.
&bull; Finishing: flash gold plating.
&bull; Solder mask color: green.

Applications:
&bull; COB PCB.
&bull; Wire bonding PCB.
&bull; Wearable watch PCB.
&bull; Side push PCB.

Rigid PCB

Rigid PCB with fine circuitry and double layer housing

ITEM PERFORMANCE Title TACTSWITCH Model TC-0808 Rating 50mA 12V DC ContactResistance(mohms) 100mΩ max Insulation Resistanc(Mohms) 100mΩ min at 100V DC Dielectric Strength(V) AC 250V for 1 min LifeTest 200,000 Cycles 

TACT SWITCH(TC-0808)

Xinghua City Huayu Electronics Co., Ltd.

This cylindrical buzzer is an audio signaling device coming with an electromagnetic design. It is professionally engineered to ensure reliable performance. This heavy-duty electromagnetic buzzer is widely used in electronics.
 
  Available voltage: 1.5V, 5V and 12V. 
  Resonant frequency: 2,400Hz. 
  Weight: 2g. 
 

Electromagnetic Buzzer

Electromagnetic Buzzer for reliable audio signaling

ITEM  PERFORMANCE  Title  TACT SWITCH  Model TC-0119 250gf   Rating  50mA 12V DC  ContactResistance(mohms)  100mΩ max  Insulation Resistanc(Mohms)  100MΩ min at 500V DC  Dielectric Strength(V)  AC 500V for 1min  LifeTest  60,000 Cycles 

TACT SWITCH (TC-0119)

ABO ELECTRONICS (SHENZHEN) CO LTD

This is a high-density PCB designed for industrial printers. Made with advanced technologies and high-precision equipment, the PCB promises reliable performance with a long life span. The PCB complies to the CE and RoHS standards designed in the manufacturing quality policy and reaches the advanced world level.

 
  Welcome OEM orders. 
  Complying with UL, CE, FCC and RoHS standards. 
 

PCB Assembly for Industrial Printer

Ningbo Jingyi Electronic Co Ltd

This is a PCB mount with a durable plastic structure. It is well designed to promise reliable performance. This piece is manufactured under strict QC to promise quality you can rely on.
 
  Material: plastic. 
  Other designs are available. 
 

PCB Mount

PCB Mount with durable plastic structure and reliable performance

   沉銀工序。   藍牙及免提產品。  

多層電子線路板

Title  VERTICAL SLIDE SWICH  Model SS23E08-NYB5  Rating  0.3A50V DC  Function  2P3T  Timing Non-Shorting  ContactResistance(mohms)  30mΩMax  Insulation Resistanc(Mohms)  100MΩ for 500V 1 min  Dielectric Strength(V)  500V AC for 1 min  LifeTest  10,000 Cycles 

VERTICAL SLIDE SWITCH(SS23E08)

Okystar Technology Co Ltd

Kit ListQty8*8 Dot Led Matrix Module MCU LED Display Control Module MAX72191（Common Cathode）0.56inch single LED segment display10.56inch 4 digital 7 Segment LED Display（Common Cathode）1Resistance 220 Ohms /1K/10K (10pcs/each)30LDR 5516 photoresistor310K Single Union Potentiometer15MM LED DiodeYellow/Green/Red(5pcs/each)15SW-520D ball switch/switch tilt switch2Flame Sensor or 940nm Infrared receiving F5MM1IR Infrared Receiver TL1838 VS1838B 38Khz1Active Buzzer（5V）1Passive buzzer1

Mega 2560 Starter Kit with LED Display Module

ITEM PERFORMANC E Title SLIDE DIP SWITCH Model DIP-143H-01 Rating 100mA 50V DC(NON-SWITCHING)25mA 25V DC (SWITCHING) ContactResistance(mohms) 50mΩ MAXInsulation Resistanc(Mohms) 100MΩMin for 500V DC 1Min Dielectric Strength(V) 500V AC 1Min LifeTest 3,000 Cycles 

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