Electronics

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Electronics Suppliers and Manufacturers

Parts, Components & Raw Materials

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Parts, Components & Raw Materials Suppliers and Manufacturers

Ensure stability and efficiency in your electronic circuits with our high-quality passive components. In 2024, look forward to miniaturized, high-capacity and environmentally friendly options.

Passive Components: Stability and Efficiency

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

New Sky Ind'l Ltd

Magsafe 3 140W Fast Charging Cable Type C, 2M Long for Macbook Models,  Compatible models:  Mac Models MacBook Air (15-inch, M2, 2023) MacBook Air (13-inch, M2, 2022) MacBook Pro (14‑inch, 2023) MacBook Pro (14‑inch, 2021) MacBook Pro (16‑inch, 2023) MacBook Pro (16‑inch, 2021)POWERFULLY FAST CHARGING: Our 140W USB-C to Magnetic 3 Cable is your go-to solution for charging your MacBook Pro with M1 Pro and M1 Max (2021, 14-inch and 16-inch), MacBook Air with M2 (2022), and MacBook Pro with M2 (2023, 14-inch and 16-inch). Supporting up to 140W power delivery, this cable ensures you're powered up quickly and efficiently, with an LED charging indicator to keep you informed.SAFETY FIRST: Your device's safety is paramount. Our charging cable for MacBook comes with built-in overvoltage, overcurrent, and short circuit protection, guarding against potential damage during charging. While using certain power adapters, a slight 15-20 second delay in the charging process might occur due to our magnetic safety mechanism, but rest assured, it's a sign that your laptop is being well-protected.Quality assured for refurb market and new market.               

Magsafe 3 140W Fast Charging Cable Type C, 2M Long for Macbook Models

Apple USB-C Charge Cable, Suitable for Apple or other branding models.OEM Condition, W/O LOGO.2M long.

Apple USB-C Charge Cable 2M

Hong Kong Hoiho Elmatec Technology Limited

Hoiho aims to provide one-stop service from PCB fabrication, components sourcing, assembly and testing services. We are providing a platform to support SMEs, research institutes, start-up companies; from ideas to samples, samples to mass productions, and mass productions to market.                 All enquiries will be handled by our versatile and professional engineers. We believe that interaction between people can help make the products right. There will always be a warm reply and service to you at any time. Computer aided or AI applications are ready to serve your design or fabrication needs.                  

Flexible PCB

Countersink/ counterbore slot Peelable mask Edge plating Mix surface finishing 

Miscellaneous PCB 

Guangdong South HongMing (HK) Electronic Science & Technology Co Ltd

These are piezo elements which include diaphragm, humidifier and ultrasonic transducers. The company also manufactures sound buzzers sensor and alarm components.
    Electronic components for various kinds of electronic devices  Detailed specification available on the company website  

Piezo Elements And Buzzers

These are film capacitors which are made of polyester or polypropylene. Some versions are metallized and/or has a miniature size.
   Polyester film capacitors: for DC and pulsing circuits of radio, TV and so on   Metallised polyester film capacitors: for filter, noise suppression and so on   Miniature-sized metallised polyester film capacitors: with epoxy resin powder coating  

Film Capacitors

This electric buzzer emits a clear and penetrating sound. It can be driven directly by ICs. It boasts low frequency and multi-frequency capability. 	 Excellent workmanship. 	 Reliable performance.  

Electric Buzzer

 Displayed is a piezo buzzer that can emit a clear and penetrating sound. It is well designed and engineered with precision to ensure reliable performance. The buzzer is applicable in a range of electronic systems.    Low or multi frequency design.   Wide applications.   Available in various designs.  

Piezo Buzzer

Metallized Polypropylene Film capacitor High-pressure tolerance, high insulation resistance and low-profile, is suitable for the direct current, impulse and low-power circuits with high temperature.Specification Reference standard : IEC 60384-16, GB 10190Climate category : 40/105/21Rated temperature : 85CelsiusOperation temperature range: -40 ~ 105CelsiusRated voltage : 100Vdc ~ 2000VdcCapacitance range : 0.00047uF ~ 6.8uFCapacitance tolerance : +-5%(J), +-10%(K), +-20%(M) (20Celsius, 1kHz)Voltage proof between terminations : U=1.6UR, 5s (20celsius)Insultation resistance : 100Vdc &lt;=UR&lt;500VdcCR&lt;=0.33uF, IR&gt;=60000MΩ, CR&gt;0.33uF,t&gt;=20000MΩ.uF(20celsius, 100Vdc, 1min)UR&gt;=500VdcCR&lt;=0.33uF , IR&gt;=60000MΩ, CR&gt;0.33uF , t&gt;=20000MΩ.uF(20celsius, 500Vdc, 1min)Dissipation factor:1kHz : &lt;=0.001010kHz : &lt;=0.0020(CR&lt;=1uF) (20celsius)

Metallized Polypropylene Capacitor

Presented here is a ceramic capacitor with a disc-shaped design. It is precisely engineered for excellent performance. This ceramic-disc capacitor is easy to assemble.   Suitable for various electronic devices.   Available in assorted models.  

Ceramic-Disc Capacitor

This is a ceramic disc capacitor with different series available for high or medium voltages. Some of the series has semiconductive materials on the surface layer or barrier layer 
   Electronic components for various kinds of electronic devices   Detailed specification available on the company website  

Ceramic Disc Capacitor

 The ceramic disc capacitor is constructed of alternating layers of metal and ceramic. The ceramic layers act as the dielectric. It can be used in various electronic designs.    Material: ceramic, metal.   Wide applications.   Available in various designs.  

This is a piezoelectric buzzer with a professional design. It is made under strict QC to promise quality you can rely on. This high-precision component is suitable for assorted electrical devices.
 
  Long service life. 
  Other designs are available. 
 

Piezoelectric Buzzer

This is an electromagnetic buzzer with a durable housing. It is finely engineered to ensure superior and dependable performance. The high-quality material promises an extended service life.
 
  Other designs are available. 
  Rugged structure. 
 

Electromagnetic Buzzer

 This varistor is a type of metal-oxide varistor (MOV). The boundary between the zinc oxide grains and the neighboring composition forms a diode junction that allows current to flow from one direction only. The diameter of the varistor is customizable upon requests.  	 Wide applications. 	 Available in various designs.  

Zinc Oxide Varistor

Fast Wireless Charger, or Wireless Fast Charger is our new arrival product.No More Cables just drop and charge, compatible with Qi standard.This offer incl. color box, User Manual, Charging Base and USB Charging Cable.With Charging indicator light.Can pass CE/FCC and RoHS. 

OEM For Fast Wireless Charger Mass Production

 	 Operating temperature: -25~125℃ 	 Capacitance and dissipation factor testing condition: 25℃, 1Vrms, 1KHz 	 Dissipation factor: Y5P Y5U Y5V ≦2.0% YR&nbsp;≦0.3% 	 SL: CR&lt;30pF, Q≧400+20CR; CR≧30pF, Q≧1000 	 Rated Voltage: 1 ~ 15KV 	 Voltage proof: 2UR ; 1.5UR 	 Temperature Characteristic: Y5P, Y5U, Y5V, YR, CO, SL  

High Voltage Ceramic Capacitor

  Metallized Polypropylene Film capacitor   	 High-pressure tolerance, high insulation resistance and low-profile, is suitable for the direct current, impulse and low-power circuits with high tmerperature. 	 SpecificationReference standard : IEC 60384-16, GB 10190 	 Climate category : 40/105/21 	 Rated temperature : 85Celsius 	 Operation temperature range&nbsp;: -40 ~ 105Celsius 	 Rated voltage : 100Vdc ~ 2000Vdc 	 Capacitance range : 0.00047uF ~ 6.8uF 	 Capacitance tolerance : +-5%(J), +-10%(K), +-20%(M) (20Celsius, 1kHz) 	 Voltage proof between terminations : U=1.6UR, 5s (20celsius) 	 Insultation resistance : 100Vdc &lt;=UR&lt;500Vdc&nbsp; 	 CR&lt;=0.33uF, IR&gt;=60000M&Omega;, CR&gt;0.33uF,t&gt;=20000M&Omega;.uF 	 (20celsius, 100Vdc, 1min) 	 UR&gt;=500Vdc 	 CR&lt;=0.33uF , IR&gt;=60000M&Omega;, CR&gt;0.33uF , t&gt;=20000M&Omega;.uF 	 (20celsius, 500Vdc, 1min) 	 Dissipation factor:1kHz : &lt;=0.0010 	 10kHz : &lt;=0.0020 	 (CR&lt;=1uF) (20celsius)  &nbsp;  

Metallized Polypropylene Film Capacitor

 	 Varistor is a sort of sensitive component which resistance value can vary with the applied voltage, it is widely used in the instantaneous overvoltage protection and surge absorption of Electronic-electrical equipment.      Features:     	 Great range of varistor voltage:  18V to 1.8KV  	 Fast response to transient voltage (ns) 	 High great withstanding surge current 	 Excellent non-linearity voltage 	 Symmetric V-I characteristics 	 No following-on current 	 Long life      Range of application:     	 Used in surge protection for IC, transistor, diode semiconductor switch circuit. 	 Used in communication, telemetering, electrical control and various electronic equipment. 	 Suppress the instantaneous overvoltage caused by electromagnetic valve and relay. 	 Supprss the instantaneous overvoltage caused by power supply. 	 Suppress the instantaneous overvoltage caused by electronic circuits 	 Lightning protection for various kind of electronic appliances.      Technical conditions:&nbsp;     	 Carry our standard of GB/T10193, GB/T10194, GB/T10195-1997 and SJ/T10348-10349. 	 Measurement conditions For varistors of 05D, 07D, 10D, 14D, 20D Series, voltage across the varistor measured under 1 m A DC. 	 Varistor voltage: The voltage between two terminals with the specified measuring current applied is expressed by letter V. 	 Maximum continuous operating voltage: The maximum sinusoidal RMS voltage or maximum DC voltage that can be applied continuously in the specified environmental temperature range. 	 Working ambient temperature: -40C ~ +85C&nbsp; 	 Storage temperature range: -40C ~ +125C  

 	 Operating temperature: -25~125℃ 	 Capacitance and dissipation factor testing condition: 25℃, 1Vrms, 1KHz 	 Dissipation factor ≦2.5% 	 Subclass: X1, Y1, Y2 	 Rated Voltage: 250, 400VAC 	 Voltage proof: 1500VAC, 2500VAC, 4000VAC 	 Insulation resistance ≧10000M&Omega; (500VDC) 	 Temperature Characteristic: Y5P, Y5U, Z5U, Y5V 	 Flame retardant epoxy resin: UL94-0 	 Recognized standards: UL, CSA, VDE, SEMKO, KTC, NEMKO, DEMKO, FIMKO, SEV, CQC.  

Safety Ceramic Capacitor with VDC

Power NTC Thermistor has an excellent non-linearity characteristic for the resistance and temperature, its appliance is an easy and effective method to protect electronic device through surge current restraining.

 Feature of Power Thermistor  	 Power NTC thermistors are in small size but with a high power that to restrain the Surge current. 	 Power NTC thermistors possess the electronic character of fast reflection, high reliability and long-life for use. 	 The material has a high constant as &ldquo;B value&rdquo; with small remained resistance. 	 Power NTC thermistors have a large application range integrate products&nbsp; series.   Rage of Application  	 Switch mode power supply,&nbsp; Adapter. 	 Transformer, LED driver circuit. 	 Electronic rectifier, electronic heater. 	 Electric motor. 	 It has a protected function for RT, display, lighting device and circuit of different electronic equipment.   Certificates  	 Safety Approval Certificate: UL / CUL 	 Quality management system Certificates: &nbsp;ISO9001:2008&nbsp; 	 ISO14001:2004   Electrical Characteristics  	 Rated Zero-Power ResistanceRN (&Omega;) : 5&plusmn;20% Ambient temp. Range:25℃&plusmn;2℃(TA).
	Testing voltage: 1.5VDC
	After placing for 1~2 hours under TA, the resistance value shall be measured. 	 Thermal Dissipation Constant &delta;(mW/℃) : &ge;15, The thermal dissipation constant(&delta;) could be calculated by the ratio of a change in power dissipation(&Delta;P) of the thermistor to a change in temperature(&Delta;T) of the thermistor at a specified ambient temperature 	 Thermal Time Constant &tau;(s) : &le;68, The time(&tau; shall be measured within which the temperature change of NTC thermistor is reached at 63.2% of the ambient temperature change under zero power condition 	 Material Constant B : 2700&plusmn;10% B=T1T2/( T2- T1) &times;Ln (R1/R2), R1 , R2 is zero-power resistance at T1 , T2
	T1 = 298.15 K(25℃)&nbsp; T2 = 323.15 K(50℃) 	 Max.Steady State Current (A) : visible mechanical damage.
	&Delta;RN&nbsp;/ RN&nbsp;&le;20% (&Delta;R =∣RN-RN&#39;∣), 25℃&plusmn;2℃Ambient temp. Range, 5.0A&nbsp; Testing Current  

NTC 5D

 	 Applications to small sized electronic products:&nbsp; 	 This series is designed for easy handling, available with variety of adjustments method 	 Wide mounting sizes and types of adjustments available 	 Capacity ranges from 1.5 to 120pF 	 Sturdy mechanical structure against vibration of shock  

Trimmer Capacitor

This is a buzzer chip in a round shape. It is professionally designed to ensure excellent performance. This component is manufactured through very strict QC to promise reliability.
 
  Long service life. 
  Other designs are available. 
 

Buzzer Chip

Salecom Electronics Co., Ltd

Dip Switch - SMTDM, DMRIC type Dip Switches SMT type with low profile and No. of position 1 ~ 12. Gold contact for high reliability. Top tape type for washing process. This switch is perfect for Industrial control, Instrumentation, Security equipment, Amplifier audio. SpecificationContact Rating:25mA @24 VDC (switching Rating)100mA @50VDC (non-switching Rating)Electrical Life: 2000 operations min. @ 24VDC, 25mAContact Resistance: 50 mΩ min. initialInsulation Resistance: 100 MΩ min.Dielectric Strength: 500 V AC /1 min. at 500VDCOperation Force: 1000 gf maxStorage Temperature: -40°C to 85°CCircuit: SPSTMaterialsCOVER: UL94V-0 PPS, Thermoplastic (Black)CASE: UL94V-0 PPS, Thermoplastic (Black)ACTUATOR: UL94V-0 Nylon, Thermoplastic (white)CONTACT PLATING: Gold plating over nickelTERMINAL PLATING: Gold platedApplicationIndustrial controlInstrumentationSecurity equipmentAmplifier audioTelecommunicationGarage door openerController application

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