Components Sourcing

Electronic Components Sourcing
At Mars PCB, we recognize the importance of sourcing high-quality electronic components to ensure the excellence of your PCB assemblies. With over 15 years of industry experience, our dedicated sourcing team leverages a global network to obtain the best components at competitive prices, helping you optimize your manufacturing costs.
Why Source Electronic Components from Mars PCB
Mars PCB is a trusted PCB assembly manufacturer based in Shenzhen, China. Our extensive range of services includes sourcing a wide variety of electronic components essential for your projects. From rigid and flexible PCBs to high-density interconnects and embedded solutions, we ensure that every component meets our stringent quality standards.
As a reliable partner for OEMs, OBMs, EMS providers, and design houses, Mars PCB is committed to expanding our component sourcing capabilities. We provide comprehensive supply chain solutions tailored to your specific needs, ensuring seamless integration of components into your PCB assemblies.
Our expertise covers multiple industries, including automotive, medical, communication, industrial automation, and consumer electronics. Whether you require small-batch prototypes or large-scale production runs, Mars PCB is equipped to source the right components with precision and efficiency.

With decades of experience in the PCB industry, Mars PCB has established strong relationships with top-tier component suppliers and manufacturers. This ensures that we can provide reliable and high-quality electronic components to support your PCB assembly projects both locally and internationally.
We guarantee the authenticity and quality of all sourced components through our partnerships with reputable manufacturers. Mars PCB’s competitive pricing strategy ensures you receive exceptional value without compromising on the reliability and performance of your PCBs.
Mars PCB collaborates with leading global suppliers to offer a wide variety of electronic components, including ICs, memory chips, diodes, transistors, capacitors, resistors, connectors, and more. Our diverse component range caters to various applications, ensuring that you find the perfect parts for your PCB assemblies.
Our robust logistics network ensures timely delivery of sourced components, maintaining optimal inventory levels to meet your project deadlines. Mars PCB employs strict quality control measures to verify the authenticity and reliability of all components before they are integrated into your PCBs.
Mars PCB is dedicated to providing exceptional customer service backed by extensive industry knowledge. Our experienced team is always ready to assist you with your component sourcing needs, offering timely and cost-effective solutions tailored to your requirements.
Our full supply chain management system ensures that every sourced component undergoes rigorous testing and inspection. Mars PCB maintains traceability and reliability throughout the sourcing process, giving you confidence in the quality of your PCB assemblies.
Common Electronic Components We Source
Mars PCB offers a wide range of electronic components to suit various applications. Below are some of the common components we source: Resistors, Capacitors, Inductors, Potentiometers, Diodes, Transistors, Integrated Circuits (ICs), Quartz Crystals and Oscillators, Connectors, Switches, Relays, Optoelectronic Devices, Sensors, Power Supplies, Micro Motors, Electronic Transformers, Fuses, Heat Sinks, Optocouplers, and more.
- Resistors:We source fixed, variable, and metal film resistors to meet your design specifications.
- Capacitors:Our range includes ceramic, electrolytic, and tantalum capacitors for various applications.
- Inductors:We provide iron core, air core, and RF inductors suitable for high-performance PCBs.
- Diodes:From small signal diodes to LEDs and Zener diodes, we source a variety of diodes for your needs.
- Switches:Our range includes tactile, DIP, and slide switches for various applications.
- Transistors:We offer BJTs, MOSFETs, and IGBTs to ensure optimal performance of your electronic circuits.
- Integrated Circuits:Our selection includes op-amps, microcontrollers, ADCs, DACs, and more for versatile applications.
- Quartz Crystals and Oscillators:Provide precise clock signals essential for your PCB operations.
- Connectors:We source board-to-board, board-to-cable, and I/O connectors for reliable connectivity.
- Optocouplers:Isolate high voltage systems to protect your circuits.
- Relays:We provide both electromechanical and solid-state relays for efficient circuit protection.
- VOptoelectronic Devices:From photodiodes to laser diodes, we source optoelectronic components for advanced applications.
- Sensors:We offer temperature, pressure, flow, and optical sensors to enhance your PCB functionality.
- Diodes:From small signal diodes to LEDs and Zener diodes, we source a variety of diodes for your needs.
- Potentiometers:Provide adjustable voltage division for precise control in your circuits.
- Electronic Transformers:We source step-up, step-down, and isolation transformers for efficient power management.
- Passive Components:We source resistor networks, capacitor banks, and other passive components to support your PCB designs.
- Fuses:Ensure circuit protection with our reliable fuses.
- Heat Sinks:Dissipate heat effectively to maintain component performance and longevity.
Electronic Component Standards
At Mars PCB, we adhere to strict standards to ensure the quality and reliability of all sourced components.
Our commitment to excellence is reflected in our compliance with various industry standards:


International Standards (IEC, ISO):Compliance with IEC 60068 and ISO 9001 ensures consistent quality and environmental reliability.
Military Standards (MIL-STD): Adherence to MIL-STD-883 for rigorous testing of electronic components.
Industrial Standards (IPC, JIS): Following IPC-A-610 for assembly quality and IPC-7351 for electronic packaging standards.
Manufacturing Standards (J-STD):Implementing J-STD-001 for soldering and component handling to maintain high manufacturing standards.
Material Standards:Using approved materials that meet performance and durability requirements.
Component Datasheets:Detailed documentation for all components to ensure specifications are met.
National Standards (GB, ASTM): Compliance with local standards to cater to regional market requirements.
Industry Standards (JEDEC, CECC): Meeting specific standards for semiconductor and electronic components.
Professional PCB & PCB Assembly Manufacturer & Factory
From concept to completion, your project will be under experienced project management, sparing you the hassle of untimely conference calls, communication gaps, language barriers and “real time” information gathering.