About Usun
We keep more than 100 thousands Electronic parts in warehouse,it could cut lead time of most items.
Experienced technological support team.90days warranty for all the goods from us.Risk-free guarantee,60 days refund.If the item you purchase from our store are not of perfected quality,simply return them to us for replacement or refund.OWN STOCK
LARGE STOCK
GUARANTEE QUALITY
COMPETITIVE PRICE
Independent and professional components sourcing team, strict supplier certification, global sourcing network throughout China, USA and Japan, perfect incoming inspection, quality control; anti-static, temperature and humidity controlled warehouse management, To provide more convenient service for customers on assembly and components sourcing.

What we have in Stock ?
Active components:
1) Integrated Circuits (Some China Brand and some
original brand like STM MCU,parts from ON and
so on).
2) Diode
3) Transistor
Passive compents :
1) Resistor (All SMD and Through hole type)
2) Capactior (All SMD and Through Hole type)
3) Connector,Terminals,IC socket ,Tact Switch
and so on...
IGBT Module hot offer also :
We major in parts sourcing for those manufactuer
and trader,to make you easier and save time ,save
money !

Q: Is your parts new and original ?A : Yes ! Our parts could accept any kinds of testing , All our products are 100% new and original. If there is any quality problem we
will take responsible.Q: What is your warranty ?A:
Our warranty is 90 days after receiving payment, you could ask full refund if any quality issue occurs in 90 days.Q: May I have sample for testing ?A: yes ! Only to pay shipping cost ,free samples could be sent for testing.Q: What is the lead time?A: -
Sample order: 1-2 business days after receiving full payment;
- Stock order: 2-3 business days after receiving full payment.