The following links are our friend businesses`, the big brands in their markets, please check those websites, if you are interested in anything similar in those website, we are happy to offer ours as an equivalent but more cost-effective substitution.
Semiconductors:
http://www.westcode.com/
http://www.ixys.com/
https://www.infineon.com/
https://new.abb.com/semiconductors
https://www.dynexsemi.com/
https://www.pwrx.com/
https://www.onsemi.cn/PowerSolutions/home.do
https://www.romanmfg.com/
https://www.tech-sem.com/
https://www.microsemi.com/
https://www.vishay.com/modules/diode-modules/sot-227/
https://www.st.com/en/thyristors-scr-and-ac-switches.html
https://www.littelfuse.com/products.aspx
www.sanrex.com
Capacitors:
www.ducatienergia.com
https://www.vishay.com/search?searchChoice=part&query=medium+frequency+capacitor
Resistors:
https://tyohm.com.tw/product.php?lang=en&tb=1&cid=18
Semiconductor Fuse:
https://bussmannpower.com/news/bussmann_fuse_catalog-cn.html
https://www.eaton.com/us/en-us/products/electrical-circuit-protection/fuses-and-fuse-holders.html
www.bussmannasia.com/