Passive electronic components are ones that do not require a source of energy to perform their intended functions

Aluminum Electrolyte capacitors Cooling Fans and blowers 

Website: http://www.jamicon.com.tw/

Carbon Film Resistors, Metal Oxide Resistors, Wire Wound Resistors, Power Inductors

Website: http://token.com.tw/

Aluminum Electrolyte capacitors Cooling Fans and blowers 

Website: https://www.jbcapacitors.com/

Trimmers, Rotary Switches, Digital potentiometer, Attenuators

Website: https://www.nidec-components.com/e/products/index/#