... , Beads, Optical couplers, Relay, Fuse,Diodes, Discharge, Quartz crystal Devices, Speaker, Buzzer, Optoelectronics/Fiber, Laser, Transistor,Trimmer potentiometers ... , FET(module), inductors, Fixed resistors, Swith, Crystal, Potentiometers and so on,which are widely used in ... mounted in printed circuits board and then pulled out.5. Sixty (60) days warranty is guaranteed for the ...