SMD resistors (401) FFCFPC connectors (307) DC-DC ICs (109) Bipolar transistor (triode) (87) Temperature sensors (51) Light-emitting diodes (49) MOSFET (47) Optical couplers (34) Board-to-board connectors (33) Audio and signal transformers (24) Amplifiers (23) 8-bit Microcontroller - MCU (20) Sampling resistors (17) CPLD-FPGA ICs (13) Connector accessory kits (12) SMD capacitors (10) Pulse transformers (10) Development board kit (8) Level conversion shifter (6) Voltage comparators (6) RS232 ICs (4) LEDUPS and other types of power modules (4) Dedicated switches (3) Circular connectors (2) Travel switches (2) Rotary coding switches (2) Controller (1) Interface specialized ICs (1) Common Mode Choke Filters (1) Schottky diodes (1) Coaxial Cables (1) Junction field effect transistor (JFET) (1) Multimeter and voltmeter (1) Instrument and equipment and accessories (1)