Photoelectric switches (24) Tact switches (18) CPLD-FPGA ICs (16) Analog switch ICs (15) Bipolar transistor (triode) (14) Discharge tubes (12) Codec ICs (10) Electromechanical and electrical (9) LEDUPS and other types of power modules (8) Power transformers (8) Linear voltage regulator ICs LDO (7) Voltage reference ICs (6) Ferrite Cores and Accessories (5) Screw fastener hardware (5) Image sensors (5) Male Pin headers and female headers (2) Screwdriver/tweezers/wrench tools (2) Wireless transceiver ICs (2) Real Time Clock ICs (1) Interface specialized ICs (1) Development board kit (1) Signal relay (1) Safety relays (1) LED light guide tube accessories (1)