Photoelectric switches (22) Analog switch ICs (18) Tact switches (17) Bipolar transistor (triode) (12) CPLD-FPGA ICs (10) Electromechanical and electrical (10) Codec ICs (9) Discharge tubes (8) 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) Real Time Clock ICs (2) Male Pin headers and female headers (2) Wireless transceiver ICs (2) Interface specialized ICs (1) Screwdriver/tweezers/wrench tools (1) Development board kit (1) Signal relay (1) Safety relays (1) LED light guide tube accessories (1)