Optical couplers (63) Standard Clock Oscillators (18) Light-emitting diodes (18) RS232 ICs (15) Analog-to-digital conversion ICs (15) Passive Crystal Oscillators (10) Solid State Relays (10) Interface specialized ICs (9) Power relays (9) Signal switch multiplexer decoder (8) Digital-to-analog conversion ICs (8) Voltage comparators (7) Power monitoring ICs (7) Power Management ICs (PMIC) (6) Tact switches (5) Digital triode (4) ARM Microcontroller - MCU (3) Active filter (3) D-Sub connector accessories (3) Instrument op amps (3) Voltage reference ICs (3) LEDUPS and other types of power modules (3) Signal buffer repeater distributor (2) Connector accessory kits (2) Automotive connectors (2) Memory connectors (2) DC-DC power modules (2) Delay timing relays (2) Wireless transceiver ICs (2) USB connectors (1) Crimp terminals (1) FFCFPC connectors (1) Active Crystal Oscillators (1) High-speed broadband op amps (1) Accessories (1) Development board kit (1) Signal relay (1) Travel switches (1) Electricity meter ICs (1) Multiple Conductor Cables (1) Communication satellite positioning module (1)