Optical couplers (52) Light-emitting diodes (21) Analog-to-digital conversion ICs (20) Standard Clock Oscillators (18) RS232 ICs (17) Signal switch multiplexer decoder (13) Interface specialized ICs (11) Power monitoring ICs (11) Passive Crystal Oscillators (10) Voltage comparators (8) Power Management ICs (PMIC) (8) Solid State Relays (8) Digital-to-analog conversion ICs (8) Power relays (6) LEDUPS and other types of power modules (5) Tact switches (5) Digital triode (5) Active filter (4) ARM Microcontroller - MCU (3) Voltage reference ICs (3) Data cables and signal cables (3) Multiple Conductor Cables (3) Wireless transceiver ICs (3) Signal buffer repeater distributor (2) D-Sub connector accessories (2) Connector accessory kits (2) Automotive connectors (2) Memory connectors (2) ESD diodes (2) High-speed broadband op amps (2) Instrument op amps (2) DC-DC power modules (2) Development board kit (2) Delay timing relays (2) Communication satellite positioning module (2) Microprocessor - MPU (1) Digital Signal Processors and Controllers (1) USB connectors (1) Crimp terminals (1) FFCFPC connectors (1) Active Crystal Oscillators (1) Accessories (1) Signal relay (1) Travel switches (1) Toggle switch (1) LCD display modules (1) Electricity meter ICs (1) Bipolar transistor (triode) (1)