Common Mode Choke Filters (145) LEDUPS and other types of power modules (106) Analog-to-digital conversion ICs (34) RS485RS422 ICs (30) RS232 ICs (29) USB connectors (15) Connector accessory kits (10) Serial interface ICs (9) Circular connectors (9) LVDS ICs (8) Sampling resistors (8) CPLD-FPGA ICs (7) Interface specialized ICs (7) TVS diodes (transient voltage suppression diodes) (6) Electromechanical and electrical (6) EEPROM memory (5) Screw fastener hardware (5) Switching power supply ICs (4) Photoelectric switches (4) EMI/RFI Filters (3) Other modules (3) Instrument and equipment and accessories (3) Signal switch multiplexer decoder (2) Plug-in connectors (2) SMD resistors (2) Development board kit (2) Wireless modules (2) Multiple Conductor Cables (2) Clock Generators, Frequency Synthesizers (1) I/O expander (1) Telecommunication (1) Soldering and desoldering (1) Accessories (1) Tact switches (1) Digital-to-analog conversion ICs (1) Wireless transceiver ICs (1) Antenna (1)