Common Mode Choke Filters (147) LEDUPS and other types of power modules (103) Analog-to-digital conversion ICs (34) RS485RS422 ICs (31) RS232 ICs (30) USB connectors (14) Connector accessory kits (10) Serial interface ICs (9) Circular connectors (8) Sampling resistors (8) CPLD-FPGA ICs (7) EEPROM memory (7) Interface specialized ICs (7) LVDS ICs (6) Screw fastener hardware (6) Switching power supply ICs (4) Photoelectric switches (4) Electromechanical and electrical (4) EMI/RFI Filters (3) TVS diodes (transient voltage suppression diodes) (3) Instrument and equipment and accessories (3) Signal switch multiplexer decoder (2) Plug-in connectors (2) SMD resistors (2) Accessories (2) Development board kit (2) Wireless modules (2) Other modules (2) Tact switches (2) Multiple Conductor Cables (2) I/O expander (1) Telecommunication (1) Soldering and desoldering (1) Screwdriver/tweezers/wrench tools (1) Digital-to-analog conversion ICs (1) Wireless transceiver ICs (1) Antenna (1)