Bipolar transistor (triode) (141) Voltage reference ICs (130) Data cables and signal cables (101) DC-DC power modules (50) Circular connectors (37) Ethernet ICs (36) Interface specialized ICs (31) Light-emitting diodes (26) Controller (21) Common Mode Choke Filters (21) Wire accessories (20) Instrument op amps (17) Fuse holder clip (14) Resistors (13) Schottky diodes (11) CPLD-FPGA ICs (9) Analog-to-digital conversion ICs (7) Power chargers (7) EEPROM memory (6) Magnetic beads (6) Male Pin headers and female headers (6) LEDUPS and other types of power modules (5) Other modules (5) D-Sub connector accessories (4) Screwdriver/tweezers/wrench tools (4) AC-DC power modules (4) Electronic wire connection lines (4) Signal switch multiplexer decoder (3) Specialized logic ICs (3) Development board kit (3) Wireless transceiver ICs (3) Feed-through capacitors (2) Plug-in connectors (2) Active Crystal Oscillators (2) WiFi IoT modules (2) Boat switches (2) Dedicated switches (2) Pressure sensors (2) Digital Signal Processors and Controllers (1) SDRAM memory (1) DDRSSD memory (1) Electronic accessories (1) Switching power supply ICs (1) DC-DC ICs (1) Wireless modules (1) Digital-to-analog conversion ICs (1)