Light-emitting diodes (183) Active Crystal Oscillators (57) IDC connectors (horns) (29) Linear voltage regulator ICs LDO (21) Passive Crystal Oscillators (17) Infrared receivers (17) TVS diodes (transient voltage suppression diodes) (16) LEDUPS and other types of power modules (15) Infrared transmitters (13) Standard Clock Oscillators (12) Rack cabinet (12) Fiber optic transceivers (9) RF coaxial connectors (8) Ambient light sensors (8) Male Pin headers and female headers (7) Optical sensors (7) Power connectors (6) 8-bit Microcontroller - MCU (5) SMD resistors (5) DC-DC ICs (5) Magnetic beads (4) ESD diodes (4) Screwdriver/tweezers/wrench tools (4) Wire accessories (4) CPLD-FPGA ICs (3) Amplifiers (3) SCR (3) Switching power supply ICs (2) LED light guide tube accessories (2) Circuit breaker (2) Wire to Board Connectors/Wire Splice Connectors (1) Plug-in connectors (1) Connector accessory kits (1) Card edge connectors (1) I-shaped inductors (1) Metal film resistors (1) Accessories (1) Power Management ICs (PMIC) (1) Travel switches (1) Tact switches (1) Data cables and signal cables (1)