Active Crystal Oscillators (487) Standard Clock Oscillators (141) Current sensors (85) Light-emitting diodes (31) Passive Crystal Oscillators (28) Backplane connectors (14) Wireless modules (13) EEPROM memory (12) Bipolar transistor (triode) (12) Male Pin headers and female headers (11) TVS diodes (transient voltage suppression diodes) (10) Crimp terminals (9) LEDUPS and other types of power modules (8) Solid State Relays (8) Switching power supply ICs (6) Analog switch ICs (6) Connector accessory kits (5) ESD diodes (4) Linear voltage regulator ICs LDO (4) Other modules (4) MOSFET (4) USB connectors (3) Sampling resistors (3) LAN telecommunication cable test (3) I/O connectors (2) Screwdriver/tweezers/wrench tools (2) Power monitoring ICs (2) LED display modules (2) Full Half-Bridge Drivers (1) Development board kit (1) Fiber optic transceivers (1) PTC resettable fuses (1) Instrument and equipment and accessories (1) Communication satellite positioning module (1)