Optical couplers (34) FFCFPC connectors (31) Active Crystal Oscillators (14) TVS diodes (transient voltage suppression diodes) (12) Digital Signal Processors and Controllers (10) Light-emitting diodes (8) Analog switch ICs (8) Wire to Board Connectors/Wire Splice Connectors (7) MOSFET (6) Latches (4) Power monitoring ICs (4) Clock/Timing ICs (3) Buffer driver receiver transceiver (3) Tantalum capacitors (3) RF Switches (3) CPLD-FPGA ICs (2) Clock Buffers, Drivers (2) Interface specialized ICs (2) D-Sub connector accessories (2) Special function amplifiers (2) Power Management ICs (PMIC) (2) Fiber optic transceivers (2) Bipolar transistor (triode) (2) MCU monitoring ICs (1) Real Time Clock ICs (1) Serial interface ICs (1) Linear voltage regulator ICs LDO (1) Automotive relays (1) Infrared transmitters (1) Batteries (1) Junction field effect transistor (JFET) (1)