Level conversion shifter (82) Analog switch ICs (80) Signal switch multiplexer decoder (68) (66) Schottky diodes (56) 74 series logic ICs (26) EMI/RFI Filters (21) I/O expander (19) MOSFET (19) Screwdriver/tweezers/wrench tools (16) D-Sub connector accessories (13) Delay timing relays (12) Light-emitting diodes (8) Interface specialized ICs (7) Relay socket accessories (7) Instrument and equipment and accessories (7) Circuit Protection Kits (6) Buffer driver receiver transceiver (4) Amplifiers (4) Instrument op amps (4) Signal relay (3) TVS diodes (transient voltage suppression diodes) (2) Switching power supply ICs (2) Optical couplers (2) (2) ESD diodes (1) Power monitoring ICs (1) DC-DC power modules (1)