Passive Crystal Oscillators (355) Sensor interface ICs (69) SMD capacitors (49) Tantalum capacitors (47) Soldering and desoldering (40) Signal relay (34) Direct-insert electrolytic capacitors (23) Fuse tubes (19) Level conversion shifter (18) Toggle switch (16) Active Crystal Oscillators (14) Specialty fuses (11) General-purpose diodes (10) High frequency RF relays (10) LED digital tubes (10) Specialized logic ICs (8) Screwdriver/tweezers/wrench tools (7) Instrument op amps (6) Electronic wire connection lines (6) Touch screen controllers (5) Bipolar transistor (triode) (5) Connector accessory kits (4) Safety relays (4) Industrial and electrical fuses (4) Instrument and equipment and accessories (4) EMI/RFI Filters (3) Full Half-Bridge Drivers (3) Power Management ICs (PMIC) (3) LEDUPS and other types of power modules (3) Development board kit (3) Industrial relays (3) Light-emitting diodes (3) Specialized sensors (3) Analog-to-digital conversion ICs (3) Digital-to-analog conversion ICs (3) Analog switch ICs (3) SMD electrolytic capacitors (2) Amplifiers (2) Switching power supply ICs (2) AC-DC power modules (2) Sensor modules (2) (2) SDMicro-SDT-Flash card (1) Alligator clips/test clips (1) Tapes/Labels (1) Linear voltage regulator ICs LDO (1) Power switch ICs (1)