Optical couplers (105) SMD electrolytic capacitors (48) Fixed inductors (47) CPLD-FPGA ICs (45) Specialized sensors (40) Power inductors (32) Light-emitting diodes (28) Bipolar transistor (triode) (26) Thin Film Capacitors (23) MOSFET (21) Circuit breaker (20) Wire accessories (14) (10) Signal relay (9) Laser device accessories (8) Connector accessory kits (7) Circular connectors (7) Speakers (7) Digital triode (7) Screwdriver/tweezers/wrench tools (4) Other modules (4) Electronic wire connection lines (4) IC and device sockets (3) Soldering and desoldering (3) Tapes/Labels (3) Microprocessor - MPU (2) I/O connectors (2) Development board kit (2) Dedicated switches (2) Power connectors (1) Active Crystal Oscillators (1) Accessories (1) Screw fastener hardware (1) Rack cabinet (1) Power Management ICs (PMIC) (1) Tact switches (1) LED light guide tube accessories (1) Data cables and signal cables (1) Instrument and equipment and accessories (1) Antenna (1)