Optical couplers (209) DC-DC power modules (82) Linear voltage regulator ICs LDO (71) ESD diodes (53) LED display modules (41) TVS diodes (transient voltage suppression diodes) (38) Sampling resistors (32) Ultra-fast/fast recovery diodes (17) Connector accessory kits (15) Voltage reference ICs (13) Light-emitting diodes (11) SMD resistors (10) (10) Electromechanical and electrical (10) Schottky diodes (8) Screwdriver/tweezers/wrench tools (6) MOSFET (6) Male Pin headers and female headers (4) Ethernet connectors (4) Carbon film resistors (4) Power Management ICs (PMIC) (4) Development board kit (4) Wireless transceiver ICs (4) RF coaxial connectors (3) Power inductors (3) Gate drivers (3) Accessories (3) Speakers (3) Data cables and signal cables (3) Soldering and desoldering (2) DC-DC ICs (2) Power switch ICs (2) OLED display modules (2) Instrument and equipment and accessories (2) Audio and video connectors (1) Circular connectors (1) Power connectors (1) Metal film resistors (1) Switching diodes (1) LED drivers (1) PCB and other prototype products (1) Wireless modules (1) Tact switches (1) Angle sensors (1) Power chargers (1) Wire accessories (1) Test and measurement (1) RF Attenuators (1)