Digital mode conversion chips (155) (78) The row needles/ row mothers (58) Plug-in connectors (46) Drive chips (40) gate drivers (32) (26) Interface special chips (22) Module conversion chips (21) Instrumentation operational amplifiers (17) (16) Linear voltage stabilization chips LDO (14) RFFETMOSFET (14) Development board kits (13) Electronic wires/connecting lines (13) CPLD-FPGA chips (11) Special switches (9) Full bridge half bridge drivers (7) Connector accessory kits (6) Battery power management chips PMIC (6) Chip resistors (5) (5) (5) Board to Board connector (4) LEDUPS And other types of power supply modules (4) Other modules (4) ARM Microcontroller-MCU (3) Clock timing chips (3) Ferite core and accessories (3) Tape labels (3) Bipolar transistors (triodes) (2) (2) Fence-type wiring terminals (1) circular connectors (1) Metal membrane resistors (1) Switching diodes (1) Amplifiers (1) Screwdrivers/ tweezer/s wrench tools (1) LEDs (1) Silicon control SCR (1) (1)