Board-to-board connectors (1141) Direct-insert electrolytic capacitors (101) (24) Aluminum Electrolytic Capacitors (22) Plug-in connectors (12) Development board kit (9) Rack cabinet (8) Switching diodes (6) Instrument and equipment and accessories (6) CPLD-FPGA ICs (4) PTC resettable fuses (4) SDRAM memory (2) Connector accessory kits (2) Screw fastener hardware (2) Other modules (2) Other processors (1) Screwdriver/tweezers/wrench tools (1) Magnetic sensors (1) Communication satellite positioning module (1)