DC-DC ICs (55) Passive Crystal Oscillators (39) Board-to-board connectors (30) Switching power supply ICs (12) USB connectors (8) EEPROM memory (5) Power connectors (4) Rack cabinet (4) D-Sub connector accessories (3) Clock/Timing ICs (2) SDRAM memory (2) Supercapacitors (2) Development board kit (2) WiFi IoT modules (2) Battery holder/Clip accessories (2) Circuit breaker (2) Connector accessory kits (1) Electronic accessories (1) Screwdriver/tweezers/wrench tools (1) Network port transformers (1)