Description
Panel DC power socket for supplying DC voltage to devices. The 3.5×1.35 mm variant is suitable for compact power adapters and applications with lower current consumption, where panel mounting and wire connection using solder terminals is required.
Technical specifications
Connector type: DC power socket (female), panel mount
Connector size: 3.5 × 1.35 mm
Model number: DC-220B
Rated voltage: 30 V DC
Rated current: 0.5 A
Mounting thread: M8.0 × 0.75
Dielectric strength: AC 50 V (50 Hz), 1 minute
Contact resistance: 0.03
Insulation resistance: 100 M
Lifespan: 5000 cycles
Operating temperature: -30°C to +70°C
Functions and features
Panel mounting with thread and nut for mechanically stable mounting
Solder terminals for connecting wires or cabling inside the device
Compact design suitable for smaller devices and power inputs
Ideal for
Power inputs for small electronic devices
DIY electronics, prototypes and service repairs
Panel grommets for DC power supply in low voltage switchboards and cabinets
Package contents
1× panel DC socket 3.5 × 1.35 mm + fixing nut
Why choose this product?
Standardized size 3.5 × 1.35 mm for compatibility with corresponding DC plugs
Panel mount with M8.0 × 0.75 thread for fixed mounting
Installation and operating instructions
Before installation, verify the size of the mating piece (DC plug) 3.5 × 1.35 mm and mechanical compatibility with the panel.
When soldering the terminals, choose the procedure and temperature so as not to damage the connector insulator.
After installation, check the tightening of the nut and the strain relief of the wiring.
Safety notice
The product is designed for DC power supply within the limits of the rated voltage and current; exceeding the parameters may lead to overheating or failure.
Perform the installation with the power supply disconnected and after connection, verify the polarity and correct function of the entire assembly.






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