Description
Overview
Waterproof female DC power jack for DIY builds, available in 5.5×2.1mm, 5.5×2.5mm and 3.5×1.35mm barrel sizes. Sealed construction for panel mounting where the socket is exposed to the elements.
Specifications
- Barrel sizes: 5.5×2.1mm / 5.5×2.5mm / 3.5×1.35mm
- Gender: female DC jack
- Mounting: panel mount
- Protection: waterproof sealed body
- Use: DC power input for DIY projects
Purpose
It gives a DIY build a proper, sealed DC power inlet instead of a bare connector poking through a hole. The waterproof body is the point: on outdoor or vehicle projects, an unsealed jack corrodes and the connection becomes intermittent.
Applications
- DIY electronic projects and enclosures
- Waterproof outdoor equipment
- Vehicle and marine accessory power
- LED and lighting installations
- Portable power boxes
How to Use
- Confirm the barrel size your adaptor uses — 3.5×1.35mm and 5.5mm types are not interchangeable.
- Drill the panel to the jack’s mounting diameter and seat the seal against the surface.
- Solder the leads observing polarity; the centre pin is conventionally positive.
- Tighten the fixing so the seal compresses.
- Check with a meter before powering the device.
Need help specifying this connector?
Use our practical guides for current and wire selection, connector validation and OEM harness drawings.




































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