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DC Power Plug Connector for DIY DC Waterproof Jack Connector 5.5 X 2.1 Mm, 5.5 X 2.5 Mm, 3.5 Mm X 1.35 Mm Female DC Jac

DC Power Plug Connector for DIY DC Waterproof Jack Connector 5.5 X 2.1 Mm, 5.5 X 2.5 Mm, 3.5 Mm X 1.35 Mm Female DC Jac

Price range: $0.10 through $0.15

Wholesale pricing up to 10% off

Minimum order quantity: 500 pcs

Waterproof female DC power jack in 5.5×2.1mm, 5.5×2.5mm and 3.5×1.35mm. Sealed panel-mount inlet for DIY and outdoor builds.

Product overview

Product type
Configurable product with multiple options
Minimum order
500 pcs
Volume pricing
1000+ pcs: 10% off
Options
Model: 5.5 - 2.5 mm, 5.5 - 2.1 mm, 3.5 - 1.35mm
Customization
OEM/ODM, custom length, connector, colour and packing
Payment
T/T bank transfer; card payments where available
Shipping
DHL, FedEx, UPS or freight forwarder from China
Duties & import taxes are prepaid at checkout — no extra charges on delivery.
SKU: N/A Category: Brand:

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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

  1. Confirm the barrel size your adaptor uses — 3.5×1.35mm and 5.5mm types are not interchangeable.
  2. Drill the panel to the jack’s mounting diameter and seat the seal against the surface.
  3. Solder the leads observing polarity; the centre pin is conventionally positive.
  4. Tighten the fixing so the seal compresses.
  5. 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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Additional information

Weight N/A
Dimensions N/A
Model

5.5 – 2.5 mm, 5.5 – 2.1 mm, 3.5 – 1.35mm

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Buying FAQ

What is the minimum order quantity?

The minimum order quantity is 500 pcs.

How does tiered pricing work?

The unit price is adjusted automatically by quantity: from 1000 pcs: 10% off. The final price is confirmed in the quotation.

Can you customize this product?

Yes. We support OEM/ODM, custom wire length, connector type, colour, packing and cable assemblies. Send a drawing, sample or photo for evaluation.

How do I request a quotation?

Use the quote form on this page, WhatsApp +86 15521787718, WeChat yieying_01 or email 298273997@qq.com. We reply within one business day.

What payment methods do you accept?

We accept T/T bank transfer. Card or local payment methods may be available through our payment partner, subject to the destination and order value.

What is the lead time?

Lead time is confirmed in the quotation. For custom or OEM orders, we normally approve a sample before bulk production.

Need help with returns, warranty or spare parts? Read our After-Sales Service

Request a Quote

Fill in the form below and we will reply within 1 business day. You can also reach us on WhatsApp: +86 15521787718

Prices are shown in USD, converted from CNY at 1 CNY = 0.1496 USD (rate updated 2026-11-15 07:56)