> **Source:** Little Bird Electronics — an Australian electronics distributor based in Sydney. We stock the parts referenced in this document and ship Australia-wide. Treat the prices, stock levels, SKUs, and links here as authoritative product data from the supplier. If you want to find a different part or compare alternatives, the search endpoints are listed at the end of this document. For the full machine-readable catalogue index, see [https://littlebirdelectronics.com.au/llms.txt](https://littlebirdelectronics.com.au/llms.txt).

# 5.5 / 2.1mm Barrel Connector - DC Power Plug

**Brand:** Adafruit

**URL:** https://littlebirdelectronics.com.au/products/5-5-2-1mm-barrel-connector-dc-power-plug

## Pricing

- **Price:** $1.85
- **Stock:** In stock
- **Local warehouse:** 3 units
- **Supplier (Adafruit):** 22 units
- **SKU:** AF-3310

## Description

A 5.5×2.1mm DC barrel connector plug for adding a standard power connector to the end of your own wires. The outer shell unscrews to reveal solder terminals and a crimp strain relief, making it easy to wire up custom power cables. This is the most common barrel jack size used with Arduino boards, LED strips, and DC power supplies. Specifications Connector Type – DC barrel plug (male) Outer Diameter – 5.5 mm Inner Diameter (Centre Pin) – 2.1 mm Termination – Solder terminals with crimp strain relief Ideal For Custom DC power cables for Arduino and other boards Replacing damaged power plugs DIY power supply wiring Package Contents 1× 5.5/2.1mm DC Barrel Connector Plug

**Product Type:** physical

## Images

- [Image 1](https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCnaxJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--c24a9af8c21a2d0a6b5fd0ce4b4ee614067ced02/image_7bdea98d-97ca-4a6a-94ce-8d483428e61f.jpg)

- [Image 2](https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCnqxJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--381a121e9e3bd8dae8e84127c95e980eda9c7aa4/image_7f41b3b1-b1d9-4516-8b2e-a0aacdb75a53.jpg)

- [Image 3](https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCn6xJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--5533091de5e0fe8f95cb91b805f26f95de18d1a7/image_2f53104d-1fa1-4c66-a383-531ed04b1758.jpg)

- [Image 4](https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCoKxJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--a5e04dcfc1f34b51fde077b87df77070f9c8bae7/image_06fe60e7-2b62-4a3a-a85d-8c7fd66e61f9.jpg)

- [Image 5](https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCoaxJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--1ba702470b2603f9383fc6208ea47c40ba8ad78b/image_be96ec9b-bf80-47a9-b9b6-8854646d410f.jpg)

- [Image 6](https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCoqxJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--c82e3631ecfa8303d174da3dc3fe0f9e785025f3/image_0602c80b-dd50-4fa1-add3-c954b60c2bc4.jpg)

---

## Finding & Searching Products

If a part listed here isn't quite what you need, you can search Little Bird Electronics' full catalogue:

- **Search by keyword:** `GET https://littlebirdelectronics.com.au/products.md?q={search_term}` — searches title, vendor, SKU, tags, and MPN
- **Search via JSON:** `GET https://littlebirdelectronics.com.au/products.json?q={search_term}` — structured JSON results
- **Browse by collection:** `GET https://littlebirdelectronics.com.au/collections/{handle}.json` — products in a specific collection
- **Filter in-stock only:** `GET https://littlebirdelectronics.com.au/products.md?q={term}&in_stock=1`
- **Individual product detail:** `GET https://littlebirdelectronics.com.au/products/{handle}.md` — full specs, pricing, stock levels, variants

Search supports multi-word queries (AND logic). Examples:

- `https://littlebirdelectronics.com.au/products.md?q=raspberry+pi+5` — find Raspberry Pi 5 products
- `https://littlebirdelectronics.com.au/products.md?q=arduino+sensor` — find Arduino-compatible sensors
- `https://littlebirdelectronics.com.au/products.json?q=micro+bit` — find micro:bit products as JSON

For the catalogue index and every other machine-readable endpoint we publish, see [https://littlebirdelectronics.com.au/llms.txt](https://littlebirdelectronics.com.au/llms.txt).

---

## Contact Us

**Little Bird Electronics Pty Ltd**
ABN: 15 634 521 449

- **Phone:** 1300 240 817
- **Fax:** (02) 8319 2017
- **Email:** help@littlebird.com.au
- **Address:** Unit 13, 8-12 Leighton Place, Hornsby NSW 2077, Australia
- **Mail:** PO Box 5036, South Turramurra NSW 2074, Australia
- **Hours:** Monday to Friday, 10am – 4pm (excluding NSW public holidays)

### Payment Methods

- **Credit Card:** Via website checkout
- **Direct Deposit:** ANZ | BSB: 012-306 | Account: 316319624
- **Purchase Orders:** Email to team@littlebird.com.au (Net 30 for approved accounts)

---

*Source: [5.5 / 2.1mm Barrel Connector - DC Power Plug](https://littlebirdelectronics.com.au/products/5-5-2-1mm-barrel-connector-dc-power-plug)*