Wall Power Adapter: 5VDC, 1A, 5.5×2.1mm Barrel Jack, Center-Positive

Pololu item #: 1460 0 in stock

Price break Unit price (US$)
1 5.95
10 5.36
50 4.76

This UL-listed 5 W, “wall wart”-style switching power adapter supplies up to 1 A at a regulated 5 VDC. The AC adapter works with input voltages of 100 – 240 VAC and has a 1.5 m (5 ft) DC power cord that is terminated by a center-positive, 5.5 × 2.1 mm barrel connector.

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This UL-certified AC-to-DC converter gives you an easy way to power your DC electronics project from a US-style AC electrical socket. It uses a switching regulator to efficiently output up to 1 A at a near-constant regulated 5 VDC, even when no load is applied. The DC power cable is 5 ft (1.5 m) long and terminated with a center-positive, 5.5 × 2.1 mm barrel connector that works with the DC power adapter barrel jack as well as the barrel jack on many Arduinos and the BASIC Stamp discovery kit (we recommend the 9VDC 1A version for powering these two particular devices).

We have wall power adapters available in a range of voltages and maximum output currents:

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We currently have two styles of 5VDC 1A power supplies: this unit, which has the power cable exiting from the side so as not to block neighboring outlets, and item #1469, which is lighter and smaller (it does not protrude as far from the wall). The picture below shows the two options side-by-side:

New style of 5VDC 1A wall adapter (item #1469) on the left next to the original style (item #1460) on the right.

People often buy this product together with:

DC Power Adapter Barrel Jack DC Power Adapter Barrel Jack
0.1" (2.54mm) Crimp Connector Housing: 1x2-Pin 25-Pack 0.1" (2.54mm) Crimp Connector Housing: 1x2-Pin 25-Pack
Female Crimp Pins for 0.1" Housings 100-Pack Female Crimp Pins for 0.1" Housings 100-Pack

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Regulators and Power Supplies
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