Wall Power Adapter: 5VDC, 3A, 5.5×2.1mm Barrel Jack, Center-Positive

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Pololu item #: 1461
Brand: Generic
Status: Discontinued 
RoHS 3 compliant


This UL-listed 15 W, “wall wart”-style switching power adapter supplies up to 3 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.

Alternatives available with variations in these parameter(s): voltage maximum output current Select variant…

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Wall power adapter: 5VDC, 3A, 5.5×2.1mm barrel jack, center-positive.




Details for item #1461

This UL-certified (file number EPBU.E477038) 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 3 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 and the DC barrel jack to terminal block adapter.

Full selection of power adapters

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

Product Connector Output voltage Typical max output current Wattage Power brick? Price
#1469 center-positive
5.5×2.1
barrel jack
5 V 1 A 5 W $6.95
#1461 3 A 15 W $11.95
#1470 9 V 1 A 9 W $7.49
#1465 5 A 45 W yes $24.95
#1471 12 V 1 A 12 W $7.95
#1774 3 A 36 W $14.95
#1468 5 A 60 W yes $27.95
#1773 USB micro-B 5.15 V 2.5 A 12.9 W $9.95

General specifications

Maximum output current: 3 A
Voltage: 5 V

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