Wall Adapter Power Supply - 5V DC 2A (USB Micro-B)

Sparkfun ElectronicsSKU: RB-Spa-1033
Manufacturer #: TOL-15311

Price  :
Sale price $6.50

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Stock  :
Only 1 unit left

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Description

  • Input: 100-240VAC, 50-60Hz
  • Output: 5VDC, 2000mA
  • Canada/America
  • USB Micro-B output

The Wall Adapter Power Supply - 5V DC 2A (USB Micro-B)  allows you to power your circuits with 5V, 2A(max) uninterrupted power. The slim design includes a power LED. The output is a USB Micro-B connector .

Customer Reviews

Based on 7 reviews
57%
(4)
29%
(2)
14%
(1)
0%
(0)
0%
(0)
B
B
High-pitch switching noise

As others have mentioned there is a high pitch noise from the internal switcher. It only seems to show up when there's no load. Under load you hear nothing

c
cl
high quality

this is a nice high quality power supply that I am using to power my banana pro

D
Dave
Dependable

No problems with the power supply.

D
Dave
Works well.

Used this to power a Banana Pi Pro and 3.5" hard drive NAS. Works well.

J
Jeffrey
High-pitch switching noise

Disappointed that you can often hear a high-pitch noise caused by the switching circuit; it changes depending on what load or if no load is connected. Noticed this with both units I bought. Probably okay if you want to use it to constantly power a device like a Raspberry Pi, or if you're going to unplug it when not in use, but not really suitable if you're going to be using it to charge your phone and want to leave it otherwise connected to the wall...

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