



🔌 Power up smartly — tiny module, massive impact!
The DZS Elec Mini USB Buck Voltage Converter is a compact, high-efficiency step-down module that converts a wide DC input range (5-36V) to a stable 5V output at up to 3A. Designed for USB-powered devices and DIY projects, it features built-in protections against over-current, over-temperature, and short circuits, ensuring reliable and safe operation in a miniature form factor.
| ASIN | B071FJVRCT |
| Batteries Included | No |
| Batteries Required | No |
| Brand | DZS ELEC |
| Customer Reviews | 4.4 4.4 out of 5 stars (46) |
| Date First Available | 2 March 2021 |
| Item Weight | 8.97 g |
| Item model number | MID-5V3A-5T36 |
| Manufacturer | DZS Elec |
| Model | MID-5V3A-5T36 |
| Package Dimensions | 7.39 x 6.3 x 1.7 cm; 8.99 g |
K**A
I haven't had a chance to apply this board to my project yet, but I noticed some interesting things about it right out of the box that I thought were worth sharing. Though it can be seen in the pictures if you look carefully, the description does not mention the power indicator LED. I thought this was a neat feature. Another thing that isn't stated in the description is that the board draws ~5 mA without anything plugged into the USB port. Beyond those observations, I just tested that it output 5v, which it did.
W**Y
I received the item to find that things had been hand soldered on and had not been done properly. Usb connector was not soldered in properly (mounting tabs) and there was flux left all over the place. This is the worst quality product I have ever seen. This is getting returned immediately. Not recommended.
R**Y
Used on my 3d printer to power my PI for octoprint. It's does run kinda warm though...
S**N
Nice small step down converter, came in handy for a project. So far it has been holding up food with a 12V supply
A**.
It works since day 1 BUT it draws on a 24volt powersupply only 115mA and on 12v even less, 40mA. That would translate on the output side (if 100% efficiency assumed) only 0,72Amp/0,1Amp vs the advertised 3Amp. Far off, i feel it was wrong advertised and i would not have bought it.
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