Isolated AC-DC Buck Power Supply Module 220V to 5V 2A 10W
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Prices updated: 13 Oct 2026
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About this product
An isolated switching power supply module that converts 85–265 V AC mains to a regulated 5 V DC output of up to 2 A (10 W). It is intended for powering microcontroller boards, IoT devices, smart-home electronics and LED drivers, with 3000 V AC isolation between input and output.
Specifications
- Input voltage
- 85–265 V AC or 100–370 V DC / من 85 إلى 265 فولت تيار متردد أو من 100 إلى 370 فولت تيار مستمر
- Output voltage
- 5 V DC / 5 فولت تيار مستمر
- Output current
- 2 A max / 2 أمبير كحد أقصى
- Output power
- 10 W max / 10 واط كحد أقصى
- Isolation voltage
- 3000 V AC or more / 3000 فولت تيار متردد على الأقل
- Efficiency
- 80% or more (typical) / 80% أو أكثر (نموذجي)
- Input frequency
- 47–63 Hz / من 47 إلى 63 هرتز
Frequently asked questions
Is it safe to use on mains without an enclosure?
No. The input carries mains voltage, so mount the module inside an insulated enclosure, keep live terminals covered, and follow your local electrical safety rules.
How do I wire it to my microcontroller board?
Connect the AC line and neutral to the input terminals and check the labels. Take the 5 V and GND outputs to your board's 5V and GND pins. Never feed mains voltage into the board itself.
