---
product_id: 258927953
title: "2pcs B1205S-1WR2 B1205S DC/DC Converter Input 12V Output 5V Isolation Power Supply Module Step Down High Efficiency Module Receivers，1W"
brand: "bridgold"
price: "€ 9.81"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/258927953-2pcs-b1205s-1wr2-b1205s-dc-dc-converter-input-12v-output
store_origin: IE
region: Ireland
---

# 80% Efficiency 1.5K VDC Isolation -40℃ to +105℃ 2pcs B1205S-1WR2 B1205S DC/DC Converter Input 12V Output 5V Isolation Power Supply Module Step Down High Efficiency Module Receivers，1W

**Brand:** bridgold
**Price:** € 9.81
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Your Potential with Precision!

## Quick Answers

- **What is this?** 2pcs B1205S-1WR2 B1205S DC/DC Converter Input 12V Output 5V Isolation Power Supply Module Step Down High Efficiency Module Receivers，1W by bridgold
- **How much does it cost?** € 9.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/258927953-2pcs-b1205s-1wr2-b1205s-dc-dc-converter-input-12v-output)

## Best For

- bridgold enthusiasts

## Why This Product

- Trusted bridgold brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Equipped with built-in output short-circuit protection for peace of mind.
- • **Built to Last:** Operates seamlessly in extreme temperatures from -40℃ to +105℃.
- • **Compact Powerhouse:** Perfect for various applications, ensuring reliable power delivery.
- • **Power Up Your Projects:** Experience high efficiency with up to 80% performance.
- • **Universal Compatibility:** Designed with international standard pin-out for easy integration.

## Overview

The 2pcs B1205S-1WR2 B1205S DC/DC Converter is a high-efficiency power supply module that steps down 12V to 5V with an impressive 80% efficiency. It features a robust operating temperature range of -40℃ to +105℃, ensuring reliability in diverse environments. With a 1.5K VDC isolation voltage and built-in short-circuit protection, this module is designed for safety and performance, making it an ideal choice for various applications.

## Description

The B1205S-1WR2 are specially designed for applications where an isolated voltage is required in a distributed power supply system. They are suitable for Where the voltage of the input power supply is stable (voltage variation: ±10%Vin).Where isolation between input and output is necessary (isolation voltage ≤1500VDC). Where the output voltage regulation and the ripple & noise of the output voltage is not strictly required.Typical application: digit circui condition.normal low-frequency artificial circuit condition; relay drive circuit and data switching circuit condition, et Package include: 2pcs*B1205S-1WR2

## Features

- Built-in output short-circuit protection function, excellent performance
- Operating temperature range: -40℃ to +105℃
- High efficiency up to 80%
- Isolation voltage: 1.5K VDC
- International standard pin-out

## Product Details

- **Brand:** Bridgold
- **Color:** black
- **Input Voltage:** 5 Volts
- **Output Voltage:** 5 Volts (DC)
- **Plug Format:** Micro-USB

## Images

![2pcs B1205S-1WR2 B1205S DC/DC Converter Input 12V Output 5V Isolation Power Supply Module Step Down High Efficiency Module Receivers，1W - Image 1](https://m.media-amazon.com/images/I/51M6ixiUvIL.jpg)

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---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-17*