---
product_id: 87544130
title: "DollaTek Small DC Buck Voltage Converter Step Down Voltage Regulator Module Board 4-38V to 1.25-36V 5V/12V Adjustable Output Voltage Stabilizer Transformer"
brand: "dollatek"
price: "€ 13.39"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/87544130-dollatek-small-dc-buck-voltage-converter-step-down-voltage-regulator
store_origin: FI
region: Finland
---

# 1.25-36V Adjustable 5A Power Output Overheat Protection DollaTek Small DC Buck Voltage Converter Step Down Voltage Regulator Module Board 4-38V to 1.25-36V 5V/12V Adjustable Output Voltage Stabilizer Transformer

**Brand:** dollatek
**Price:** € 13.39
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Projects with Precision!

## Quick Answers

- **What is this?** DollaTek Small DC Buck Voltage Converter Step Down Voltage Regulator Module Board 4-38V to 1.25-36V 5V/12V Adjustable Output Voltage Stabilizer Transformer by dollatek
- **How much does it cost?** € 13.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/87544130-dollatek-small-dc-buck-voltage-converter-step-down-voltage-regulator)

## Best For

- dollatek enthusiasts

## Why This Product

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

## Key Features

- • **🔧 Precision Control:** Easily adjust output voltage with a simple potentiometer.
- • **🔍 Dual LED Indicators:** Instantly check input/output voltage with clear LED lights.
- • **🌟 User-Friendly Design:** Convenient wiring terminals eliminate the need for soldering.
- • **📏 Compact & Lightweight:** Weighing only 20g, this module is perfect for portable applications.
- • **🔥 Robust Safety Features:** Built-in overheating and short-circuit protection for peace of mind.

## Overview

The Small DC Buck Voltage Converter is a versatile voltage regulator module that efficiently steps down voltage from 4-38V to a stable 1.25-36V. With a high power output of 5A, it features user-friendly LED indicators, adjustable output, and robust safety mechanisms, making it an essential tool for any DIY electronics enthusiast.

## Description

DollaTek Small DC Buck Voltage Converter Step Down Voltage Regulator Module Board 4-38V to 1.25-36V 5V/12V Adjustable Output Voltage Stabilizer Transformer

## Features

- With power supply green LED indicator and the mini voltmeter which can be calibrated by adjusting potentiometer
- High power of 5A and low ripple; has heatsink and copper pillar; Over-heating/short-circuit protection allows safe usage
- Press the switch button to choose testing input/output voltage; "IN"LED light when testing input voltage; "OUT" LED light when testing output voltage
- Press the left-side button to turn ON/OFF voltmeter; Wiring terminals makes convenient usage even without soldering iron
- Adjust the potentiometer in clockwise direction for output voltage increase and decreasing output voltage in counter-clockwise direction

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Minimum frequency | 50 Hz |
| UPC | 742548985240 |
| Manufacturer | DollaTek |
| Item Weight | 20 g |
| Product Dimensions | 1.8 x 3.9 x 1.8 cm; 20 g |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** DollaTek
- **Power source:** DC Voltage Input
- **Product dimensions:** 18D x 39W x 18H millimetres
- **Mounting type:** PCB Mount
- **Current rating:** 5 Amps

## Images

![DollaTek Small DC Buck Voltage Converter Step Down Voltage Regulator Module Board 4-38V to 1.25-36V 5V/12V Adjustable Output Voltage Stabilizer Transformer - Image 1](https://m.media-amazon.com/images/I/71b18vXk3rL.jpg)

## Frequently Bought Together

- DollaTek Small DC Buck Voltage Converter Step Down Voltage Regulator Module Board 4-38V to 1.25-36V 5V/12V Adjustable Output Voltage Stabilizer Transformer
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**Shop now:** [https://www.desertcart.fi/products/87544130-dollatek-small-dc-buck-voltage-converter-step-down-voltage-regulator](https://www.desertcart.fi/products/87544130-dollatek-small-dc-buck-voltage-converter-step-down-voltage-regulator)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-23*