---
product_id: 315500039
title: "DollaTekSmall 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: "$35"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/315500039-dollateksmall-dc-buck-voltage-converter-step-down-voltage-regulator-module
store_origin: NZ
region: New Zealand
---

# 5A max output current Adjustable 1.25-36V output Overheat & short-circuit protection DollaTekSmall 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:** $35
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your projects with precision and safety — never settle for less!

## Quick Answers

- **What is this?** DollaTekSmall 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?** $35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/315500039-dollateksmall-dc-buck-voltage-converter-step-down-voltage-regulator-module)

## 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

- • **User-Friendly Design:** Solder-free wiring terminals and compact form factor for hassle-free installation
- • **Smart Safety Features:** Built-in overheat and short-circuit protection ensures reliable, worry-free operation
- • **Robust 5A Power Handling:** Supports up to 5A output current with efficient 96% conversion rate
- • **Precision Voltage Control:** Continuously adjustable output from 1.25V to 36V for tailored power needs
- • **Integrated Voltmeter & LED Indicators:** Real-time input/output voltage monitoring with easy toggle and calibration

## Overview

The DollaTek Small DC Buck Voltage Converter is a compact, high-efficiency step-down regulator supporting input voltages from 4V to 38V and adjustable output from 1.25V to 36V at up to 5A current. Featuring integrated voltmeter, LED indicators, and advanced safety protections, it delivers stable, customizable power ideal for professional and DIY electronics projects.

## Description

DollaTekSmall 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 |
|---------------|-------|
| Item Weight | 0.02 Kilograms |
| UPC | 742548985240 |
| Manufacturer | DollaTek |
| Brand Name | DollaTek |
| Item Weight | 0.704 ounces |
| Product Dimensions | 0.71 x 1.54 x 0.71 inches |
| Item model number | 742548985240 |
| Is Discontinued By Manufacturer | No |
| Number of Items | 1 |
| Model number | 742548985240 |

## Product Details

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

## Images

![DollaTekSmall 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)
![DollaTekSmall DC Buck Voltage Converter Step Down Voltage Regulator Module Board 4-38V to 1.25-36V 5V/12V Adjustable Output Voltage Stabilizer Transformer - Image 2](https://m.media-amazon.com/images/I/61hgcm-1ztL.jpg)
![DollaTekSmall DC Buck Voltage Converter Step Down Voltage Regulator Module Board 4-38V to 1.25-36V 5V/12V Adjustable Output Voltage Stabilizer Transformer - Image 3](https://m.media-amazon.com/images/I/61wH5Yz3LXL.jpg)
![DollaTekSmall DC Buck Voltage Converter Step Down Voltage Regulator Module Board 4-38V to 1.25-36V 5V/12V Adjustable Output Voltage Stabilizer Transformer - Image 4](https://m.media-amazon.com/images/I/71kRXY-3f7L.jpg)
![DollaTekSmall DC Buck Voltage Converter Step Down Voltage Regulator Module Board 4-38V to 1.25-36V 5V/12V Adjustable Output Voltage Stabilizer Transformer - Image 5](https://m.media-amazon.com/images/I/61HFjIDwMjL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.nz/products/315500039-dollateksmall-dc-buck-voltage-converter-step-down-voltage-regulator-module](https://www.desertcart.nz/products/315500039-dollateksmall-dc-buck-voltage-converter-step-down-voltage-regulator-module)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-03*