---
product_id: 240691469
title: "DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module"
brand: "dongker"
price: "€ 31.89"
currency: EUR
in_stock: true
category: "Dongker"
url: https://www.desertcart.gr/products/240691469-dongker-optocoupler-isolation-board-dc-3-3v-5v-pnp-npn
store_origin: GR
region: Greece
---

# Wide voltage support 1.8V-24V 8-channel multi-signal control Optocoupler isolation for noise-free signals DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module

**Brand:** dongker
**Price:** € 31.89
**Availability:** ✅ In Stock

## Summary

> 🛠️ Power your projects with clean, versatile signal isolation — because your circuits deserve the best!

## Quick Answers

- **What is this?** DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module by dongker
- **How much does it cost?** € 31.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/240691469-dongker-optocoupler-isolation-board-dc-3-3v-5v-pnp-npn)

## Best For

- dongker enthusiasts

## Why This Product

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

## Key Features

- • **8-Channel Signal Mastery:** Seamlessly manage multiple inputs and outputs with precision control.
- • **Dual Signal Output Modes:** Switch effortlessly between NPN and PNP (low/high level) outputs to fit your system needs.
- • **Compact & PCB-Ready Design:** 72mm copper board with IDC connector ensures easy integration into your professional projects.
- • **Robust Optocoupler Isolation:** Protect your circuits with reliable voltage isolation that eliminates interference and enhances signal integrity.
- • **Universal Voltage Compatibility:** Supports DC 3.3V to 5V input and 1.8V to 24V load voltage for versatile applications.

## Overview

The DONGKER Optocoupler Isolation Board is an 8-channel signal converter module designed for professional-grade voltage isolation and signal control. Supporting DC input voltages from 3.3V to 5V and load voltages from 1.8V to 24V, it offers both NPN and PNP output modes. Its compact 72mm copper PCB mount design with IDC connectors ensures easy integration, making it ideal for industrial and scientific applications requiring noise-free, reliable signal isolation.

## Description

DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module: desertcart.com: Industrial & Scientific

## Features

- Optocoupler isolation control.
- 8-Channel input and output.
- NPN / PNP (Low/High level) signal output.
- Support DC 3.3V~5V Input.
- DC 1.8V-24V load voltage.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08LYQQ7X6 |
| Best Sellers Rank | #75,778 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #9 in Optocouplers |
| Brand Name | DONGKER |
| Centerline Length | 72 Millimeters |
| Connector Type | IDC |
| Customer Reviews | 4.4 4.4 out of 5 stars (34) |
| Manufacturer | DONGKER |
| Material Type | Copper |
| Model | 1 |
| Mounting Type | PCB Mount |
| Number Of Contacts | 8 |
| Number Of Poles | 8 |
| Number of Positions | 8 |
| Part Number | 1 |
| Temperature Range | -2E+1 Degrees Celsius |
| UPC | 770264202464 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 85 Degrees Celsius |

## Product Details

- **Brand:** DONGKER
- **Centerline Length:** 72 Millimeters
- **Connector Type:** IDC
- **Material:** Copper
- **Mounting Type:** PCB Mount
- **Number Of Contacts:** 8
- **Number Of Poles:** 8
- **Number of Items:** 1
- **Temperature Range:** -2E+1 Degrees Celsius
- **Upper Temperature Rating:** 85 Degrees Celsius

## Images

![DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module - Image 1](https://m.media-amazon.com/images/I/31458O5WEVL.jpg)

## Frequently Bought Together

- DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module
- 5V 5A Power Supply,25W Universal Regulated Switching Power Converter Adapter Transformer for LED Strip Light,Probe Signal Lamp,CCTV, Radio, Computer Project
- MILAPEAK 10pcs (5 Sets) 6 Positions Dual Row 600V 25A Screw Terminal Strip Blocks with Cover + 400V 25A 6 Positions Pre-Insulated Terminals Barrier Strip (Black & Red)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.gr/products/240691469-dongker-optocoupler-isolation-board-dc-3-3v-5v-pnp-npn](https://www.desertcart.gr/products/240691469-dongker-optocoupler-isolation-board-dc-3-3v-5v-pnp-npn)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-07-16*