---
product_id: 638085915
title: "5Pcs 3-5V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter"
brand: "ec buying"
price: "228 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/638085915-5pcs-3-5v-optocoupler-isolation-board-optoelectronic-isolator-el817-pc817
store_origin: DK
region: Denmark
---

# 3-5V input voltage range 5KHz max signal frequency 3000V+ isolation voltage 5Pcs 3-5V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter

**Brand:** ec buying
**Price:** 228 kr
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your electronics game with precision isolation and flawless signal flow!

## Quick Answers

- **What is this?** 5Pcs 3-5V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter by ec buying
- **How much does it cost?** 228 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/638085915-5pcs-3-5v-optocoupler-isolation-board-optoelectronic-isolator-el817-pc817)

## Best For

- ec buying enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Ready-to-Mount:** Card rail bracket design for effortless installation in professional setups
- • **Seamless Signal Isolation:** EL817 optocoupler ensures crystal-clear signal separation for safer circuits
- • **Wide Voltage Compatibility:** Operates smoothly from 3V input up to 24V output for versatile device integration
- • **Efficient Signal Conversion:** Supports up to 5KHz frequency for fast, accurate data transmission
- • **Robust Environmental Tolerance:** Works reliably from -55°C to 110°C, built for demanding conditions

## Overview

The EC Buying 5Pcs EL817 Optocoupler Isolation Boards deliver reliable 1-channel optoelectronic isolation with a broad 3-5V input range and up to 24V output. Featuring over 3000V isolation voltage and a max 5KHz signal frequency, these modules ensure safe, efficient signal conversion across harsh environments (-55°C to 110°C). Designed with a card rail bracket for easy integration, they are ideal for professional-grade electronic systems requiring robust signal integrity.

## Description

5Pcs 3-5V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter

## Features

- 1-way optocoupler isolation module with EL817 features, providing input voltage of DC 3V ~ 5V and output voltage suitable for DC1.8V-24V, ensuring broad voltage application and optimal signal conversion for various devices
- Opto-isolator with isolation voltage greater than 3000V, offers maximum input current of 50MA and working temperature range of -55~110 degrees, ensuring reliable and safe signal isolation and conversion in diverse environments
- PC817 Card Rail Bracket Input 3-5V Optocoupler Isolation Module with maximum output current 50MA, designed for input current within 15-20MA and maximum application signal frequency of 5KHz, ensuring efficient signal conversion and transmission
- Optocoupler featuring operating current> 1 MA, suitable for a wide range of input and output signal voltage, and provides optimal signal transmission and conversion for electronic devices and circuits
- The card guide rail bracket input 3-5V, the optoelectronic isolator provides a reliable and versatile solution for signal isolation and conversion, ensuring seamless integration and operation in various electronic systems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | EC Buying |
| Item model number | EL817 |
| Item Weight | 1.7 ounces |
| Package Dimensions | 6.73 x 4.57 x 0.55 inches |
| Manufacturer | EC Buying |
| ASIN | B0D3CX6NP6 |
| Date First Available | May 6, 2024 |

## Product Details

- **Brand:** EC Buying
- **Item Weight:** 1.7 Ounces
- **Input Voltage:** 5 Volts
- **Output Voltage:** 5 Volts
- **Plug Format:** Type A

## Images

![5Pcs 3-5V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter - Image 1](https://m.media-amazon.com/images/I/61G+gVTLDkL.jpg)
![5Pcs 3-5V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter - Image 2](https://m.media-amazon.com/images/I/41Z+Y-csK1L.jpg)
![5Pcs 3-5V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter - Image 3](https://m.media-amazon.com/images/I/41T0Fam5YCL.jpg)
![5Pcs 3-5V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter - Image 4](https://m.media-amazon.com/images/I/41GNGCqLxpL.jpg)
![5Pcs 3-5V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter - Image 5](https://m.media-amazon.com/images/I/41U4bB46KZL.jpg)

## Frequently Bought Together

- EC Buying 5Pcs 3-5V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter
- HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger
- Twidec/6Pcs Micro Limit Switch Short Straight Hinge Lever Arm SPDT Snap Action Switch for Arduino V-152-1C25

---

## 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.dk/products/638085915-5pcs-3-5v-optocoupler-isolation-board-optoelectronic-isolator-el817-pc817](https://www.desertcart.dk/products/638085915-5pcs-3-5v-optocoupler-isolation-board-optoelectronic-isolator-el817-pc817)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-07*