---
product_id: 688671811
title: "EC Buying 5Pcs 3-5V Optocoupler Isolation Board - Optoelectronic Isolator EL817 PC817 - Rail Bracket Input 3-5V - 1 Channel Opto PNP NPN Signal Converter"
brand: "ec buying"
price: "$57.77"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/688671811-ec-buying-5pcs-3-5v-optocoupler-isolation-board-optoelectronic-isolator
store_origin: US
region: United States of America
---

# 3000V isolation 5KHz frequency 3-5V input EC Buying 5Pcs 3-5V Optocoupler Isolation Board - Optoelectronic Isolator EL817 PC817 - Rail Bracket Input 3-5V - 1 Channel Opto PNP NPN Signal Converter

**Brand:** ec buying
**Price:** $57.77
**Availability:** ✅ In Stock

## Summary

> 🔌 Elevate Your Signal Game!

## Quick Answers

- **What is this?** EC Buying 5Pcs 3-5V Optocoupler Isolation Board - Optoelectronic Isolator EL817 PC817 - Rail Bracket Input 3-5V - 1 Channel Opto PNP NPN Signal Converter by ec buying
- **How much does it cost?** $57.77 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/688671811-ec-buying-5pcs-3-5v-optocoupler-isolation-board-optoelectronic-isolator)

## 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

- • **High Current Handling:** Supports maximum input and output currents of 50mA.
- • **Versatile Voltage Range:** Input voltage flexibility from 3V to 5V, output up to 24V.
- • **Unmatched Isolation Power:** Experience over 3000V isolation for ultimate safety.
- • **Efficient Signal Conversion:** Achieve seamless signal transmission with a frequency of up to 5KHz.
- • **Extreme Temperature Resilience:** Operates reliably in temperatures from -55°C to 110°C.

## Overview

The EC Buying 5Pcs Optocoupler Isolation Board is a high-performance optoelectronic isolator designed for reliable signal conversion and isolation. With a broad input voltage range of 3-5V and an output capability of up to 24V, it ensures optimal performance across various electronic applications. Featuring a robust isolation voltage exceeding 3000V and a maximum input current of 50mA, this module is built to withstand extreme temperatures and deliver efficient signal processing, making it an essential component for any electronic system.

## Description

EC Buying 5Pcs 3-5V Optocoupler Isolation Board - Optoelectronic Isolator EL817 PC817 - Rail Bracket Input 3-5V - 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
- **Colour:** Green
- **Item weight:** 1.7 Ounces
- **Input voltage:** 5 Volts
- **Output voltage:** 5 Volts

## Images

![EC Buying 5Pcs 3-5V Optocoupler Isolation Board - Optoelectronic Isolator EL817 PC817 - Rail Bracket Input 3-5V - 1 Channel Opto PNP NPN Signal Converter - Image 1](https://m.media-amazon.com/images/I/61G+gVTLDkL.jpg)
![EC Buying 5Pcs 3-5V Optocoupler Isolation Board - Optoelectronic Isolator EL817 PC817 - Rail Bracket Input 3-5V - 1 Channel Opto PNP NPN Signal Converter - Image 2](https://m.media-amazon.com/images/I/41Z+Y-csK1L.jpg)
![EC Buying 5Pcs 3-5V Optocoupler Isolation Board - Optoelectronic Isolator EL817 PC817 - Rail Bracket Input 3-5V - 1 Channel Opto PNP NPN Signal Converter - Image 3](https://m.media-amazon.com/images/I/41T0Fam5YCL.jpg)
![EC Buying 5Pcs 3-5V Optocoupler Isolation Board - Optoelectronic Isolator EL817 PC817 - Rail Bracket Input 3-5V - 1 Channel Opto PNP NPN Signal Converter - Image 4](https://m.media-amazon.com/images/I/41GNGCqLxpL.jpg)
![EC Buying 5Pcs 3-5V Optocoupler Isolation Board - Optoelectronic Isolator EL817 PC817 - Rail Bracket Input 3-5V - 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
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-01*