--- 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: "AR$52610" currency: ARS in_stock: true reviews_count: 8 category: "Dongker" url: https://www.desertcart.com.ar/products/240691469-dongker-optocoupler-isolation-board-dc-3-3v-5v-pnp-npn store_origin: AR region: Argentina --- # Wide voltage range 1.8V-24V load 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:** AR$52610 **Availability:** ✅ In Stock ## Summary > 🛠️ Power your projects with flawless isolation and multi-channel control! ## 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?** AR$52610 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/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 - • **Robust Noise Isolation:** Optocoupler technology ensures clean, interference-free signal transmission. - • **8-Channel Signal Mastery:** Seamlessly manage multiple inputs and outputs with precision and ease. - • **Compact & Durable Design:** PCB mountable copper build rated up to 85°C for reliable industrial performance. - • **PNP & NPN Output Flexibility:** Adapt effortlessly to both low and high-level signal requirements. - • **Universal Voltage Compatibility:** Supports DC 3.3V to 5V input and up to 24V load voltage for versatile applications. ## Overview The DONGKER Optocoupler Isolation Board is an 8-channel signal converter module designed for industrial and scientific applications. It supports DC input voltages from 3.3V to 5V and load voltages from 1.8V to 24V, with both PNP and NPN output compatibility. Featuring optocoupler isolation, it ensures noise-free signal transmission, housed in a compact, PCB-mountable copper design rated for up to 85°C operation. ## Description Product description DONGKER 8-Channel Optocoupler Isolation Board DONGKER 8-channel optocoupler isolation board can output DC voltage according to the detection result, and the output result can be applied to PLC system and other control devices, which can detect whether there is input power or not. When input power is detected, the output state will change. Input Voltage: DC 3.3V~5V Load Input Voltage: DC 1.8V~24V Output type: NPN / PNP (Low/High level) signal output Output current: 50mA Work Temperature: -20℃~85℃ Work Humidity: 10%~85%RH Size: 72*50*27mm DONGKER 8-channel optocoupler isolation boards support NPN/PNP (low/high level) signal outputs as well as DC 3.3V~5V inputs, with applications ranging from DC power testing, PLC control systems, and equipment alarms. Review: FAR SUPERIOR - These octopus couplers are far superior to the old individual ones Review: muy conforme - excelente producto ## 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 | #69,291 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #9 in Optocouplers | | Brand | DONGKER | | Brand Name | DONGKER | | Centerline Length | 72 Millimeters | | Connector Type | IDC | | Customer Reviews | 4.4 out of 5 stars 34 Reviews | | Manufacturer | DONGKER | | Material | Copper | | 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 - **Manufacturer:** DONGKER - **Material:** Copper - **Mounting Type:** PCB Mount - **Number Of Contacts:** 8 - **Number Of Poles:** 8 - **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) ![DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module - Image 2](https://m.media-amazon.com/images/I/51apPXCVZNL.jpg) ![DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module - Image 3](https://m.media-amazon.com/images/I/71YOydhy-WL.jpg) ![DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module - Image 4](https://m.media-amazon.com/images/I/61+Owawu5UL.jpg) ![DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module - Image 5](https://m.media-amazon.com/images/I/51p9GOThz-L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ FAR SUPERIOR *by M***. on November 5, 2025* These octopus couplers are far superior to the old individual ones ### ⭐⭐⭐⭐⭐ muy conforme *by L***Z on August 20, 2025* excelente producto ### ⭐⭐⭐⭐⭐ Much more compact that 8 individual Iso-optocouplers *by M***3 on August 3, 2024* Device is as expected. A must for my Beagle Bone system. I fried my first BBONE because I failed to Isolate the IO. ## 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.com.ar/products/240691469-dongker-optocoupler-isolation-board-dc-3-3v-5v-pnp-npn](https://www.desertcart.com.ar/products/240691469-dongker-optocoupler-isolation-board-dc-3-3v-5v-pnp-npn) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-05-23*