{"product_id":"2-channel-pc817-optocoupler-isolation-module-3-5v-input","title":"2 Channel PC817 Optocoupler Isolation Module - 3-5V Input","description":"\u003cp\u003eThis 2-channel PC817 optocoupler isolation module allows a microcontroller such as Arduino, ESP32, Raspberry Pi, or other 3.3V-5V logic systems to safely interface with higher voltage circuits using optical isolation. Each channel uses a dedicated PC817 optocoupler to electrically separate the control circuit from the output side, helping protect your microcontroller from voltage spikes, electrical noise, and back EMF generated by inductive loads such as motors and relays.\u003c\/p\u003e\n\u003ch2\u003eElectrical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Signal Voltage:\u003c\/strong\u003e DC 3.3V-5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Signal Voltage:\u003c\/strong\u003e DC 1.8V-24V (wide range)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Input Current:\u003c\/strong\u003e 50mA per channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Output Current:\u003c\/strong\u003e 50mA per channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e \u0026gt;3000V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Signal Frequency:\u003c\/strong\u003e 5KHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -55°C to 110°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Dimensions:\u003c\/strong\u003e 38mm × 29mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePin Configuration\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIN1+ \/ IN1-\u003c\/strong\u003e Control signal input and ground for channel 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIN2+ \/ IN2-\u003c\/strong\u003e Control signal input and ground for channel 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOUT1+ \/ OUT1-\u003c\/strong\u003e Isolated output for channel 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOUT2+ \/ OUT2-\u003c\/strong\u003e Isolated output for channel 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual channel isolation:\u003c\/strong\u003e Two independent PC817 optocouplers for controlling two separate circuits from one board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide output range:\u003c\/strong\u003e Output side handles 1.8V-24V, suitable for level shifting between MCU logic and higher voltage circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew terminals:\u003c\/strong\u003e 5.0mm pitch screw terminals for secure and convenient wiring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Arduino, ESP32, ESP8266, Raspberry Pi, AVR, ARM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cp\u003eIdeal for isolating two independent MCU outputs when driving relays or motors, level shifting between low-voltage logic and higher voltage PLC inputs, isolated signal detection, and current amplification where MCU output current is too low to drive a downstream circuit directly.\u003c\/p\u003e\n\u003ch2\u003eExplore More Modules\u003c\/h2\u003e\n\u003cp\u003eIf you only need a single channel, check out our 1-channel PC817 optocoupler isolation module listing.\u003c\/p\u003e","brand":"Zaitronics","offers":[{"title":"Default Title","offer_id":67558110986532,"sku":"Z0892","price":7.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/20260926_193223.jpg?v=1790416539","url":"https:\/\/zaitronics.com.au\/products\/2-channel-pc817-optocoupler-isolation-module-3-5v-input","provider":"Zaitronics","version":"1.0","type":"link"}