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The PC817 Optocoupler is a 4-pin opto-isolator IC used to electrically isolate input and output signals, protecting microcontrollers and sensitive components from voltage spikes and interference. This pack of 10 is ideal for automation, power control, and microcontroller-based circuits.
Opto-isolator with phototransistor output
Input: IR LED; Output: NPN Phototransistor
Isolation Voltage: 5,000 Vrms
Compact 4-pin DIP package
Compatible with Arduino, ESP32, Raspberry Pi
Perfect for logic level shifting, relay driving, and industrial automation
Model: PC817
Input Current: 20 mA (typical)
Collector-Emitter Voltage: 35V max
CTR: 50% to 600%
Pack Quantity: 10 pieces
10 x PC817 Optocoupler – Signal Isolation Component for Microcontroller Circuits