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The PC817 is a compact transistor output optocoupler IC designed to provide electrical isolation between input and output circuits. It integrates a high-efficiency infrared LED and a silicon phototransistor housed in a space-saving SOP-4 surface-mount package. Widely used in switching power supplies, microcontroller interfacing, signal isolation, and industrial control systems, the PC817 ensures noise immunity and circuit protection while maintaining reliable signal transmission.
Features of PC817 SMD Optocoupler:
Package Includes:
1 × PC817 SMD Transistor Output Optocoupler – SOP-4 Package
| Model | PC817 |
|---|---|
| Type | Optocoupler (Phototransistor output) |
| Isolation Voltage | 5000Vrms |
| CTR (Current Transfer Ratio) | 50% to 600% (Depending on model variant and forward current) |
| Forward Voltage (LED) | 1.2V typical |
| Collector-Emitter Voltage | 80V |
| Output Current | 50mA max |
| Package | SOP-4 – SMD |
| Operating Temperature Range | -30°C to +100°C |
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