The PC817A/PC817X1NSZ9F is a general-purpose phototransistor optocoupler manufactured by Sharp Microelectronics. It provides electrical isolation between input and output circuits, making it ideal for a variety of applications where safety and noise immunity are critical.
Applications:
- Power supply isolation
- Digital logic isolation
- Microcontroller interface
- Signal transmission
- Noise isolation
Features:
- High isolation voltage
- Compact package
- CTR (Current Transfer Ratio) of 50-600%
- RoHS compliant
Benefits:
- Protects sensitive circuits from high voltage transients and ground loops
- Reduces board space requirements due to its small size
- Provides efficient signal transfer between isolated circuits
- Complies with environmental regulations
Specifications:
The PC817A/PC817X1NSZ9F optocoupler features a high isolation voltage, typically several kilovolts. The current transfer ratio (CTR) is between 50% and 600%, indicating the efficiency of signal transfer. The input is an LED, and the output is a phototransistor. The device is available in a DIP-4 package. It is designed for operation within a specified temperature range. The forward voltage of the LED is typically around 1.2V, and the collector-emitter voltage of the transistor is typically around 80V.
