The PC357N3T is a photocoupler (optoisolator) manufactured by SHARP. Below are its key specifications, descriptions, and features:
Specifications:
- Type: Phototransistor Output Optocoupler
- Isolation Voltage: 5000Vrms (min)
- Collector-Emitter Voltage (VCEO): 70V (max)
- Collector Current (IC): 50mA (max)
- Current Transfer Ratio (CTR): 50-600% (at IF=5mA, VCE=5V)
- Input Forward Current (IF): 50mA (max)
- Forward Voltage (VF): 1.25V (typ at IF=10mA)
- Response Time:
- Turn-On Time (ton): 4μs (max)
- Turn-Off Time (toff): 3μs (max)
- Operating Temperature Range: -55°C to +110°C
- Package: 4-pin DIP
Descriptions:
- The PC357N3T is a high-reliability photocoupler designed for signal isolation in electronic circuits.
- It consists of an infrared LED optically coupled to a phototransistor, providing electrical isolation between input and output.
- Suitable for high-speed switching and noise immunity applications.
Features:
- High isolation voltage (5000Vrms) for safety compliance.
- Fast response time for switching applications.
- Wide CTR range (50-600%) for flexibility in circuit design.
- Compact DIP package for easy PCB mounting.
- Reliable performance across a broad temperature range.
This optocoupler is commonly used in power supplies, industrial controls, and communication interfaces where signal isolation is critical.
(Note: Always refer to the official datasheet for detailed technical parameters.)