Professional IC Distribution & Technical Solutions

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.)