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The PS2565L1-1-V-A is an optocoupler manufactured by NEC (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: NEC (Renesas Electronics)
• Type: Phototransistor Optocoupler
• Isolation Voltage: 5000 Vrms (min)
• Collector-Emitter Voltage (VCEO): 80 V
• Emitter-Collector Voltage (VECO): 5 V
• Collector Current (IC): 50 mA (max)
• Current Transfer Ratio (CTR): 50% (min) at IF = 5 mA
• Input Forward Voltage (VF): 1.25 V (typ) at IF = 20 mA
• Reverse Input Voltage (VR): 5 V
• Response Time (tPLH/tPHL): 3 μs (max)
• Operating Temperature Range: -55°C to +110°C
• Package: DIP-4 (Dual Inline Package, 4-pin)

Description:

The PS2565L1-1-V-A is a high-reliability optocoupler designed for signal isolation in industrial and consumer electronics. It consists of an infrared LED optically coupled to a phototransistor, providing electrical isolation between input and output circuits.

Features:

• High Isolation Voltage: 5000 Vrms for safety in high-voltage applications.
• Fast Switching Speed: Suitable for digital signal transmission.
• High Current Transfer Ratio (CTR): Ensures efficient signal transfer.
• Wide Operating Temperature Range: Reliable performance in harsh environments.
• Compact DIP-4 Package: Easy PCB mounting.

This optocoupler is commonly used in power supplies, industrial controls, and communication systems where electrical isolation is required.