The PS2521L-1-E3 is a high-isolation voltage single channel optocoupler manufactured by NEC (now Renesas Electronics Corporation). It is designed to provide electrical isolation between input and output circuits, protecting sensitive components from high voltage transients and noise. This optocoupler is commonly used in power supplies, industrial control systems, and communication equipment where safety and isolation are critical. The PS2521L-1-E3 features a high isolation voltage rating and excellent current transfer ratio (CTR), making it suitable for a wide range of applications.

Applications:

• Power Supplies
• Industrial Control Systems
• Communication Equipment
• Microcontroller Isolation
• Signal Isolation

Features:

• Single Channel Optocoupler
• High Isolation Voltage
• High Current Transfer Ratio (CTR)
• Low Input Current
• Compact Package

Benefits:

• Electrical Isolation between Circuits
• Protection against High Voltage Transients
• Reduced Noise and Interference
• Efficient Signal Transfer
• Reliable Performance

Technical Specifications:

The PS2521L-1-E3 has an isolation voltage of 5000 Vrms. The current transfer ratio (CTR) is typically 50% to 600%. The forward current (IF) is 20 mA. The collector-emitter voltage (VCEO) is 80V. It is available in a 4-pin SOP package. The operating temperature range is -55°C to +110°C. This optocoupler is designed for surface mount assembly.