PS2561DL2-1Y-V-F3-L-A

Overview

The PS2561DL2-1Y-V-F3-L-A is a single-channel transistor output optocoupler manufactured by CEL. It features a surface-mount SMD package with four pins and long creepage distance for enhanced isolation safety. The device utilizes an NPN phototransistor output and provides high-voltage isolation rated at 5000 Vrms. It is designed for DC applications and supports high-temperature operation up to 110°C. The component complies with RoHS standards and includes BSI coupling technology.

Feature Summary

• Provides galvanic isolation between input and output circuits using a single channel configuration
• Features long creepage distance design to ensure robust high-voltage insulation performance
• Supports high-temperature operation suitable for demanding thermal environments
• Utilizes surface-mount technology for compact PCB integration

Applications

• High-temperature industrial control systems requiring reliable signal isolation
• DC circuit isolation where enhanced creepage distances are mandated
• Power supply feedback loops in equipment operating under strict thermal constraints

Procurement Notes

Verify the specific suffix 'L-A' against official manufacturer documentation to confirm the exact pinout, tape-and-reel specifications, and compliance certifications. Ensure the procurement source is authorized to guarantee authenticity, as this component may have limited availability or discontinued status depending on the current production cycle.

Selection Notes

Select this component when long creepage distance and high-temperature tolerance are critical requirements. Compare the 5000 Vrms isolation rating against system safety standards. Verify that the surface-mount footprint matches the PCB layout constraints. Confirm that the NPN phototransistor output characteristics align with the load requirements of the receiving circuit.

Part Context

This part belongs to the PS2561DL2 series of transistor output optocouplers from CEL. The series is characterized by its focus on high-isolation voltage and reliability in harsh environments. The DL2 designation typically indicates specific packaging and creepage enhancements compared to standard DIP variants.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific variant are not available in the provided reference data. Consult manufacturer cross-reference guides for potential alternatives if this part is discontinued.