PS2561DL2-1Y-F3-L-A

Overview

The PS2561DL2-1Y-F3-L-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output and operates in a DIP-4 Gull Wing surface-mount package. The device provides 5000 Vrms insulation voltage and supports high-temperature operation up to 110°C. Key electrical parameters include a collector-emitter saturation voltage of 300 mV, a maximum collector current of 50 mA, and a maximum collector-emitter voltage of 80 V. The unit complies with RoHS standards and is designed for reliable signal isolation in electronic circuits.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Designed for stable performance in high-temperature environments up to 110°C
• Features long creepage distance for enhanced safety compliance

Applications

• High-temperature industrial control systems
• Signal isolation in power supply feedback loops
• Interface circuits requiring DC input and single transistor output

Procurement Notes

Verify the specific suffix 'L-A' against official Renesas documentation to confirm tape-and-reel packaging and lead-free status. Ensure the component matches the required thermal rating and isolation voltage for your design. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit parts. Confirm availability as this series may have limited stock or end-of-life statuses depending on the region.

Selection Notes

Select this component when a surface-mount solution with extended temperature range is required. Compare the CTR specifications against load requirements to ensure proper switching speed. Verify that the DIP-4 footprint fits the PCB layout constraints. Consider the reverse voltage rating if driving inductive loads. Ensure the isolation voltage meets the safety standards of the target application.

Part Context

This part belongs to the PS2561B/DL2 family of transistor output optocouplers from Renesas. These devices are engineered for general-purpose isolation tasks. The DL2 variant specifically denotes a surface-mount package with enhanced creepage distances compared to standard DIP versions. This family is widely used in industrial and automotive applications where reliability under thermal stress is critical.

Replacement Considerations

Check for direct substitutes like PS2561DL2-1Y-F3-A if the 'L-A' suffix indicates a specific packaging variation. Verify pinout compatibility before swapping. Ensure the replacement maintains the same insulation voltage and temperature rating.