PS2801A-1-F3-L-A

Overview

The PS2801A-1-F3-L-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It integrates a GaAs infrared emitting diode and an NPN silicon phototransistor within a compact SSOP-4 package. The device provides high isolation voltage of 2500 Vrms, ensuring reliable signal transmission across isolated circuits. Key electrical characteristics include a collector-emitter voltage of 70 V, a maximum forward current of 30 mA, and a typical forward voltage of 1.4 V. The unit supports a wide operating temperature range from -55°C to +100°C.

Feature Summary

• High isolation voltage capability for safe circuit separation
• Compact thin plastic SSOP-4 package suitable for high-density mounting
• Integrated shield effect to minimize ambient light interference
• Fast switching performance with defined rise and fall times

Applications

• Industrial control systems requiring galvanic isolation
• Signal transmission between microcontrollers and peripheral devices
• Power supply feedback loops for voltage regulation
• Communication interfaces in noisy electromagnetic environments

Procurement Notes

Verify the specific suffix F3-L-A against official Renesas documentation to confirm lead-free status and tape-and-reel packaging configuration. Confirm availability status as distribution channels may list this component as limited supply or not recommended for new designs. Ensure compliance with RoHS directives and relevant safety standards such as UL and BSI before integration into final products.

Selection Notes

Select this component when a single channel of high-speed isolation is required in a small footprint. Compare the 30 mA forward current limit and 70 V collector-emitter voltage against system requirements. Consider the SSOP-4 package dimensions for PCB layout constraints. Evaluate the 50% to 400% current transfer ratio range to ensure adequate signal coupling efficiency under varying temperature conditions.

Part Context

This part belongs to the PS2801A series of high-isolation voltage photocouplers. The series includes variants with different pin counts and output types, such as the four-channel PS2801A-4-A. The PS2801A-1 variant specifically targets applications needing a single isolated channel with robust electrical performance and compact physical dimensions for modern electronic assemblies.

Replacement Considerations

Direct substitutes include PS2801-1-F3-L-A and PS2801C-1-F3-L-A. Verify pin compatibility and electrical parameters such as CTR and isolation voltage before substitution. Note that some variants may have different recommended usage statuses or packaging options.