PS2381-1Y-F3-W-AX

Overview

The PS2381-1Y-F3-W-AX is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output and operates with a forward current of 5 mA and a forward voltage of 1.1 V. The device provides high isolation with a breakdown voltage of 5000 Vrms and supports a maximum collector-emitter voltage of 80 V. It handles a maximum collector current of 50 mA with a saturation voltage of 300 mV. Switching characteristics include a rise time of 4 µs and a fall time of 5 µs. The component is housed in a 4-pin LSOP package and operates within a temperature range of -40°C to +115°C.

Feature Summary

• Provides high electrical isolation capability with a breakdown voltage of 5000 Vrms for safe signal transmission between isolated circuits.
• Features fast switching performance with a rise time of 4 µs and a fall time of 5 µs, suitable for digital signal isolation applications.
• Designed for surface mount installation in a compact 4-pin LSOP package, facilitating automated PCB assembly processes.

Applications

• Industrial control systems requiring galvanic isolation
• Communication equipment interface circuits
• Power supply feedback loops

Procurement Notes

Verify the specific suffix W against official Renesas documentation to confirm packaging details, as suffixes can indicate variations in reel or tape specifications. Confirm availability status directly with authorized distributors, as stock levels fluctuate. Ensure the ordering part number matches the exact datasheet revision required for your design. Cross-reference the manufacturer part number with internal procurement systems to avoid discrepancies in sourcing channels.

Selection Notes

Select this component when high isolation voltage is critical for safety compliance in low-power signal interfaces. The NPN output configuration suits applications requiring active-low logic interfacing. Verify that the 50 mA collector current rating meets the load requirements of the receiving circuit. Consider the operating temperature range of up to 115°C for environments with elevated thermal conditions without additional cooling.

Part Context

This component belongs to the PS2381 series of transistor output optocouplers from Renesas Electronics. The series is characterized by its ability to operate at ambient temperatures up to 115°C, distinguishing it from standard industrial grade components. The PS2381 family is designed to provide reliable isolation in compact form factors, supporting modern electronics' trend toward miniaturization while maintaining robust electrical performance standards.

Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include PS2381-1Y-AX and PS2381-1Y-V-F3-AX. Verify pinout compatibility and isolation voltage ratings before substitution. Note that suffix variations may affect packaging rather than electrical function; consult the datasheet for specific suffix definitions.