PS8501L3-AX

Overview

The PS8501L3-AX is a high-speed optocoupler manufactured by Renesas Electronics, featuring a single channel configuration. It provides a data rate of 1 Mb/s and an insulation voltage of 5000 Vrms. The device utilizes a Photo IC output type with a current transfer ratio of 15%. Key electrical parameters include a forward current (If) of 16 mA, a forward voltage (Vf) of 1.7 V, and a reverse voltage (Vr) of 5 V. The output current capability is 8 mA, with a power dissipation (Pd) of 100 mW. It operates within a temperature range of -55°C to +100°C and is available in an 8-pin DIP package.

Feature Summary

• High-speed signal transmission capability supporting 1 Mb/s data rates for efficient digital isolation.
• Robust electrical isolation with a 5000 Vrms insulation voltage rating for safety-critical applications.
• Integrated photo IC output design ensuring reliable signal coupling with defined current transfer characteristics.

Applications

• Industrial control systems requiring galvanic isolation between microcontrollers and peripheral devices.
• Power supply circuits for feedback loop isolation and noise immunity.
• Communication interfaces where high-speed data transfer across isolation barriers is necessary.

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and variant selection. Confirm that the requested part matches the exact pinout and electrical specifications required for the target application. Cross-reference the datasheet revision date to ensure compliance with current manufacturing standards. Ensure compatibility with existing PCB footprint and thermal management requirements before finalizing procurement orders.

Selection Notes

Select this component when high-speed digital isolation is required alongside robust voltage withstand capabilities. The 1 Mb/s data rate suits applications needing faster response times than standard optocouplers. Consider the 5000 Vrms isolation rating for environments with significant potential differences. Evaluate the 15% current transfer ratio and 8 mA output current to ensure adequate drive capability for downstream logic circuits without excessive input current demand.

Part Context

This component belongs to the PS8501L3 series of high-speed optocouplers from Renesas Electronics. The series is designed for applications demanding fast switching speeds and reliable isolation. The PS8501L3-AX variant specifically denotes the packaging and tape-and-reel configuration details as per the manufacturer's nomenclature. It serves as a specialized solution within the broader portfolio of optical isolation devices offered by the company.

Replacement Considerations

Consult the official cross-reference list provided by Renesas Electronics for verified substitute part numbers. Ensure any replacement maintains identical pin configurations, isolation voltages, and data rates. Verify that alternative components meet the same thermal and electrical performance criteria specified in the original datasheet.