PS8101-K-AX

Overview

The PS8101-K-AX is a high-speed optocoupler manufactured by Renesas Electronics, featuring a single channel with SOP-5 surface-mount packaging. It provides an isolation voltage of 3750 Vrms and supports data rates up to 1 Mb/s. The device incorporates a transistor output with base, operating within a temperature range of -55°C to +100°C. Key electrical parameters include a forward current of 16 mA, a forward voltage of 2.2 V, and a reverse voltage rating of 5 V. Power dissipation is specified at 145 mW, with a current transfer ratio of 35%.

Feature Summary

• High common mode transient immunity for reliable signal transmission in noisy environments
• Compact plastic SOP-5 package designed for high-density circuit board applications
• Integrated GaAlAs LED input side with PIN photodiode and amplifier transistor on the output side

Applications

• Industrial control systems requiring galvanic isolation
• Communication interfaces demanding high-speed digital signal transfer
• Power supply circuits needing feedback isolation

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and lead-free specifications against current datasheet revisions. Ensure storage conditions maintain moisture sensitivity levels prior to assembly. Validate that the specific suffix matches required tape-and-reel or cut-tape configurations for automated placement processes.

Selection Notes

Select this component when high-speed digital isolation is required within a compact footprint. The SOP-5 package suits space-constrained designs compared to larger DIP alternatives. Consider the 3750 Vrms isolation barrier for safety-critical applications. Evaluate the 1 Mb/s data rate capability against system timing requirements before finalizing the design choice.

Part Context

This part belongs to the NEPOC series of photocouplers from Renesas Electronics. The series focuses on providing robust optical isolation solutions for modern electronic systems. The PS8101 variant specifically targets applications needing fast response times and high reliability in a small form factor.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.