NR-25994-D63

Microphones Overview

The NR-25994-D63 is a quad phototransistor output optocoupler manufactured by Knowles. It features four independent channels within a single package, designed for applications requiring multiple isolated signal paths. The device provides a current transfer ratio (CTR) range of 80% to 300%, ensuring reliable signal transmission across the isolation barrier. This component is classified under microphones in some catalogs but functions as an optocoupler.

Microphones Feature Summary

• Quad configuration providing four independent phototransistor outputs
• High current transfer ratio for efficient signal coupling
• Electrical isolation between input and output circuits

Microphones Applications

• Multi-channel signal isolation in industrial control systems
• Data communication interfaces requiring galvanic separation
• Power supply feedback loops with multiple sensing points

Microphones Procurement Notes

Verify the specific datasheet version when ordering, as manufacturing revisions may exist. Confirm the package type matches the PCB footprint requirements. Ensure the supplier provides traceability documentation if required for quality standards. Check for RoHS compliance status relevant to the production batch.

Microphones Selection Notes

Select this component when multiple isolated channels are needed in a compact form factor. The high CTR range supports robust switching performance. Consider thermal management if operating near maximum ratings. Compare pinout compatibility with existing designs before integration.

Microphones Part Context

This part belongs to the NR-25994 series from Knowles, which includes variants like NR-25994-C97 and NR-25994-D42. These components are often categorized under specialized electronic elements. The series is known for reliability in isolation applications.