ISP825X

Overview

The ISP825X is a high-density mounting photodarlington optically coupled isolator manufactured by Isocom Components. It features an infrared LED input and NPN silicon photodarlington output in a space-efficient dual in-line plastic package. The device provides a minimum current transfer ratio of 600% and a high isolation voltage of 5.3kVRMS with a peak rating of 7.5kVPK. All electrical parameters are 100% tested to ensure reliability.

Feature Summary

• High current transfer ratio for efficient signal transmission
• High isolation voltage capability for safety
• Space-efficient dual in-line plastic packaging

Applications

• Computer terminals
• Industrial systems controllers
• Measuring instruments
• Signal transmission between systems of different potentials and impedances

Procurement Notes

Verify the specific lead form configuration required, as options include standard leads, surface mount variants, or tape and reel packaging. Confirm that custom electrical selections are not needed if standard specifications suffice. Ensure compliance with relevant industry standards for industrial control applications.

Selection Notes

Select this component when high gain and robust isolation are required in compact designs. The photodarlington output offers higher sensitivity compared to standard phototransistors. Consider the package type based on assembly requirements, choosing between through-hole or surface mount configurations.

Part Context

This part belongs to the ISP815, ISP825, and ISP845 series of optically coupled isolators. These devices are designed for high-density mounting applications where space is limited but performance remains critical. The series utilizes infrared LEDs paired with NPN silicon photodarlington outputs.

Replacement Considerations

TIL197 is listed as a comparable high-density mounting photodarlington optically coupled isolator.