IS725XSM

Transistor, Photovoltaic Output Optoisolators Overview

The IS725XSM is a surface mount optically coupled isolator from Isocom Components, featuring an infrared LED and a high-voltage NPN silicon photo-Darlington output. It provides electrical isolation with a minimum breakdown voltage of 300V and a maximum collector dark current of 1μA at 200V VCE. The device offers a minimum current transfer ratio of 1000% and supports an isolation voltage of 5.3kVRMS (7.5kVPK). Designed for robust performance, it includes an integral base-emitter resistor to optimize switching speed and elevated temperature characteristics within a standard 6-pin plastic package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High voltage NPN silicon photo-Darlington output with integral base-emitter resistor
• High current transfer ratio ensuring efficient signal transmission
• Low collector dark current for reliable operation under high voltage conditions

Transistor, Photovoltaic Output Optoisolators Applications

• Modems
• Copiers and facsimiles
• Numerical control machines
• Signal transmission between systems of different potentials and impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SM' confirms the surface mount package variant against official Isocom documentation. Ensure compatibility with automated placement equipment requirements for the 6-pin SMD form factor. Cross-reference the exact part number to distinguish from through-hole equivalents like the IS725. Confirm RoHS compliance status if required by your manufacturing standards.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and high current transfer ratio are critical for system reliability. The integrated base-emitter resistor simplifies circuit design by optimizing switching speed without external components. Suitable for applications requiring galvanic isolation between low-voltage control circuits and high-voltage loads or noisy environments.

Transistor, Photovoltaic Output Optoisolators Part Context

The IS725XSM belongs to the IS725 series of high-voltage Darlington output optocouplers. This series is engineered for industrial applications demanding robust isolation and high gain. The surface mount version maintains the electrical characteristics of the through-hole counterpart while enabling compact PCB layouts.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include other high-voltage Darlington optocouplers with similar pinouts and electrical ratings. Verify that replacement parts meet the 5.3kVRMS isolation requirement and 1000% minimum CTR. Check package dimensions for surface mount compatibility.