ISP815X-3

Transistor, Photovoltaic Output Optoisolators Overview

The ISP815X-3 is a surface-mount optically coupled isolator from the ISP815 series, manufactured by Isocom Components. It integrates an infrared LED with an NPN silicon photodarlington output in a compact SMD package. Key electrical parameters include a minimum current transfer ratio of 600%, ensuring high gain for signal transmission. The device offers robust isolation capabilities with a minimum isolation voltage of 5.3 kVrms and a peak voltage of 7.5 kVpk. All electrical parameters are 100% tested to guarantee reliability. The component supports a maximum forward input current of 50 mA and features a typical rise time of 4 µs and fall time of 3 µs, suitable for general-purpose digital isolation applications.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared light emitting diode with an NPN silicon photodarlington transistor for high-density mounting.
• Provides high current transfer ratio performance with a minimum specification of 600%.
• Ensures reliable electrical isolation with a minimum isolation voltage of 5.3 kVrms and a peak rating of 7.5 kVpk.
• Features 100% electrical parameter testing to maintain consistent quality and performance standards.

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals requiring signal isolation
• Industrial systems controllers needing robust noise immunity
• Measuring instruments demanding precise signal transmission
• Systems interfacing between different potentials and impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify that the specific suffix '-3' aligns with the manufacturer's lead form or tape-and-reel configuration requirements. Confirm compliance with RoHS directives and UL/VDE approvals relevant to the intended application region. Ensure the surface-mount package type matches the PCB footprint design specifications before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high current transfer ratio is critical for driving downstream loads efficiently. Consider the surface-mount format for automated assembly processes and space-constrained designs. Evaluate the 5.3 kVrms isolation rating against system safety requirements. Compare rise and fall times against signal speed requirements to ensure adequate bandwidth for the application.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISP815X-3 belongs to the ISP815/ISP825/ISP845 family of high-density mounting phototransistor/optical isolators. This series is designed for space-efficient dual in-line plastic packages, including surface-mount variants. The 'X' designation typically indicates specific approval statuses such as UL recognition and VDE approval, distinguishing it from standard commercial versions.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers for ISP815X-3 are not available in the provided documentation. Users should consult official distributor databases or manufacturer cross-reference guides for equivalent components with matching pinouts, isolation voltages, and current transfer ratios.