ISP521-4GB

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-4GB is a high-density mounting phototransistor optically coupled isolator manufactured by Isocom Components. It integrates an infrared light-emitting diode and NPN silicon photo-transistors within a space-efficient dual in-line plastic package. The device provides electrical isolation between input and output circuits, ensuring signal transmission across different potentials and impedances while maintaining system integrity.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High current transfer ratio for efficient signal coupling
• High isolation voltage capability for robust circuit protection
• High collector-emitter breakdown voltage for reliable operation

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the manufacturer designation matches Isocom Components or authorized distributors. Confirm the specific suffix 'GB' indicates the required lead spread option. Ensure compliance with relevant safety standards for optical couplers before integration into final designs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-density mounting is required alongside standard DIP packaging. Consider the high isolation voltage and breakdown voltage specifications for applications involving significant potential differences between isolated circuits.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP521 series family of optically coupled isolators. The series includes variants such as TLP521, TLP521-2, and TLP521-4, offering different channel configurations. The ISP521-4GB represents a specific configuration within this established line of phototransistor isolators.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Compatible substitutes include TLP521-4GB from Isocom Components. Verify pinout compatibility and electrical parameters against original design requirements before substitution.