ISP621-1GRSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP621-1GRSM is a single-channel optically coupled isolator manufactured by Isocom Components. It integrates an infrared light-emitting diode with an NPN silicon phototransistor in a surface-mount package. Key electrical parameters include a minimum current transfer ratio of 50%, a maximum forward voltage of 1.3V, and a typical input current of 50mA. The device offers high isolation performance with a rated isolation voltage of 5.3kVrms and a peak withstand voltage of 7.5kV. The phototransistor output provides a minimum collector-emitter breakdown voltage (BVCEO) of 55V. Typical switching characteristics feature a rise time of 2µs and a fall time of 3µs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High density mounting configuration for space-efficient circuit design
• Optical isolation between input and output circuits
• NPN silicon phototransistor output stage

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 specific suffix 'GRSM' against official Isocom documentation to confirm exact packaging and tape-and-reel specifications. Ensure the component matches the TLP621 series pinout and electrical ratings required for the target application. Confirm compliance with relevant safety certifications such as UL before integration into final products.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel, high-density surface-mount isolator is required. It is suitable for applications needing moderate speed signals with standard phototransistor outputs. Consider the 5.3kVrms isolation rating for basic insulation requirements. Verify that the 50% minimum CTR meets the drive requirements of the receiving circuitry.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP621 series of high-density mounting phototransistor optically coupled isolators. The series includes variants with different channel counts and lead spread options. Isocom Components manufactures these devices using infrared LEDs and NPN silicon phototransistors in dual-in-line plastic packages adapted for surface mount technology.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.