ISQ204X-2G

Transistor, Photovoltaic Output Optoisolators Overview

The ISQ204X-2G is a low input current phototransistor optically coupled isolator manufactured by Isocom Components. It integrates an infrared light emitting diode and an NPN silicon photo transistor within a space-efficient dual in line plastic package. The device provides high isolation voltage of 5.3kVRMS and 7.5kVPK, ensuring reliable signal transmission between systems with different potentials and impedances. Key electrical characteristics include a minimum current transfer ratio of 50% and a high BVCEO of 70V min.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Low input current operation for efficient power consumption
• High current transfer ratio for robust signal coupling
• High isolation voltage capability for safety
• Space-efficient dual in line plastic packaging

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'X' against official manufacturer documentation to confirm pinout and functional equivalence, as standard datasheets typically list ISQ204-1, -2, or -3 variants. Ensure the 'G' suffix indicates lead-free compliance if required by project specifications. Cross-reference the exact part number with the manufacturer's current catalog to avoid ordering obsolete or variant-specific components that may differ in mechanical dimensions or electrical tolerances.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when low drive current is critical for the input side of the isolation barrier. The high current transfer ratio ensures adequate output saturation even with minimal input current. Verify that the 70V collector-emitter breakdown voltage meets the load requirements. Confirm that the DIP package style fits the available PCB real estate and assembly process constraints compared to surface mount alternatives.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the ISQ204 series of optically coupled isolators from Isocom Components. The series utilizes infrared LEDs paired with NPN silicon phototransistors. Variants such as ISQ204-1, ISQ204-2, and ISQ204-3 offer different channel configurations or pinouts within the same family architecture, sharing core electrical isolation and speed characteristics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

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