ISQ204-2

Transistor, Photovoltaic Output Optoisolators Overview

The ISQ204-2 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. It features a minimum current transfer ratio of 50% and a high BVCEO of 70V min, supporting stable operation in demanding industrial environments.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates infrared LED and NPN silicon phototransistor for optical isolation
• Provides high dielectric strength with 5.3kVRMS and 7.5kVPK isolation voltage
• Ensures efficient signal coupling with a minimum current transfer ratio of 50%
• Supports robust switching performance with a minimum collector-emitter breakdown voltage of 70V

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 requirements for lead spread (G), surface mount (SM), or tape and reel (SMT&R) options against your design needs. Confirm that the plastic DIP package aligns with your PCB layout constraints. Ensure the manufacturer documentation matches the exact part number to avoid functional discrepancies in isolation ratings.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when low input current drive is required alongside high isolation voltage standards. The 50% minimum current transfer ratio ensures adequate signal fidelity for digital logic interfaces. Consider the physical package dimensions and thermal characteristics suitable for your enclosure design before finalizing the procurement.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the IS204 series family, which includes variants like IS204-1, ISD204-2, and ISQ204-3. These components share similar architectural designs focusing on low input current and high isolation capabilities. The ISQ204-2 specifically denotes the standard through-hole plastic DIP configuration within this broader product line.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

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