ISQ204-3G

Transistor, Photovoltaic Output Optoisolators Overview

The ISQ204-3G 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 features a high current transfer ratio with a minimum of 50%, ensuring efficient signal transmission. It provides robust electrical isolation with a voltage rating of 5.3kVRMS and 7.5kVPK. The component supports a minimum collector-emitter breakdown voltage (BVCEO) of 70V, making it suitable for applications requiring reliable galvanic isolation between systems of different potentials.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared LED and NPN silicon phototransistor for optical isolation
• Features low input current requirements to reduce power consumption
• Provides high isolation voltage capability for safety-critical circuits
• Offers high current transfer ratio for effective signal coupling

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 'G' indicates the required 10mm lead spread option as documented in official specifications. Confirm the package type matches the DIP-6 configuration intended for the design. Ensure the procurement source provides authentic Isocom Components documentation to validate the part number and its associated electrical characteristics against the official datasheet.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when low input current operation is necessary to minimize drive power. The high isolation voltage makes it appropriate for environments requiring significant potential differences between input and output circuits. Consider the DIP-6 package constraints for board layout. Verify that the minimum current transfer ratio meets the system's logic level requirements for reliable switching performance.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISQ204 series belongs to Isocom Components' lineup of low input current phototransistor optically coupled isolators. This family includes variants such as ISQ204-1 and ISQ204-2, differentiated primarily by pin configurations or internal circuit arrangements. The 'G' suffix typically denotes a specific mechanical variation, such as lead spread, while other suffixes like 'SM' indicate surface mount options within the same functional family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

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