ISQ204

Transistor, Photovoltaic Output Optoisolators Overview

The ISQ204 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. It features a minimum current transfer ratio of 50% and a high BVCEO of 70V. Designed for industrial applications, it supports various packaging options including standard DIP, surface mount, and tape & reel configurations to suit diverse assembly requirements.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared LED with an NPN silicon phototransistor for efficient optical coupling
• Provides high electrical isolation voltage rated at 5.3kVRMS and 7.5kVPK
• Features low input current requirements to minimize power consumption
• Offers high current transfer ratio and high collector-emitter breakdown voltage

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 (e.g., G, SM, SMT&R) against the required lead spread or mounting type. Confirm that the component meets the necessary isolation voltage ratings for the target circuit environment. Ensure compatibility with the intended operating temperature range and input current specifications before finalizing procurement decisions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when low input current drive is required alongside high isolation capabilities. Consider the physical package constraints, choosing between through-hole or surface mount variants based on board layout. Evaluate the current transfer ratio requirements to ensure adequate signal output for the connected load under varying temperature conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the IS204 series of optically coupled isolators from Isocom Components. The series includes variations such as IS204-1, ISD204-1, and ISQ204-1, which share similar core functionalities but differ in specific package types or lead spreads. These devices are designed to replace common commercial optocouplers while offering specialized parameter selections for specific circuit designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

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