ISQ5X

Transistor, Photovoltaic Output Optoisolators Overview

The ISQ5X is a high-density 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 a high isolation voltage of 5.3kVRMS and a peak isolation of 7.5kVPK. It features a minimum collector-emitter breakdown voltage (BVCEO) of 70V. The 'X' suffix indicates VDE approval compliance, supplementing the standard UL recognition. This component is designed for applications requiring reliable signal transmission between systems with different potentials.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared LED with an NPN silicon phototransistor for optical isolation
• Provides high dielectric isolation voltage rated at 5.3kVRMS
• Features a minimum collector-emitter breakdown voltage of 70V
• Includes VDE approval certification indicated by the X suffix

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify that the specific order includes the 'X' designation to ensure VDE approval compliance, as this affects regulatory acceptance in certain markets. Confirm the package type matches the required lead spread or surface mount configuration if applicable. Ensure the procurement documentation references the correct IECQ-CECC specifications for quality assurance. Cross-reference the datasheet issue date to confirm the version matches your design requirements.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select the ISQ5X when high isolation voltage and compact form factor are required for digital signal isolation. The 70V BVCEO rating supports robust operation in noisy industrial environments. Consider the VDE approval if European safety standards are mandatory for the end product. Evaluate the plastic package constraints against thermal dissipation needs, as the device relies on natural convection for heat management in typical mounting configurations.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISQ5X belongs to the IS*, ISD*, and ISQ* series of high-density phototransistor optically coupled isolators from Isocom Components. These devices are engineered to replace common commercial optocouplers while offering specialized parameter selections. The series utilizes infrared LEDs and NPN silicon phototransistors to provide electrical isolation in a compact footprint, suitable for modern PCB layouts where space is limited.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

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