ILQ74-X009T

Transistor, Photovoltaic Output Optoisolators Overview

The ILQ74-X009T is a quad-channel optoisolator manufactured by Vishay Semiconductor Opto Division. It features four independent NPN phototransistor outputs with a base connection for improved switching performance. The device provides an isolation voltage of 5300Vrms and operates within a temperature range of -55°C to +100°C. Key electrical parameters include a minimum current transfer ratio (CTR) of 12.5% at a forward current of 60mA, a maximum collector-emitter voltage of 20V, and a peak collector current of 2mA. The component is housed in a 16-SMD surface-mount package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel configuration providing four independent signal isolation paths
• Phototransistor output with accessible base terminal for enhanced speed control
• High isolation voltage rating of 5300Vrms for robust circuit protection

Transistor, Photovoltaic Output Optoisolators Applications

• Multi-channel data acquisition systems requiring galvanic isolation
• Industrial control interfaces with multiple isolated signal lines
• Communication gateways utilizing parallel isolated channels

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix against official Vishay documentation to confirm pinout compatibility and packaging variations. Ensure that the 16-SMD footprint matches the target PCB design constraints. Confirm RoHS compliance status through the latest manufacturer datasheet or product change notification records prior to final procurement decisions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact surface-mount form factor. The integrated base connection allows for external biasing to optimize switching times compared to standard phototransistors. Consider the 2mA collector current limit when designing load circuits to ensure proper operation within the specified electrical boundaries.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ILQ series of multi-channel optocouplers from Vishay. It serves as a high-density alternative to discrete single-channel isolators, reducing board space while maintaining high isolation standards. The series is designed for applications demanding reliable signal transmission across electrically noisy environments with strict safety clearance requirements.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

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