FOD2742BR1

Overview

The FOD2742BR1 is a single-channel optocoupler manufactured by onsemi, featuring an NPN phototransistor output. It provides 2500Vrms isolation voltage and operates within a temperature range of -25°C to +85°C. The device is housed in an 8-SOIC surface-mount package. Key electrical parameters include a collector-emitter saturation voltage of 400mV maximum and a forward voltage of 1.2V typical. The component is currently classified as obsolete.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Utilizes an NPN phototransistor for signal transmission
• Designed for surface-mount assembly applications

Applications

• Error amplifier circuits
• General-purpose signal isolation
• Industrial control systems

Procurement Notes

Verify the obsolete status with the manufacturer before procurement planning. Confirm availability through authorized distributors or secondary markets. Ensure compatibility with existing PCB footprints and thermal management requirements. Check for RoHS compliance documentation if required by specific project standards.

Selection Notes

Consider the limited operating temperature range when selecting this component for harsh environments. Evaluate the current transfer ratio specifications against circuit drive requirements. Assess the isolation voltage rating relative to system safety standards. Review alternative active components if long-term supply stability is critical.

Part Context

This component belongs to the FOD2742 series of optocouplers from onsemi. It shares functional similarities with variants such as the FOD2742BV and FOD2742BR2. The series is designed for general-purpose isolation tasks requiring moderate speed and high reliability.

Replacement Considerations

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