FOD270LT

Overview

The FOD270LT is a photovoltaic output optoisolator manufactured by onsemi. It features a single channel with 5000Vrms isolation voltage. The device utilizes a Darlington transistor output configuration with an integrated base terminal for enhanced performance control. It is housed in an 8-pin DIP package and operates within a temperature range of -40°C to 100°C.

Feature Summary

• Photovoltaic output architecture providing galvanic isolation
• Integrated base connection for optimized switching characteristics
• High isolation voltage rating for safety-critical applications

Applications

• Industrial automation control systems
• Solid-state relay driver circuits
• Microcontroller interface isolation

Procurement Notes

Verify the specific suffix 'LT' against official datasheets to confirm package type and tape/reel specifications, as variations exist within the FOD270 family. Ensure compatibility with required isolation standards and operating temperature ranges before finalizing procurement decisions.

Selection Notes

Select this component when high isolation voltage and fast switching speeds are required in a compact DIP package. Consider the integrated base feature for improved noise immunity and reduced propagation delay compared to standard photovoltaic outputs.

Part Context

Part of the FOD270 series, designed for applications requiring reliable electrical isolation between low-voltage control circuits and higher-voltage loads. The photovoltaic output technology offers advantages in speed and linearity over traditional LED-phototransistor pairs.

Replacement Considerations

Check for direct pin-compatible substitutes within the same manufacturer's portfolio that maintain identical isolation ratings and package dimensions. Verify functional equivalence regarding current transfer ratio and propagation delay parameters.