FODM452

Overview

The FODM452 is a high-speed optocoupler featuring a single channel with an AlGaAs LED input and a phototransistor output. It provides an isolation voltage of 3750 Vrms and supports data rates up to 1 Mb/s. The device operates within a temperature range of -40°C to +85°C, dissipates 100 mW, and utilizes a 5-pin SOP package.

Feature Summary

• High common-mode rejection capability for noise immunity
• Fast switching speed suitable for digital communication
• Robust insulation barrier for safety isolation

Applications

• Industrial automation control systems
• Power supply feedback loops
• Signal isolation in noisy environments

Procurement Notes

Verify the specific suffix (e.g., R2) against the datasheet to confirm packaging type such as cut tape or reel. Ensure the component meets RoHS requirements if mandated by the project specifications. Cross-reference the manufacturer part number with authorized distributor listings to confirm authenticity and current availability status before finalizing procurement orders.

Selection Notes

Select this component when high-speed signal transmission with galvanic isolation is required. The 1 Mb/s data rate and high CTR make it suitable for applications demanding fast response times. Consider the SOP-5 package constraints and thermal dissipation limits of 100 mW during circuit design to ensure reliable operation under specified load conditions.

Part Context

This device belongs to the FODM45x series from onsemi, designed for general-purpose high-speed isolation. It shares architectural similarities with the FODM453 but differs in specific electrical characteristics and pin configurations. The series targets industrial and consumer applications requiring compact, reliable optical isolation solutions.

Replacement Considerations

The FODM453R2 is a documented alternative within the same family. Verify pin compatibility and electrical parameter alignment, particularly regarding current transfer ratio and switching speed, before substituting.