FMU-26R

Diode Arrays Overview

The FMU-26S/R is a silicon rectifier diode with a resin-molded structure designed for high-frequency rectification applications. It features a peak reverse voltage of 600 V and an average forward current rating of 10 A, subject to derating curves based on case temperature. The device supports a transient peak reverse voltage of 650 V and a peak surge forward current of 40 A. Electrical characteristics include a maximum forward voltage drop of 1.5 V at 5.0 A and a reverse recovery time ranging from 180 ns to 400 ns depending on test conditions. Operating temperatures range from -40 °C to +150 °C.

Diode Arrays Feature Summary

• Engineered specifically for high-frequency rectification tasks within electronic circuits.
• Features a robust resin-molded construction ensuring structural integrity under thermal stress.
• Provides reliable performance across a wide junction temperature range suitable for demanding environments.

Diode Arrays Applications

• High-frequency rectification in power supply units
• General-purpose rectification in industrial equipment
• Power conversion stages in consumer electronics

Diode Arrays Procurement Notes

Verify the specific suffix (S or R) against your schematic requirements, as both share identical electrical ratings but may differ in marking or packaging details. Confirm that the component is acceptable for your design despite the manufacturer's note indicating it is not recommended for new designs. Ensure compliance with UL94V-0 flammability standards if required by your application safety regulations.

Diode Arrays Selection Notes

Select this component when a 600 V rated silicon diode with a 10 A average forward current capability is needed for high-frequency applications. Consider the thermal management requirements carefully, as the current rating decreases significantly as case temperature increases beyond 50 °C. Evaluate the reverse recovery time specifications to ensure compatibility with your switching frequency and circuit topology constraints.

Diode Arrays Part Context

The FMU-26S/R belongs to Sanken Electric's discrete semiconductor portfolio, specifically within their silicon diode lineup. This series is characterized by its suitability for general-purpose and high-frequency rectification roles. The manufacturer emphasizes reliability through rigorous testing, including high-temperature leakage current specifications, ensuring stable operation in various power conversion scenarios.

Diode Arrays Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the 'Not Recommended for New Designs' status, sourcing replacement components should prioritize verifying exact pinout and electrical parameter matches with existing inventory or approved alternates.

Diode Arrays FAQ

What is the maximum reverse recovery time for the FMU-26S/R?

The maximum reverse recovery time is 400 ns under conditions of IF=IRP=100mA at a 90% recovery point, and 180 ns under conditions of IF=100mA and IRP=200mA at a 75% recovery point, both measured at Tj=25°C.

How does the average forward current rating change with temperature?

The average forward current rating of 10 A is specified at a reference condition and must be derated according to the provided derating curve as the case temperature increases, maintaining a maximum junction temperature of 150°C.

What is the flammability rating of the package material?

The resin-molded package meets the UL94V-0 equivalent flammability standard.