FMW-4304

Diode Arrays Overview

The FMW-4304 is a high-frequency rectification type silicon Schottky barrier diode manufactured by Sanken Electric. It features a 40 V nonrepetitive peak reverse voltage (VRSM) and a 30 A average forward current rating (IF(AV)). The device utilizes a bare lead frame that is Pb-free and RoHS compliant, with flammability equivalent to UL94V-0. Designed for TO3PF-3L mounting, it offers a typical forward voltage drop of 0.51 V at 15 A and a thermal resistance from junction to case of 2.0 °C/W.

Diode Arrays Feature Summary

• High-speed switching capability designed to improve power supply efficiency in high-frequency systems
• Low forward voltage drop characteristic contributing to enhanced system performance
• Robust surge current handling with a 150 A rating for half-cycle sine waves

Diode Arrays Applications

• DC-DC Converters
• Adapters

Diode Arrays Procurement Notes

Verify the component datasheet revision status before procurement, as specifications are subject to change without notice. Confirm compliance with EU RoHS Directive requirements regarding controlled substances. Ensure the application environment adheres to the specified operating temperature range of -40°C to 150°C. Contact Sanken sales representatives for suitability discussions if used in transportation or safety-critical systems.

Diode Arrays Selection Notes

Select this component for applications requiring high-frequency rectification and improved power supply efficiency. Consider the TO3PF-3L package dimensions and recommended screw torque of 0.686 N·m to 0.882 N·m for proper heatsink mounting. Evaluate derating curves for average forward current based on case temperature conditions. Ensure the circuit design accounts for the maximum reverse leakage current under high-temperature conditions.

Diode Arrays Part Context

The FMW-4304 belongs to Sanken Electric's Schottky barrier diode series, specifically engineered for high-frequency rectification tasks. It is housed in a TO3PF-3L package, which facilitates efficient thermal management through direct heatsink mounting. The device is marked with a lot number indicating manufacturing date and specific device code W4304.

Diode Arrays Replacement Considerations

The datasheet explicitly states 'Not Recommended for New Designs'. Verify availability of updated alternatives from Sanken Electric for new projects.

Diode Arrays FAQ

What is the recommended screw torque for mounting the FMW-4304?

The recommended screw torque for the TO3PF package is between 0.686 N·m and 0.882 N·m.

Is the FMW-4304 suitable for aerospace or nuclear power control systems?

No, the product is not intended for use in applications requiring extremely high reliability such as aerospace equipment or nuclear power control systems.

What is the maximum junction temperature for the FMW-4304?

The maximum junction temperature (TJ) is 150 °C.