FMU-12R

Diode Arrays Overview

The FMU-12S/R is a silicon diode with a resin molded structure designed for high frequency rectification. It features a transient peak reverse voltage of 250 V and a peak reverse voltage of 200 V. The average forward current rating is 5.0 A, subject to derating based on case temperature. Peak surge forward current reaches 30 A for a 10 ms half-sine wave pulse. The junction temperature range spans from -40 °C to +150 °C. Electrical characteristics include a maximum forward voltage drop of 1.5 V at 2.5 A and a reverse leakage current of 50 µA at VRM. Thermal resistance between junction and case is 4.0 °C/W.

Diode Arrays Feature Summary

• Resin molded construction suitable for high frequency rectification applications
• Capable of handling significant thermal stress with a junction temperature limit up to 150 °C
• Provides robust surge protection with a 30 A peak surge forward current rating

Diode Arrays Applications

• High frequency rectification circuits
• Power supply designs requiring fast recovery characteristics
• Industrial equipment utilizing silicon diode technology

Diode Arrays Procurement Notes

Verify the specific suffix (S or R) against the datasheet to confirm package orientation and marking details. Confirm that the component status is acceptable for the intended design, as the documentation indicates it is not recommended for new designs. Ensure all electrical ratings align with the system's operational requirements before procurement.

Diode Arrays Selection Notes

Select this component when high frequency rectification is required within the specified voltage and current limits. Consider the thermal resistance and derating curves to ensure the junction temperature remains within safe operating areas under varying load conditions. Evaluate the reverse recovery time specifications against the switching speed requirements of the target application circuit.

Diode Arrays Part Context

The FMU-12S/R belongs to Sanken Electric's portfolio of silicon diodes engineered for robust performance in demanding environments. These components utilize a resin molded structure to provide mechanical stability and environmental protection. The series is characterized by its ability to handle high peak currents and operate across a wide temperature range, making it suitable for various industrial and commercial power management solutions.

Diode Arrays Replacement Considerations

Consult official cross-reference tools for parametrically similar parts. Verify that any substitute matches the 200 V reverse voltage, 5 A forward current, and package dimensions. Ensure the replacement diode meets the same thermal and electrical safety standards.