MBRB25H45CTHE3/45

Diode Arrays Overview

The MBRB25H45CTHE3/45 is a dual common cathode Schottky rectifier manufactured by Vishay General Semiconductor - Diodes Division. It utilizes high barrier technology for improved high-temperature performance and features a guardring for overvoltage protection. The device is housed in a TO-263AB (D2PAK) surface-mount package. Key electrical parameters include a maximum repetitive peak reverse voltage of 45 V, a total maximum average forward rectified current of 30 A (15 A per diode), and a peak forward surge current of 150 A per diode. The maximum junction temperature is rated at 175 °C.

Diode Arrays Feature Summary

• High barrier technology designed to enhance performance at elevated temperatures
• Guardring structure provides protection against overvoltage conditions
• Low forward voltage drop contributes to reduced power losses and higher efficiency
• AEC-Q101 qualified for automotive reliability standards

Diode Arrays Applications

• Low voltage, high frequency rectification in switching mode power supplies
• Freewheeling diodes in DC/DC converter circuits
• Polarity protection applications

Diode Arrays Procurement Notes

Verify the specific suffix HE3 confirms AEC-Q101 qualification and compliance with JESD 201 class 2 whisker testing requirements. Confirm the package designation matches the TO-263AB form factor required for the target PCB layout. Ensure thermal management strategies account for the specified junction-to-case thermal resistance values under operating conditions.

Diode Arrays Selection Notes

Select this component when high-frequency operation and low forward voltage drop are critical for system efficiency. The TO-263AB package offers a balance between current handling capability and surface-mount convenience. Consider the 175 °C maximum junction temperature rating for environments requiring robust thermal performance without excessive heatsinking.

Diode Arrays Part Context

This part belongs to the MBRB25HxxCT series of dual common cathode Schottky rectifiers from Vishay. The series encompasses various voltage ratings including 35 V, 45 V, 50 V, and 60 V options. The MBRB variant specifically denotes the TO-263AB surface-mount package configuration within this family.

Diode Arrays Replacement Considerations

Vishay MBRB25H45CT-E3/45

Diode Arrays FAQ

What is the maximum junction temperature for the MBRB25H45CTHE3/45?

The maximum operating junction and storage temperature range is -65 °C to +175 °C.

Does the HE3 suffix indicate a different electrical function than the E3 suffix?

No, the electrical function remains the same. The HE3 suffix indicates AEC-Q101 qualification and compliance with JESD 201 class 2 whisker testing, whereas the E3 suffix meets JESD 201 class 1.

What is the thermal resistance from junction to case for this device?

The thermal resistance from junction to case per diode is 1.5 °C/W.