MBRB30H45CTHE3/45

Diode Arrays Overview

The MBRB30H45CTHE3/45 is a dual common cathode Schottky rectifier from Vishay General Semiconductor, utilizing high barrier technology for improved high-temperature performance. It features a TO-263AB (D2PAK) surface-mount package with a maximum repetitive peak reverse voltage of 45 V and a total average forward rectified current of 30 A (15 A per diode). The device offers low forward voltage drop, low leakage current, and high forward surge capability. It is AEC-Q101 qualified and operates within a junction temperature range of -65 °C to +175 °C.

Diode Arrays Feature Summary

• High barrier technology enhances high-temperature performance and reliability.
• Guardring structure provides overvoltage protection capabilities.
• Low forward voltage drop contributes to reduced power losses and high efficiency.
• AEC-Q101 qualification ensures suitability for automotive applications.

Diode Arrays Applications

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

Diode Arrays Procurement Notes

Verify the specific ordering suffix against the manufacturer's documentation to confirm package type and qualification level. The HE3 suffix indicates RoHS compliance and AEC-Q101 qualification, while the /45 suffix denotes the 45 V rating. Confirm that the TO-263AB package matches the intended PCB footprint and thermal management requirements for the target application.

Diode Arrays Selection Notes

Select this component when a surface-mount solution with automotive qualification is required for low-voltage, high-current rectification. The TO-263AB package offers a balance of current handling and thermal dissipation. Ensure the operating environment stays within the specified junction temperature limits and that the 45 V reverse voltage rating exceeds the maximum circuit voltage with adequate margin.

Diode Arrays Part Context

This part belongs to the MBRB30HxxCT series of dual common cathode Schottky rectifiers. The series includes variants with different voltage ratings such as 35 V, 50 V, and 60 V. The MBRB prefix specifically identifies the TO-263AB surface-mount package variant within the broader MBR30HxxCT family, which also includes through-hole options like TO-220AB.

Diode Arrays Replacement Considerations

Direct replacements within the same series include MBRB30H35CTHE3/45 (35 V), MBRB30H50CTHE3/45 (50 V), and MBRB30H60CTHE3/45 (60 V), provided the voltage rating meets or exceeds the circuit requirements. Other Vishay Schottky rectifiers in the TO-263AB package may be considered if electrical parameters are compatible.

Diode Arrays FAQ

What does the HE3 suffix indicate for this component?

The HE3 suffix signifies that the device is RoHS compliant and qualified to the AEC-Q101 standard for automotive applications. It also indicates compliance with JESD 201 class 2 whisker test requirements.

Is this component suitable for high-frequency operation?

Yes, the datasheet lists high-frequency operation as a feature due to the Schottky barrier technology, making it suitable for switching mode power supplies and DC/DC converters.

What is the maximum junction temperature for this device?

The maximum operating junction temperature is +175 °C, allowing for robust performance in high-temperature environments.