MBRB2045CTHE3_B/I

Diode Arrays Overview

The MBRB2045CTHE3_B/I is a dual common cathode Schottky rectifier manufactured by Vishay General Semiconductor. It utilizes the D2PAK (TO-263AB) surface-mount package and features an automotive-grade HE3 suffix indicating AEC-Q101 qualification. The device provides a maximum repetitive peak reverse voltage of 45 V and supports a total average forward rectified current of 20 A, distributed as 10 A per diode. Key electrical characteristics include a maximum instantaneous forward voltage of 0.84 V at 20 A and 25 °C, and a peak forward surge current capability of 150 A per diode. The component operates within a junction temperature range of -65 to +150 °C.

Diode Arrays Feature Summary

• Guard ring die construction for enhanced transient protection and ruggedness
• Low forward voltage drop contributing to high efficiency and low power loss
• High frequency operation suitable for switching mode applications
• AEC-Q101 qualified for automotive reliability standards

Diode Arrays Applications

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

Diode Arrays Procurement Notes

Verify the specific ordering code against the manufacturer's documentation to confirm the exact package type and revision level. Ensure that the HE3 suffix requirement aligns with the intended application's environmental and reliability standards. Cross-reference the datasheet document number 88674 for the most current mechanical and electrical specifications before finalizing procurement.

Diode Arrays Selection Notes

Select this component when automotive qualification and high reliability are required for surface-mount designs. The D2PAK package offers efficient thermal dissipation compared to through-hole alternatives. Consider the 45 V rating and 20 A total current capacity to ensure adequate headroom for the target circuit's operating conditions and surge requirements.

Diode Arrays Part Context

This part belongs to the MBRB20xxCT series of dual common cathode Schottky rectifiers from Vishay. The series includes variants with different voltage ratings and package options, such as the ITO-220AB leaded package. The HE3 designation specifically denotes compliance with automotive standards and advanced whisker resistance testing protocols defined by JESD 201 class 2.

Diode Arrays Replacement Considerations

MBRB2045CTHM3/I

Diode Arrays FAQ

What does the HE3 suffix indicate for this component?

The HE3 suffix indicates that the device is RoHS-compliant, halogen-free, and qualified to AEC-Q101 standards for automotive applications. It also meets JESD 201 class 2 whisker test requirements.

Is this component suitable for high-frequency switching applications?

Yes, the datasheet explicitly lists high frequency operation as a feature, making it suitable for use in switching mode power supplies and DC/DC converters.

What is the maximum non-repetitive peak forward surge current?

The maximum non-repetitive peak forward surge current is 150 A per diode, measured under an 8.3 ms single half sine-wave condition superimposed on rated load.