MBRB4045CTTRL

Diode Arrays Overview

The MBRB4045CTTRL is a center tap Schottky rectifier manufactured by Vishay General Semiconductor - Diodes Division. It features a dual anode common cathode configuration housed in a D2PAK (TO-263) surface mount package. The device supports a maximum DC reverse voltage of 45 V and provides a total average forward current of 40 A, with 20 A per leg at a case temperature of 118 °C. Key electrical characteristics include a maximum forward voltage drop of 0.78 V at 40 A and 125 °C junction temperature, and a peak repetitive forward current of 40 A per leg. The component operates within a junction temperature range of -65 to 150 °C.

Diode Arrays Feature Summary

• Optimized for low reverse leakage current at elevated temperatures using proprietary barrier technology
• Features a guard ring structure designed to enhance ruggedness and ensure long-term reliability
• Encapsulated in high purity, high temperature epoxy to provide enhanced mechanical strength and moisture resistance

Diode Arrays Applications

• Switching power supplies
• Converters
• Freewheeling diodes
• Reverse battery protection

Diode Arrays Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm the exact package variant and reel orientation. The TRL suffix indicates a tape and reel packaging format that is left oriented and restricted to the D2PAK case style. Confirm RoHS compliance status and lead-free designation requirements prior to procurement to ensure alignment with assembly specifications.

Diode Arrays Selection Notes

Select this component for applications requiring high-frequency operation and low forward voltage drop. Ensure the thermal management design accommodates the specified maximum junction temperature of 150 °C and the thermal resistance values provided in the datasheet. Verify that the circuit's peak repetitive forward current and surge current ratings remain within the absolute maximum limits defined for the D2PAK package.

Diode Arrays Part Context

This part belongs to the MBRB/MBR4045CT series of center tap Schottky rectifiers from Vishay High Power Products. The series includes variants such as the MBR4045CT-1 which utilizes a TO-262 package. These devices are engineered for high current capability and low power loss, making them suitable for low voltage, high frequency inverters and polarity protection circuits.

Diode Arrays Replacement Considerations

The MBR4045CT-1 serves as a functional equivalent utilizing a TO-262 package instead of the D2PAK form factor. When substituting, verify that the pinout configuration and physical dimensions of the alternative package are compatible with the existing PCB layout and mounting constraints.

Diode Arrays FAQ

What is the maximum operating junction temperature for the MBRB4045CT?

The maximum junction temperature range for this device is -65 to 150 °C.

How is the average forward current rated for this dual anode device?

The device supports a total average forward current of 40 A, distributed as 20 A per leg when operated at a case temperature of 118 °C.

Does the MBRB4045CT support avalanche energy handling?

Yes, the datasheet specifies a non-repetitive avalanche energy rating of 20 mJ per leg under specific test conditions.