MBRB1545CTTRL

Diode Arrays Overview

The MBRB1545CTTRL is a dual common cathode Schottky barrier rectifier manufactured by Vishay General Semiconductor. It features two independent 7.5 A legs with a combined average forward current rating of 15 A and a maximum repetitive peak reverse voltage of 45 V. The device utilizes a D2PAK (TO-263) surface-mount package designed for high-frequency operation and low forward voltage drop. Key electrical characteristics include a maximum forward voltage of 0.84 V at 15 A and 25 °C, and a maximum instantaneous reverse current of 15 mA at 125 °C. It supports junction temperatures up to 150 °C and includes guard ring technology for enhanced ruggedness.

Diode Arrays Feature Summary

• Dual common cathode configuration providing two independent rectifying paths within a single surface-mount package.
• Optimized proprietary barrier technology ensures low reverse leakage current even at elevated junction temperatures.
• Guard ring structure integrated into the silicon die to enhance device ruggedness and long-term reliability under overvoltage conditions.
• High-purity, high-temperature epoxy encapsulation provides mechanical strength and moisture resistance.

Diode Arrays Applications

• Switching power supplies
• DC-DC converters
• Free-wheeling diodes in inductive load circuits
• Reverse battery protection

Diode Arrays Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package orientation and lead-free status. The TRL suffix indicates left-oriented tape and reel packaging specific to the D2PAK case style. Confirm that the 45 V voltage rating matches the circuit requirements, as this family also includes 35 V variants. Ensure thermal management design accounts for the specified thermal resistance values provided in the datasheet.

Diode Arrays Selection Notes

Select this component when a dual Schottky rectifier is required in a surface-mount application. The D2PAK package offers lower thermal resistance compared to through-hole alternatives, facilitating heat dissipation in compact designs. Consider the 45 V reverse voltage rating relative to the peak inverse voltage present in the target circuit. Evaluate the forward voltage drop specifications to ensure efficiency targets are met under expected operating currents and temperatures.

Diode Arrays Part Context

This part belongs to the MBRB15..CT series of center tap Schottky rectifiers from Vishay High Power Products. The series is characterized by its ability to operate reliably at junction temperatures up to 150 °C. The MBRB1545CT variant specifically denotes the 45 V version housed in the D2PAK surface-mount package, distinguishing it from the TO-262 through-hole versions or other voltage ratings within the same product line.

Diode Arrays Replacement Considerations

Cross-reference with MBRB1545CT from other manufacturers such as Diodes Incorporated or Micro Commercial Components. Verify pinout compatibility, specifically the common cathode configuration, and ensure equivalent thermal and electrical ratings before substitution.

Diode Arrays FAQ

What is the maximum junction temperature for the MBRB1545CT?

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

How is the device configured internally?

It is a dual common cathode device, meaning it contains two separate anodes sharing a single common cathode terminal.

What is the maximum non-repetitive surge current rating?

The maximum peak one-cycle non-repetitive surge current is 690 A for a 5 µs sine wave pulse.