MBRB1545CTHE3_B/I

Diode Arrays Overview

The MBRB1545CTHE3_B/I is a dual common cathode Schottky rectifier manufactured by Vishay General Semiconductor. It utilizes silicon technology and features an ITO-220AB package with matte tin-plated leads. The device provides a maximum repetitive peak reverse voltage of 45 V and a total maximum average forward rectified current of 15 A, distributed as 7.5 A per diode. Key electrical characteristics include a maximum instantaneous forward voltage of 0.57 V at 7.5 A and 25 °C case temperature, and a peak forward surge current capability of 150 A per diode. The operating junction temperature range extends from -65 °C to +150 °C.

Diode Arrays Feature Summary

• Guardring structure integrated for enhanced overvoltage protection capabilities
• Low forward voltage drop design optimized for high efficiency and reduced power loss
• High frequency operation suitable for switching mode applications
• AEC-Q101 qualified construction ensuring automotive grade reliability

Diode Arrays Applications

• High frequency rectification in switching mode power supplies
• Freewheeling diodes in DC/DC converter circuits
• Reverse battery protection mechanisms

Diode Arrays Procurement Notes

Verify the specific ordering suffix against official documentation to confirm compliance requirements. The HE3 suffix indicates RoHS-compliant materials that meet JESD 201 class 2 whisker test standards. Confirm the package type matches the required footprint and thermal management strategy. Ensure the component meets the necessary environmental specifications for the intended deployment environment.

Diode Arrays Selection Notes

Select this component when a dual common cathode configuration is required within a single package to save board space. The low forward voltage characteristic makes it suitable for applications prioritizing energy efficiency. Verify that the 45 V reverse voltage rating aligns with the circuit's peak inverse voltage requirements. Consider the thermal resistance values when designing the heatsinking solution for sustained high-current operations.

Diode Arrays Part Context

This part belongs to the MBRB15xxCT series of dual common cathode Schottky rectifiers. The series offers various voltage ratings including 45 V and 60 V options. The MBRB variant specifically denotes the D2PAK or ITO-220AB package style. These devices are designed to replace standard fast recovery rectifiers in high-frequency applications due to their superior switching characteristics.

Diode Arrays Replacement Considerations

MBRB1545CT-M3/I serves as a halogen-free commercial grade alternative within the same series.

Diode Arrays FAQ

What does the HE3 suffix indicate regarding material composition?

The HE3 suffix denotes that the component uses lead-free glass passivation, internal solder bumps, and matte tin plated leads. It also signifies that the material categorization complies with JESD 201 class 2 whisker test standards.

How is the forward current capacity distributed between the diodes?

The total maximum average forward rectified current is 15 A. This is configured as a dual common cathode setup, providing 7.5 A per individual diode element.

Is this component suitable for automotive applications?

Yes, the HE3 suffix indicates that the device is AEC-Q101 qualified, making it suitable for automotive electronics applications requiring high reliability.