MBRB30H90CT-E3/81

Diode Arrays Overview

The MBRB30H90CT-E3/81 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 an E3 suffix indicating RoHS compliance and commercial grade status. The device provides a maximum repetitive peak reverse voltage of 90 V and supports a total maximum average forward rectified current of 30 A, rated at 15 A per diode. It exhibits low forward voltage drop and low leakage current characteristics, suitable for high-frequency operation.

Diode Arrays Feature Summary

• High Barrier Technology enhances high-temperature operational stability
• Guardring structure ensures protection against overvoltage conditions
• Low forward voltage drop contributes to reduced power losses and higher efficiency
• AEC-Q101 qualified for automotive reliability standards

Diode Arrays Applications

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

Diode Arrays Procurement Notes

Verify the specific ordering suffix to confirm the package type and reel quantity. The /81 suffix indicates tape and reel packaging with a base quantity of 800 units. Confirm that the E3 suffix aligns with required RoHS compliance and commercial grade specifications rather than automotive HE3 grades. Ensure the TO-263AB footprint matches the target PCB layout design.

Diode Arrays Selection Notes

Select this component when a dual common cathode configuration is required for synchronous rectification or polarity protection. The TO-263AB package offers efficient thermal dissipation through the exposed pad. Consider the 90 V reverse voltage rating relative to the system's peak operating voltage. Evaluate the thermal resistance requirements to ensure the junction temperature remains within the specified -65 °C to +175 °C range under expected load conditions.

Diode Arrays Part Context

This part belongs to the MBRB30HxxCT series, which encompasses various voltage ratings including 35 V, 45 V, 50 V, 60 V, and 90 V variants. All members share identical physical dimensions and pin configurations but differ in their maximum repetitive peak reverse voltage and corresponding forward voltage characteristics. The series is designed for general-purpose high-efficiency rectification in compact surface-mount applications.

Diode Arrays Replacement Considerations

Direct replacements must match the TO-263AB package, 90 V reverse voltage, and 15 A per diode current rating. Verify that alternative Schottky rectifiers maintain comparable forward voltage drops and leakage currents to preserve circuit efficiency. Ensure any substitute component meets the same AEC-Q101 qualification if used in automotive contexts.

Diode Arrays FAQ

What does the E3 suffix indicate for this component?

The E3 suffix denotes that the component is RoHS compliant and manufactured in a commercial grade environment.

Is this component qualified for automotive applications?

Yes, the MBRB30HxxCT series is AEC-Q101 qualified, ensuring suitability for automotive electronic systems.

How is the thermal performance managed in the TO-263AB package?

The TO-263AB package includes an exposed metal pad on the underside, allowing direct mounting to a heatsink or PCB copper pour to dissipate heat effectively from the junction to the case.