MBRF1550CTHE3/45

Diode Arrays Overview

The MBRF1550CTHE3/45 is a dual common-cathode Schottky rectifier manufactured by Vishay General Semiconductor. It utilizes an ITO-220AB package and incorporates Guardring technology for overvoltage protection. The device features a maximum repetitive peak reverse voltage of 50 V and supports a total average forward rectified current of 15 A, with 7.5 A per diode at a case temperature of 105 °C. Electrical characteristics include a maximum instantaneous forward voltage of 0.65 V at 7.5 A and a peak forward surge current capability of 150 A per diode.

Diode Arrays Feature Summary

• Guardring structure provides enhanced overvoltage protection capabilities
• Low forward voltage drop design ensures high efficiency and reduced power losses
• High frequency operation suitable for switching mode applications
• High forward surge current capability for robust performance under transient loads

Diode Arrays Applications

• High frequency rectification in switching mode power supplies
• Freewheeling diodes in DC-to-DC converter circuits
• Polarity protection applications requiring low leakage current

Diode Arrays Procurement Notes

Verify the specific suffix HE3 to confirm the component meets JESD 201 class 2 whisker test requirements for high reliability grade. Ensure the ordering code includes /45 to match the tube delivery mode and base quantity specifications provided in the manufacturer documentation. Cross-reference the datasheet revision date to confirm technical parameters remain consistent with current production standards.

Diode Arrays Selection Notes

Select this component when a dual common-cathode configuration is required for space-constrained designs utilizing the ITO-220AB footprint. The 50 V rating makes it appropriate for low-voltage, high-current synchronous rectification or freewheeling duties. Consider the thermal resistance values and derating curves to ensure junction temperatures remain within the specified operating range during continuous load conditions.

Diode Arrays Part Context

This part belongs to the MBR(F,B)15xxCT series of dual Schottky barrier rectifiers from Vishay. The 'F' designation indicates the ITO-220AB insulated tab package variant. The HE3 suffix denotes a high-reliability version compliant with automotive qualification standards, distinguishing it from standard consumer-grade E3 variants within the same electrical family.

Diode Arrays Replacement Considerations

MBR1550CTHE3/45 (TO-220AB package)

Diode Arrays FAQ

What is the maximum thermal resistance from junction to case for this device?

The maximum thermal resistance from junction to case (RθJC) is 5.0 °C/W.

Does the HE3 suffix indicate a change in electrical performance compared to the standard E3 version?

No, the HE3 suffix indicates compliance with JESD 201 class 2 whisker tests for high reliability but does not alter the primary electrical ratings or characteristics defined in the datasheet.

What is the isolation voltage specification for the ITO-220AB package?

The ITO-220AB package offers an isolation voltage of 1500 VAC from terminal to heatsink for one minute.