MBR1545CTHE3/45

Diode Arrays Overview

The MBR1545CTHE3/45 is a dual common cathode Schottky rectifier manufactured by Vishay General Semiconductor. It features a TO-220AB package with a maximum repetitive peak reverse voltage of 45 V and a total maximum average forward rectified current of 15 A (7.5 A per diode). The device exhibits a low forward voltage drop, ranging from 0.57 V to 0.84 V depending on the current and temperature conditions. It supports a peak forward surge current of 150 A per diode and operates within a junction temperature range of -65 °C to +150 °C.

Diode Arrays Feature Summary

• Guardring structure provides enhanced overvoltage protection capabilities
• Low forward voltage drop ensures high efficiency and reduced power loss
• High forward surge capability suitable for demanding transient loads
• Optimized for high frequency operation in switching applications

Diode Arrays Applications

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

Diode Arrays Procurement Notes

Verify the specific ordering suffix against official documentation to confirm compliance with RoHS standards and material categorization requirements. Confirm that the component meets the necessary whisker test classifications. Ensure the procurement channel sources genuine Vishay products to maintain reliability and adherence to specified electrical characteristics.

Diode Arrays Selection Notes

Select this component when a dual common cathode configuration is required for space-constrained designs utilizing the TO-220AB footprint. Consider its thermal resistance characteristics and derating curves for high ambient temperature environments. Evaluate the forward voltage specifications against system efficiency targets and ensure the 45 V reverse voltage rating aligns with the circuit's peak operating voltages.

Diode Arrays Part Context

This part belongs to the MBR15xxCT series of dual common cathode Schottky rectifiers designed for general-purpose rectification. The E3 suffix indicates RoHS compliance and matte tin plating. The /45 designation specifies the 45 V voltage rating variant within the family, distinguishing it from other voltage options like the 60 V variant.

Diode Arrays Replacement Considerations

Vishay MBR1560CT-E3/45

Diode Arrays FAQ

What is the maximum thermal resistance per diode?

The maximum thermal resistance from junction to ambient is 60 °C/W, while the junction-to-case thermal resistance is 3.0 °C/W.

How does the forward voltage vary with temperature?

At 7.5 A, the forward voltage decreases from 0.75 V at 25 °C to 0.57 V at 125 °C. At 15 A, it drops from 0.84 V at 25 °C to 0.72 V at 125 °C.

Is the device suitable for solder dip processes?

Yes, the leads are matte tin plated and solderable per J-STD-002 and JESD 22-B102 standards, supporting a maximum solder bath temperature of 275 °C for 10 seconds.