VX8045PWHM3/P

Diode Arrays Overview

The Vishay VX8045PWHM3/P is a dual high voltage Trench MOS Barrier Schottky (TMBS) rectifier in a TO-247AD 3L package. It features a common cathode configuration with a maximum repetitive peak reverse voltage of 45 V and a total maximum average forward rectified current of 80 A (40 A per diode). The device supports a peak forward surge current of 500 A and operates within a junction temperature range of -40 to +150 °C. It achieves an ultra-low forward voltage drop, specified at 0.29 V at 10 A and 125 °C, or 0.43 V at 40 A and 125 °C. The component is halogen-free, RoHS-compliant, and AEC-Q101 qualified.

Diode Arrays Feature Summary

• Utilizes Trench MOS Schottky technology for low forward voltage drop and reduced power losses
• AEC-Q101 qualified for automotive applications
• Halogen-free and RoHS-compliant construction

Diode Arrays Applications

• High frequency DC/DC converters
• Switching power supplies
• Freewheeling diodes
• OR-ing diode circuits
• Reverse battery protection

Diode Arrays Procurement Notes

Verify the specific ordering code suffix against official documentation to confirm compliance requirements. The HM3 suffix indicates AEC-Q101 qualification, halogen-free status, and RoHS compliance. Confirm that the base part number matches the required electrical ratings before procurement. Ensure the package type aligns with thermal management designs. Cross-reference datasheet revision dates to validate parameter accuracy.

Diode Arrays Selection Notes

Select this component for applications requiring high efficiency and low conduction losses at elevated temperatures. The TO-247AD 3L package provides robust mechanical mounting and thermal dissipation capabilities suitable for high current loads. Verify that the 45 V reverse voltage rating exceeds the circuit's peak operating voltage. Consider the 0.6 °C/W thermal resistance for heatsink calculations. Ensure the application environment remains within the specified -40 to +150 °C junction temperature limits.

Diode Arrays Part Context

This device belongs to Vishay's Dual High Voltage TMBS rectifier series. It shares the TO-247AD 3L package form factor with other high-current Schottky rectifiers from the manufacturer. The HM3 variant specifically targets automotive markets due to its AEC-Q101 qualification. It serves as a high-efficiency alternative to standard silicon rectifiers in power conversion stages.

Diode Arrays Replacement Considerations

VX8045PW-M3/P

Diode Arrays FAQ

What is the maximum average forward rectified current per diode?

The maximum average forward rectified current is 40 A per diode, totaling 80 A for the dual device.

Does the VX8045PWHM3/P meet automotive standards?

Yes, the HM3 suffix indicates that the device is AEC-Q101 qualified.

What is the typical instantaneous forward voltage at 10 A and 125 °C?

The typical instantaneous forward voltage is 0.29 V at 10 A and a junction temperature of 125 °C.