VS-40CPQ040PBF

Diode Arrays Overview

The VS-40CPQ040PBF is a high-performance Schottky rectifier from Vishay Semiconductors, featuring a dual anode common cathode configuration in a TO-247AC package. It provides a maximum average forward current of 40 A and a repetitive peak reverse voltage of 40 V. The device exhibits a low forward voltage drop of 0.43 V at 20 A and 125 °C junction temperature. Key electrical characteristics include a maximum non-repetitive surge current of 3500 A per leg and a maximum junction capacitance of 1850 pF per leg. It operates reliably up to a maximum junction temperature of 150 °C.

Diode Arrays Feature Summary

• Optimized for very low forward voltage drop with moderate leakage using proprietary barrier technology
• High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance
• Guard ring structure designed for enhanced ruggedness and long term reliability
• Qualified according to JEDEC JESD47 standards for switching power supplies and converters

Diode Arrays Applications

• Switching power supplies
• Converters
• Freewheeling diodes
• Reverse battery protection

Diode Arrays Procurement Notes

Verify the specific ordering suffix against the manufacturer's documentation. The PbF designation indicates lead-free and RoHS compliance. Confirm that the component meets all required environmental and material categorization standards for your intended application before procurement.

Diode Arrays Selection Notes

Select this component for applications requiring high frequency operation and robust thermal performance. Ensure the design accommodates the specified maximum junction temperature of 150 °C and utilizes appropriate heatsinking to maintain case temperatures within limits during continuous operation.

Diode Arrays Part Context

This part belongs to the VS-40CPQ... series of center tap Schottky rectifiers manufactured by Vishay Semiconductors. The series includes variants with different voltage ratings, such as 35 V and 45 V options, all sharing the same physical package and general electrical architecture optimized for low forward voltage drop.

Diode Arrays Replacement Considerations

Direct substitutes are not explicitly listed in the provided datasheet. Verify compatibility based on matching electrical parameters including forward current, reverse voltage, package type, and thermal resistance when selecting alternative components.

Diode Arrays FAQ

What is the maximum non-repetitive surge current rating?

The maximum non-repetitive surge current (IFSM) is 3500 A for a 5 μs sine pulse or 430 A for a 10 ms sine pulse.

How does the forward voltage drop vary with temperature?

At 20 A, the forward voltage drop is 0.49 V at 25 °C and decreases to 0.43 V at 125 °C junction temperature.

What is the typical series inductance per leg?

The typical series inductance per leg is 7.5 nH, measured lead to lead 5 mm from the package body.