80CNQ045ASL

Overview

The Vishay 80CNQ045ASL is a Schottky rectifier module featuring a dual anode common cathode configuration within the D-61-8-SL package. It provides a maximum average forward current of 80 A and a maximum repetitive peak reverse voltage of 45 V. The device supports junction temperatures up to 150 °C and exhibits a typical forward voltage drop of 0.66 V at 80 A and 125 °C. Its non-repetitive surge current rating reaches 5800 A for a 5 μs sine pulse.

Feature Summary

• Center tap module design optimized for very low forward voltage drop with moderate leakage characteristics
• Proprietary barrier technology enabling reliable operation at elevated junction temperatures up to 150 °C
• High purity, high temperature epoxy encapsulation providing enhanced mechanical strength and moisture resistance
• Guard ring structure incorporated to enhance ruggedness and ensure long-term reliability

Applications

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

Procurement Notes

Verify component authenticity through authorized Vishay channels or certified distributors. Confirm RoHS compliance status as the specific suffix indicates lead-free terminations. Validate datasheet revision against current technical specifications before integration into final designs.

Selection Notes

Select this component for applications requiring high current handling in a compact stud-mount form factor. Ensure thermal management strategies account for the specified thermal resistance values. Verify that system voltage requirements do not exceed the 45 V maximum rating under all operating conditions.

Part Context

This part belongs to the VS-80CNQ...A PbF series, representing the third generation of the D-61 package family. It serves as a high-power Schottky rectifier solution designed for industrial level qualification and robust performance in demanding power electronics environments.

Replacement Considerations

Compatible substitutes include the 80CNQ040ASL and 80CNQ035ASL from the same Vishay series, offering identical packaging and electrical configurations with different reverse voltage ratings.

FAQ

What is the maximum non-repetitive surge current rating?

The device can withstand a peak one-cycle non-repetitive surge current of 5800 A when subjected to a 5 μs sine wave pulse.

How does the forward voltage drop vary with temperature?

The forward voltage drop decreases as temperature increases; it is rated at 0.66 V at 125 °C and 0.52 V at 25 °C for an 80 A current.

What is the mounting torque specification?

The recommended mounting torque ranges from a minimum of 40 kgf·cm to a maximum of 58 kgf·cm to ensure proper contact and thermal performance.