6CWQ03FN

Overview

The Vishay 6CWQ03FN is a surface mount Schottky rectifier featuring a center tap configuration in a D-PAK (TO-252AA) package. It provides an average forward current of 7 A and a repetitive peak reverse voltage of 30 V. The device exhibits a maximum forward voltage drop of 0.45 V at 3 A and 0.52 V at 6 A per leg, with a maximum reverse leakage current of 2 mA at 25 °C. It supports a junction temperature range from -40 to 150 °C and offers high frequency operation capabilities.

Feature Summary

• Center tap dual anode common cathode configuration
• Low forward voltage drop for improved efficiency
• Guard ring structure for enhanced ruggedness and reliability
• Small footprint surface mountable design

Applications

• Disk drives
• Switching power supplies
• Converters
• Free-wheeling diodes
• Battery charging circuits

Procurement Notes

Verify the specific ordering suffix to confirm packaging orientation and lead-free status. Standard production versions may be available in tubes or tape and reel formats. Confirm that the component meets AEC-Q101 Level qualification requirements if automotive application standards are necessary for the design.

Selection Notes

Select this component when low forward voltage drop and small PCB footprint are critical design constraints. The center tap configuration simplifies circuit topology for applications requiring dual rectification paths. Ensure thermal management aligns with the specified junction-to-case thermal resistance values under expected operating conditions.

Part Context

This part belongs to the Vishay 6CWQ series of high current density Schottky rectifiers. Originally developed by International Rectifier before acquisition, it utilizes silicon technology optimized for high-frequency switching applications. The D-PAK outline provides robust mechanical stability while maintaining efficient heat dissipation characteristics.

Replacement Considerations

Check datasheet compatibility for direct pin-to-pin replacements within the same voltage and current ratings. Verify thermal resistance and package dimensions match existing board layouts. Confirm electrical parameters such as forward voltage and reverse leakage meet system requirements.

FAQ

What is the maximum non-repetitive surge current rating?

The device supports a peak one-cycle non-repetitive surge current of 535 A for a 5 μs sine wave pulse.

Does the component support avalanche energy conditions?

Yes, it has a rated non-repetitive avalanche energy of 8 mJ at 25 °C with an avalanche current of 2 Amps.

What is the typical junction capacitance value?

The typical junction capacitance is 290 pF per leg, measured at 5 VDC reverse bias.