BAS40WQ-7-F

Single Diodes Overview

The BAS40WQ-7-F is a surface mount Schottky barrier diode manufactured by Diodes Incorporated in the SOT323 package. It features a peak repetitive reverse voltage of 40 V and a forward continuous current rating of 200 mA. The device exhibits a maximum forward voltage drop of 1 V at 40 mA and a leakage current of 200 nA at 30 V reverse bias. Electrical characteristics include a total capacitance of 5.0 pF and a reverse recovery time of 5.0 ns. Power dissipation is rated at 330 mW with a thermal resistance of 330 °C/W. Operating temperature ranges from -55°C to +125°C.

Single Diodes Feature Summary

• Low forward voltage drop for improved efficiency
• Fast switching capability with 5 ns reverse recovery time
• PN junction guard ring provides transient and ESD protection
• Qualified for automotive applications under AEC-Q101 standards

Single Diodes Applications

• Automotive electronics requiring specific change control
• High-speed switching circuits
• Voltage clamping applications
• General-purpose rectification in surface mount designs

Single Diodes Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm AEC-Q101 qualification status and PPAP capability if required for automotive supply chains. Ensure packaging matches specified tape and reel quantities. Check RoHS compliance documentation against regional regulatory requirements. Validate date code markings against manufacturing records.

Single Diodes Selection Notes

Select this component for applications requiring low forward voltage and fast switching in compact surface mount layouts. The SOT323 package suits space-constrained designs. Consider the 40 V reverse voltage rating for appropriate circuit protection levels. Evaluate thermal management needs based on the 330 mW power dissipation limit and ambient operating conditions.

Single Diodes Part Context

This part belongs to the BAS40W series of surface mount Schottky barrier diodes produced by Diodes Incorporated. The Q suffix indicates automotive qualification compliant with AEC-Q101 standards. The product utilizes a standard SOT323 package designed for high-volume surface mount assembly processes.

Single Diodes Replacement Considerations

BAS40W-05-7-F

Single Diodes FAQ

What is the maximum forward voltage drop?

The maximum forward voltage drop is 1 V when tested at a forward current of 40 mA.

Is the BAS40WQ suitable for automotive use?

Yes, the BAS40WQ is AEC-Q101 qualified, PPAP capable, and manufactured in IATF16949 certified facilities for automotive applications.

What protection features are included?

The device incorporates a PN junction guard ring designed to provide protection against transients and electrostatic discharge (ESD).