BAV21HWFQ-7

Overview

The BAV21HWFQ-7 is a surface mount high voltage switching diode from Diodes Incorporated, designed for applications requiring high reverse-breakdown voltage. It operates within an ambient temperature range of -65°C to +150°C and features a peak repetitive reverse voltage of 250V with a maximum reverse current of 100nA at 25°C. The device supports a forward continuous current of 400mA and an average rectified output current of 200mA. Electrical characteristics include a reverse recovery time of 50ns, a total capacitance of 5.0pF, and a power dissipation rating of 375mW. It is housed in an SOD123F package.

Feature Summary

• High reverse-breakdown voltage optimized for demanding electrical environments
• Flat leadframe design engineered to improve thermal transfer efficiency
• Qualified to AEC-Q101 standards ensuring high reliability for automotive use
• Totally lead-free and fully RoHS compliant construction

Applications

• Mobile devices
• Portable electronics
• Consumer electronics
• Automotive systems

Procurement Notes

Verify the specific ordering suffix matches the required packaging configuration before procurement. Confirm that the component meets all necessary environmental compliance requirements for your target market. Ensure that the supplier provides valid traceability documentation for automotive-grade parts. Check for any recent product change notifications that might affect mechanical or electrical specifications. Validate that the received units match the marking information provided in the datasheet.

Selection Notes

Select this component when circuit designs demand high reverse voltage handling capabilities combined with fast switching speeds. The SOD123F package offers a compact footprint suitable for space-constrained layouts. Consider the thermal resistance and power dissipation limits during PCB layout planning. Verify that the operating temperature range aligns with the environmental conditions of the final application. Evaluate the low leakage current characteristics for sensitive signal paths.

Part Context

This part belongs to the BAV series of switching diodes manufactured by Diodes Incorporated. It utilizes planar technology encapsulated in a small surface-mount plastic package. The device is specifically engineered to provide robust performance in high-voltage switching scenarios while maintaining low capacitance and fast recovery times typical of modern semiconductor switching applications.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure any replacement maintains identical voltage ratings, package dimensions, and thermal characteristics. Automotive applications require replacements that also meet AEC-Q101 qualification standards.

FAQ

What is the maximum working peak reverse voltage for the BAV21HWFQ?

The maximum working peak reverse voltage (VRWM) is 250V.

Is the BAV21HWFQ qualified for automotive applications?

Yes, the device is qualified to AEC-Q101 standards and is PPAP capable for automotive use.

What is the reverse recovery time specification?

The maximum reverse recovery time (trr) is 50ns under specified test conditions.