BAS21J-QX

Single Diodes Overview

The BAS21J-QX is a high-voltage switching diode manufactured by Nexperia USA Inc. It is encapsulated in a very small SOT323 (SC-70) Surface-Mounted Device plastic package. The component is qualified to the AEC-Q101 standard, ensuring reliability for automotive applications. Key electrical characteristics include a maximum reverse voltage of 250 V and a low capacitance of 2 pF or less. The device features a fast switching speed with a reverse recovery time of 50 ns or less, along with low leakage current properties.

Single Diodes Feature Summary

• High switching speed suitable for rapid signal transitions
• Low leakage current for efficient operation
• Very small surface-mount package footprint
• AEC-Q101 qualified for automotive environment resilience

Single Diodes Applications

• High-speed switching at high voltage
• High-voltage general-purpose switching
• Voltage clamping
• Reverse polarity protection

Single Diodes Procurement Notes

Verify the specific suffix 'QX' against official Nexperia documentation to confirm exact tape-and-reel specifications and packaging details. Ensure the order matches the AEC-Q101 qualification requirements for your target application. Cross-reference the datasheet revision date to guarantee access to the most current electrical parameters and mechanical drawings before finalizing procurement.

Single Diodes Selection Notes

Select this component when design constraints require a compact SOT323 package combined with high-voltage blocking capabilities up to 250 V. The low capacitance makes it suitable for high-frequency applications where signal integrity is critical. Consider its AEC-Q101 qualification if the end product must meet automotive industry standards for reliability and temperature performance.

Single Diodes Part Context

This part belongs to Nexperia's range of high-voltage switching diodes designed for space-constrained electronic circuits. The BAS21 series utilizes advanced semiconductor technology to deliver fast switching speeds within a miniature surface-mount form factor. These components are engineered to provide robust performance in demanding environments, including automotive systems requiring strict quality and longevity standards.

Single Diodes Replacement Considerations

Consult official Nexperia substitution guides for verified equivalents. Generic replacements may not match the specific AEC-Q101 qualification or the precise SOT323 mechanical dimensions required for existing PCB layouts.