BAT54SW-QX

Overview

The BAT54SW-QX is a dual Schottky barrier diode manufactured by Nexperia, designed for high-speed switching and voltage clamping applications. It is housed in the SOT-323 (SC-70) surface-mount package. The device features a silicon planar structure with an integrated guard ring for enhanced stress protection. Key electrical characteristics include a maximum repetitive peak reverse voltage of 30 V and a forward current rating of 200 mA. The component supports a wide operating temperature range from -65 °C to +150 °C and meets AEC-Q101 automotive qualification standards.

Feature Summary

• Dual configuration with common cathode arrangement
• Automotive qualified according to AEC-Q101 standards
• Integrated guard ring for improved stress protection
• Low forward voltage and low capacitance design

Applications

• Ultra high-speed switching circuits
• Voltage clamping and protection
• Reverse polarity protection
• Line termination

Procurement Notes

Verify the specific suffix 'QX' against official Nexperia documentation to confirm it denotes the standard tape-and-reel packaging format compatible with automated assembly equipment. Ensure the part number matches the exact automotive-grade specification required for your design. Cross-reference the manufacturer's datasheet for the most current availability status and recommended soldering profiles.

Selection Notes

Select this component when a compact dual Schottky diode solution is required for automotive or high-reliability consumer electronics. The SOT-323 package offers space efficiency for dense PCB layouts. Consider the 30 V reverse voltage limit and 200 mA forward current capability to ensure adequate headroom for the target application's electrical demands.

Part Context

This part belongs to the BAT54 series of Schottky barrier diodes from Nexperia. The series is characterized by its small form factor and fast switching capabilities. The '-Q' designation indicates compliance with automotive reliability standards, while the 'SW' typically refers to the specific pinout and package variant within the dual diode family.

Replacement Considerations

Direct substitutes may include other dual Schottky diodes in SOT-323 packages such as the BAT54S or BAT54A, provided they meet the same voltage and current ratings. Verify pin compatibility and thermal performance before substitution.