BC54PA-QX

Single Bipolar Transistors Overview

The BC54PA-QX is an NPN silicon bipolar junction transistor manufactured by Nexperia. It utilizes a DFN-2020D-3 (SOT1061) surface-mount package. Key electrical ratings include a maximum collector-emitter voltage of 45 V, a maximum collector-base voltage of 45 V, and a maximum emitter-base voltage of 5 V. The device supports a continuous DC collector current of 1 A with a power dissipation capacity of 420 mW. It features a transition frequency of 180 MHz and operates within a temperature range of -55°C to +150°C.

Single Bipolar Transistors Feature Summary

• Automotive-grade qualification compliant with AEC-Q101 standards for enhanced reliability in demanding environments.
• High collector current capability suitable for medium-power switching and amplification tasks.
• Compact DFN-2020D-3 footprint designed for high-density printed circuit board layouts.

Single Bipolar Transistors Applications

• Linear voltage regulators
• MOSFET drivers
• Low-side switches

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'QX' against the official Nexperia datasheet to confirm automotive grade status and RoHS compliance details. Ensure the ordering part number matches the exact package variant required for your PCB footprint. Cross-reference the manufacturer's latest product change notifications to verify material composition updates before finalizing procurement orders.

Single Bipolar Transistors Selection Notes

Select this component when automotive reliability is required alongside a compact surface-mount form factor. The 45 V rating and 1 A current capacity make it suitable for low-to-medium power applications. Compare the DFN-2020D-3 dimensions against available board space constraints. Verify that the thermal dissipation requirements align with the 420 mW limit under expected operating conditions.

Single Bipolar Transistors Part Context

This component belongs to Nexperia's automotive-qualified BJT portfolio, designed for robust performance in vehicle electronics. It serves as a specialized variant within the broader BC54 series, distinguished by its specific packaging and qualification standards. The device complements other Nexperia transistors like the BCX54T, offering a smaller footprint alternative for space-constrained designs.

Single Bipolar Transistors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers should consult the official Nexperia replacement guide or contact technical support directly for validated cross-references.