BC55PA-QX

Single Bipolar Transistors Overview

The BC55PA-QX is a PNP medium power transistor manufactured by Nexperia. It operates with a maximum collector-emitter voltage of 60 V and supports a continuous collector current of 1 A. The device utilizes an ultra-thin SOT1061 leadless small Surface-Mounted Device plastic package, featuring exposed solderable side pads for enhanced thermal performance. It is qualified to the AEC-Q101 standard for automotive applications.

Single Bipolar Transistors Feature Summary

• High current capability suitable for medium power switching
• Leadless very small SMD plastic package with visible and solderable side pads
• Exposed heat sink design for excellent thermal and electrical conductivity
• Qualified to AEC-Q101 automotive standards

Single Bipolar Transistors Applications

• Linear voltage regulators
• High-side switches
• Battery-driven devices
• Power management circuits
• MOSFET drivers

Single Bipolar Transistors Procurement Notes

Verify the specific suffix configuration against official Nexperia documentation to ensure correct binning and packaging specifications. Confirm that the AEC-Q101 qualification aligns with target automotive reliability requirements. Cross-reference the SOT1061 footprint dimensions during PCB layout finalization to guarantee proper solder joint integrity and thermal dissipation pathways.

Single Bipolar Transistors Selection Notes

Select this component when a compact PNP solution is required for high-side switching or linear regulation in space-constrained designs. The exposed pad architecture offers superior thermal handling compared to traditional packages. Ensure the 60 V rating meets circuit voltage headroom needs and verify compatibility with available gain selections for the intended amplification or switching application.

Single Bipolar Transistors Part Context

This part belongs to the BC5xPAS series of NPN and PNP medium power transistors designed for modern surface-mount applications. The series replaces larger legacy packages with the DFN2020D-3 form factor, reducing PCB area while maintaining robust current handling capabilities. It serves as a direct complement to the BC52PA series within Nexperia's portfolio.

Single Bipolar Transistors Replacement Considerations

The BC52PA-QX is the verified NPN complement within the same family. For pin-compatible alternatives, evaluate other manufacturers offering SOT1061 packaged PNP transistors with matching 60 V and 1 A ratings.