BC53PAST-QX

Single Bipolar Transistors Overview

The BC53PAST-QX is a PNP medium-power bipolar junction transistor manufactured by Nexperia USA Inc. It features an 80 V collector-emitter voltage and a 1 A continuous collector current capability. The device utilizes a DFN2020D-3 (SOT-1061D) surface-mount package with a thermal pad for efficient heat dissipation, supporting up to 420 mW power dissipation. Designed for automotive reliability, it holds AEC-Q101 qualification. Key electrical parameters include a transition frequency of 145 MHz and a maximum DC current gain of 250.

Single Bipolar Transistors Feature Summary

• AEC-Q101 qualified for automotive application reliability
• Compact DFN2020D-3 package with exposed thermal pad
• High collector current capability of 1 A
• Suitable for high-side switching and linear regulation

Single Bipolar Transistors Applications

• Linear voltage regulators
• MOSFET drivers
• High-side switches
• Power management circuits
• Amplifiers

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'QX' against official Nexperia documentation to confirm AEC-Q101 automotive qualification status and tape-and-reel packaging specifications. Ensure the ordering part number matches the required gain binning and package variant. Cross-reference the manufacturer's latest datasheet for any recent product change notifications or pinout updates before finalizing procurement.

Single Bipolar Transistors Selection Notes

Select this component when a compact footprint with robust thermal performance is required for automotive-grade PNP switching applications. The DFN2020D-3 package offers superior thermal conductivity compared to standard plastic packages. Consider the 80 V rating and 1 A current capacity to ensure adequate headroom for load requirements in linear regulator or driver topologies.

Single Bipolar Transistors Part Context

This component belongs to the BC5xPAS-Q series of medium-power PNP transistors designed specifically for automotive environments. The series shares a common ultra-thin DFN2020D-3 package family but varies in voltage ratings. The BC53PAST-QX represents the 80 V variant within this lineup, complementing lower voltage options like the BC51PAS-Q and BC52PAS-Q.

Single Bipolar Transistors Replacement Considerations

Official substitutes within the same automotive-qualified DFN2020D-3 family include BC51PAS-QX and BC52PAS-QX, provided their respective voltage ratings meet circuit requirements. Verify that alternative parts maintain the same 1 A current capability and thermal characteristics.