BCP53H-QX

Overview

The BCP53H-QX is a PNP medium power transistor manufactured by Nexperia, housed in an SOT-223 (SC-73) surface-mount package. It supports a maximum collector current of 1 A and withstands a collector-emitter voltage of 80 V. The device features a high power dissipation capability of 2.2 W and operates within a temperature range of -55 °C to +175 °C. Key electrical parameters include a collector-base voltage of 100 V, an emitter-base voltage of 7 V, and a saturation voltage of 500 mV. The transition frequency is rated at 140 MHz, with a DC current gain maximum of 250.

Feature Summary

• Qualified for automotive applications under the AEC-Q101 standard
• Capable of high-temperature operation up to 175 °C
• Designed for high collector current and high power dissipation

Applications

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

Procurement Notes

Verify the specific suffix 'QX' against official Nexperia documentation to confirm it denotes AEC-Q101 qualification and extended temperature range capabilities. Ensure the ordering part number matches the exact electrical specifications required for the target application. Confirm RoHS compliance status through the manufacturer's latest product data sheet before finalizing procurement.

Selection Notes

Select this component for designs requiring robust PNP switching or amplification in space-constrained environments utilizing the SOT-223 footprint. Consider its 175 °C thermal rating for high-temperature industrial or automotive contexts. Evaluate the 1 A current limit and 2.2 W power dissipation against the circuit's peak load requirements to ensure reliable long-term operation without exceeding thermal limits.

Part Context

This component belongs to the BCP53H series of medium power transistors from Nexperia. The series includes variants such as the BCP53-16H and BCP53-10H, which share the same SOT-223 package but differ in current gain groupings. The BCP53H-QX specifically targets automotive-grade reliability standards while maintaining the performance characteristics of the broader medium-power transistor family.

Replacement Considerations

The NPN complement for this device is the BCP56H. Engineers should verify that any substitute part maintains identical pinout configurations and meets the specific AEC-Q101 qualification requirements if automotive usage is intended.