BC55-10PA,115

Single Bipolar Transistors Overview

The BC55-10PA,115 is an NPN medium power transistor from the Nexperia BC55PA series, housed in a leadless SOT1061 (DFN2020D-3) plastic package. It supports a collector current of 1 A and peak current of 2 A, with a collector-emitter voltage rating of 60 V. The device features a DC current gain (hFE) range of 63 to 160 at IC = 150 mA and VCE = 2 V. Key electrical parameters include a transition frequency (fT) of 180 MHz, collector-emitter saturation voltage of 0.5 V max, and total power dissipation up to 0.42 W at 25 °C ambient temperature.

Single Bipolar Transistors Feature Summary

• High collector current capability supporting continuous operation at 1 A and pulsed peaks up to 2 A.
• Exposed heatsink design providing excellent thermal and electrical conductivity for efficient heat dissipation.
• Leadless ultra-thin small outline package reduces printed-circuit board area requirements while maintaining medium power handling.
• Specific current gain selection ensures predictable performance within defined hFE limits for circuit consistency.

Single Bipolar Transistors Applications

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

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix

Single Bipolar Transistors Selection Notes

Select this component when space-constrained designs require medium power handling in a leadless package. The BC55-10PA variant offers a tighter current gain spread compared to the standard BC55PA, ensuring more consistent amplification characteristics. Ensure thermal management strategies account for the exposed pad requirement to maximize power dissipation capabilities on the target PCB layout.

Single Bipolar Transistors Part Context

This part belongs to the Nexperia BC55PA series of NPN medium power transistors. It serves as the complement to the PNP BC52-10PA device. The series utilizes the SOT1061 package, which is designed for surface-mount applications requiring high thermal efficiency in a minimal footprint. The product line includes variants with different current gain selections to suit various amplifier and switching requirements.

Single Bipolar Transistors Replacement Considerations

The BC52-10PA is the PNP complement within the same series. For direct replacement, verify that the substitute matches the SOT1061 package dimensions and thermal pad configuration. Ensure the alternative device meets or exceeds the 60 V voltage rating and 1 A current capacity specified for the original application.

Single Bipolar Transistors FAQ

What is the marking code for the BC55-10PA?

The marking code for the BC55-10PA is BH.

How does the current gain of the BC55-10PA differ from the BC55PA?

The BC55-10PA has a DC current gain range of 63 to 160, whereas the standard BC55PA ranges from 63 to 250 under similar test conditions.

Is the BC55-10PA automotive qualified?

No, according to the Rev. 10 data sheet, this product is not automotive qualified. Automotive alternatives are available separately.