BC51-16PAS-QX

Single Bipolar Transistors Overview

The BC51-16PAS-QX is a PNP medium power transistor from the Nexperia BC51XPAS-Q series, housed in an ultra-thin DFN2020D-3 (SOT1061D) leadless SMD plastic package. It features a collector-emitter voltage (VCEO) of -45 V and a continuous collector current (IC) of -1 A, with a peak pulse current (ICM) of -2 A. The device offers a DC current gain (hFE) range of 100 to 250 at IC = -150 mA and VCE = -2 V. Key electrical parameters include a collector-base voltage (VCBO) of -45 V, emitter-base voltage (VEBO) of -5 V, and a transition frequency (fT) of 145 MHz. Total power dissipation reaches up to 1.65 W depending on PCB mounting conditions.

Single Bipolar Transistors Feature Summary

• High collector current capability for medium power applications
• Exposed heat sink providing excellent thermal and electrical conductivity
• Leadless small SMD package with visible solderable side pads suitable for AOI
• Qualified according to AEC-Q101 standards for automotive reliability

Single Bipolar Transistors Applications

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

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'QX' against the manufacturer's official ordering information to confirm packaging details such as reel size or tape-and-reel specifications. Ensure the design accounts for the DFN2020D-3 footprint dimensions and thermal pad requirements. Confirm that the application environment stays within the specified junction temperature limits of -55 °C to +150 °C. Cross-reference the marking code 'C6' for visual identification during assembly inspection.

Single Bipolar Transistors Selection Notes

Select this component when a compact PNP transistor with high current handling and low profile is required. The BC51-16PAS-Q variant provides a guaranteed minimum hFE of 100, distinguishing it from other gain selections in the series. Consider the exposed thermal pad design for efficient heat dissipation in space-constrained PCB layouts. Verify compatibility with automatic optical inspection processes due to the wettable flank package design.

Single Bipolar Transistors Part Context

This part belongs to the BC51XPAS-Q series of PNP medium power transistors designed for surface-mount technology. The series utilizes the DFN2020D-3 package to minimize PCB area while maintaining robust power capabilities. It is engineered for applications requiring reliable performance in automotive and industrial environments, supported by AEC-Q101 qualification.

Single Bipolar Transistors Replacement Considerations

Direct substitutes within the same series include BC51PAS-Q and BC51-10PAS-Q, which share the same package and pinout but differ in DC current gain specifications. Ensure the replacement meets the required hFE range for the specific circuit design.

Single Bipolar Transistors FAQ

What is the marking code for the BC51-16PAS-Q?

The marking code for the BC51-16PAS-Q is C6.

Is the BC51-16PAS-Q qualified for automotive applications?

Yes, the device is qualified according to the AEC-Q101 standard and is recommended for use in automotive applications.

What is the maximum peak collector current for single pulses?

The maximum peak collector current (ICM) is -2 A for single pulses with a duration tp ≤ 1 ms.