BC68-25PA-QX

Overview

The BC68-25PA-Q is an NPN medium power transistor from the Nexperia BC68PA-Q series, housed in a leadless SOT1061 (DFN2020-3) plastic package. It features a collector-emitter voltage of 20 V and a continuous collector current of 2 A, with a peak pulse current capability of 3 A. The device offers two DC current gain selections; the BC68-25PA-Q variant provides a minimum hFE of 160 at IC = 500 mA and VCE = 1 V. It includes an exposed heatsink for thermal management and is qualified according to AEC-Q101 standards.

Feature Summary

• High collector current capability supporting both continuous and pulsed operation
• Exposed heatsink design ensuring excellent thermal and electrical conductivity
• Qualified according to AEC-Q101 for automotive application suitability
• Leadless very small SMD plastic package with medium power handling

Applications

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

Procurement Notes

Verify the specific ordering suffix matches the required current gain bin, as the BC68-25PA-Q designation indicates a distinct hFE range compared to the standard BC68PA-Q. Confirm the package type is SOT1061 (DFN2020-3) and ensure the procurement channel sources directly from Nexperia or authorized distributors to guarantee AEC-Q101 qualification status. Check the latest datasheet revision for any updates to marking codes or thermal characteristics before finalizing orders.

Selection Notes

Select the BC68-25PA-Q when a higher minimum DC current gain is required compared to the standard BC68PA-Q variant. Ensure the application operates within the 20 V collector-emitter voltage limit and 2 A continuous current rating. Consider the SOT1061 package's thermal resistance values based on the specific PCB copper area and layer count to maintain junction temperature within the 150 °C maximum limit during high-power dissipation scenarios.

Part Context

This component belongs to the Nexperia BC68PA-Q series of NPN medium power transistors. The series utilizes the SOT1061 leadless DFN2020-3 package, designed to combine small form factor with robust power handling capabilities. The series is specifically engineered to meet automotive reliability standards through AEC-Q101 qualification, making it suitable for demanding environments where space and thermal performance are critical constraints.

Replacement Considerations

The BC68PA-Q serves as the base model within the same series but offers a different current gain selection range. Designers requiring the specific hFE characteristics of the BC68-25PA-Q should verify that the standard BC68PA-Q meets their circuit gain requirements. No other direct cross-model replacements are documented in the provided datasheet.

FAQ

What is the difference between BC68PA-Q and BC68-25PA-Q?

The primary difference lies in the DC current gain (hFE) selection. The BC68-25PA-Q specifies a minimum hFE of 160 at IC = 500 mA, whereas the standard BC68PA-Q has a lower minimum hFE of 85 under the same conditions.

Is the BC68-25PA-Q suitable for automotive applications?

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

What package type does the BC68-25PA-Q use?

It uses the SOT1061 package, which is a DFN2020-3 leadless very small Surface-Mounted Device (SMD) plastic package with an exposed heatsink.