PBSS4021PX,115

Single Bipolar Transistors Overview

The Nexperia PBSS4021PX,115 is a PNP low VCEsat Breakthrough In Small Signal (BISS) transistor housed in a SOT89 surface-mount package. It features a collector-emitter voltage of -20 V and a continuous collector current of -6.2 A. The device supports a peak collector current of -15 A for single pulses up to 1 ms. Key electrical parameters include a typical collector-emitter saturation resistance of 23 mΩ at -4 A and a transition frequency of 91 MHz.

Single Bipolar Transistors Feature Summary

• Very low collector-emitter saturation voltage
• High collector current capability
• High energy efficiency due to less heat generation
• AEC-Q101 qualified

Single Bipolar Transistors Applications

• Loadswitch
• Battery-driven devices
• Power management
• Charging circuits
• Power switches (e.g. motors, fans)

Single Bipolar Transistors Procurement Notes

Verify the component against the official Nexperia datasheet PBSS4021PX dated 3 July 2026. Confirm the marking code %6E matches the specific manufacturing site. Ensure the SOT89 package dimensions align with SC-62 standards. Check for RoHS compliance and AEC-Q101 qualification status required for automotive integration.

Single Bipolar Transistors Selection Notes

Select this PNP transistor when a low saturation voltage is critical for power efficiency. The BISS technology offers higher current gain at high currents compared to conventional transistors. Consider the SOT89 package for its thermal performance and smaller PCB area requirements relative to traditional packages.

Single Bipolar Transistors Part Context

This component belongs to the PBSS4021 series of low VCEsat transistors. The NPN complement is the PBSS4021NX. Both devices utilize Breakthrough In Small Signal technology to optimize performance in medium power applications requiring efficient switching and minimal heat dissipation.

Single Bipolar Transistors Replacement Considerations

The direct complementary counterpart is the PBSS4021NX.

Single Bipolar Transistors FAQ

What is the maximum peak collector current?

The maximum peak collector current is -15 A for a single pulse duration of 1 ms or less.

Is this component suitable for automotive applications?

Yes, the PBSS4021PX is qualified in accordance with the Automotive Electronics Council standard Q101.

What is the DC current gain range?

The minimum DC current gain (hFE) is 80, with typical values ranging from 150 to 425 depending on the collector current and temperature conditions.