PBSS303ND-QX

Single Bipolar Transistors Overview

The PBSS303ND-QX is an NPN low VCEsat Breakthrough In Small Signal (BISS) transistor manufactured by Nexperia. It operates with a collector-emitter voltage of 60 V and a continuous collector current of 3 A, supporting peak currents up to 6 A. The device features a collector-emitter saturation resistance of 89 mΩ at 2 A. It is housed in a SOT457 (SC-74) TSOP-6 surface-mount package. The component supports junction temperatures up to 150 °C and includes thermal resistance values ranging from 50 K/W to 350 K/W depending on the PCB mounting configuration.

Single Bipolar Transistors Feature Summary

• Low collector-emitter saturation voltage for reduced heat generation
• High collector current capability with high gain at elevated currents
• Small Surface-Mounted Device plastic package requiring minimal PCB area

Single Bipolar Transistors Applications

• High-voltage DC-to-DC conversion
• High-voltage MOSFET gate driving
• Automotive applications
• Thin Film Transistor backlight inverters

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix against official Nexperia documentation to confirm packaging orientation and tape specifications. Confirm that the -QX designation aligns with automotive qualification requirements if applicable. Ensure compatibility with standard reflow or wave soldering profiles defined in the datasheet. Cross-reference the manufacturer's latest longevity program status before finalizing procurement plans.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring efficient switching with minimal conduction losses in compact spaces. Evaluate thermal management strategies based on the specific FR4 or ceramic PCB footprint used, as power dissipation varies significantly with pad size. Ensure base drive currents are sufficient to maintain low saturation voltages at maximum load conditions.

Single Bipolar Transistors Part Context

This device belongs to the BISS transistor family, designed to replace conventional transistors in space-constrained applications. It serves as the NPN complement to the PBSS303PD PNP variant. The technology utilizes silicon to achieve high efficiency and robust performance in industrial and consumer markets.

Single Bipolar Transistors Replacement Considerations

The PBSS303PD is the documented PNP complement within the same series. Verify pinout compatibility and polarity requirements when substituting. No other direct substitute part numbers are confirmed in the provided documentation.