PMST5550,115

Single Bipolar Transistors Overview

The PMST5550,115 is an NPN high-voltage transistor manufactured by Nexperia USA Inc., housed in a compact SOT-323 (SC-70) surface-mount package. It supports a maximum collector-emitter voltage of 140 V and a continuous collector current of 300 mA. The device features a DC current gain (hFE) minimum of 60 at 1 mA and a transition frequency of 100 MHz. Total power dissipation is rated at 200 mW with a junction temperature limit of 150 °C. Collector-base breakdown voltage reaches 160 V, while emitter-base voltage is limited to 6 V.

Single Bipolar Transistors Feature Summary

• High voltage capability for demanding circuit environments
• Compact SOT-323 plastic surface-mounted package design
• Low current operation suitable for signal processing

Single Bipolar Transistors Applications

• Switching applications in telephony systems
• Amplification in high voltage circuits
• General purpose signal processing

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix matches the required packaging configuration before purchase. Confirm that the product status aligns with project timelines, as automotive qualification status may differ from standard production versions. Ensure compliance with RoHS3 specifications and check export control classifications if applicable to the destination region.

Single Bipolar Transistors Selection Notes

Select this component when space constraints require a small SMD footprint alongside moderate voltage handling capabilities. Consider the thermal resistance characteristics for PCB layout planning to ensure adequate heat dissipation within the 200 mW power limit. Evaluate the transition frequency against signal requirements to confirm suitability for the intended operating speed.

Single Bipolar Transistors Part Context

This part belongs to the PMST5550 family of NPN transistors designed for high-voltage applications. It utilizes the SC-70 physical outline, providing a standardized interface for automated assembly processes. The device represents a solution for integrating switching and amplification functions in compact electronic designs without requiring larger through-hole components.

Single Bipolar Transistors Replacement Considerations

Consult official Nexperia documentation for qualified alternative part numbers. Verify pin compatibility and electrical parameter equivalence before substituting any other manufacturer's components.