BST51,115

Single Bipolar Transistors Overview

The BST51,115 is an NPN Darlington bipolar junction transistor manufactured by Nexperia USA Inc. It is housed in a surface-mount SOT-89 (TO-243AA) package with three pins. The device supports a collector-emitter voltage of 60 V and a maximum continuous collector current of 1 A. It features a power dissipation rating of 1.3 W and a transition frequency of 200 MHz. The component operates within a junction temperature range up to 150°C and meets the AEC-Q101 automotive qualification standard.

Single Bipolar Transistors Feature Summary

• High current gain capability suitable for amplification applications
• Automotive-grade reliability compliant with AEC-Q101 standards
• Surface-mount design optimized for compact PCB layouts

Single Bipolar Transistors Applications

• Automotive electronic systems requiring robust switching
• General-purpose signal amplification circuits
• Industrial control modules utilizing high-gain stages

Single Bipolar Transistors Procurement Notes

Verify the specific ordering code suffix to ensure correct packaging configuration. Confirm that the delivered components match the AEC-Q101 qualification requirements for your target application. Check datasheet revisions for any updates to thermal or electrical limits before finalizing the design.

Single Bipolar Transistors Selection Notes

Select this component when a high-current NPN Darlington transistor is required in a small surface-mount footprint. Ensure the operating voltage does not exceed 60 V and that the thermal management strategy can handle 1.3 W dissipation. Consider the 200 MHz transition frequency for speed requirements.

Single Bipolar Transistors Part Context

This part belongs to Nexperia's portfolio of single bipolar transistors designed for general-purpose and automotive use. The SOT-89 package provides a balance between power handling and board space efficiency compared to larger through-hole options.

Single Bipolar Transistors Replacement Considerations

Direct substitutes must match the NPN Darlington type, 60V rating, 1A current capacity, and SOT-89 package. Verify pinout compatibility and thermal characteristics before substitution.