BC 817-25W E6433

Single Bipolar Transistors Overview

The BC817-25W E6433 is an NPN silicon small-signal bipolar junction transistor (BJT) manufactured by Infineon Technologies. It is housed in a surface-mount SOT-323-3 package and belongs to the BC817K series. The device supports a maximum collector current of 500 mA and a collector-emitter voltage of 45 V, with a power dissipation rating of 250 mW. Key electrical characteristics include a transition frequency of 170 MHz and a DC current gain range from 160 to 400 at 100 mA. It operates within a temperature range of -65°C to +150°C and meets AEC-Q100 automotive qualification standards.

Single Bipolar Transistors Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for robust performance in demanding environments.
• High-frequency operation capability enabled by a 170 MHz transition frequency suitable for audio and general-purpose switching applications.
• Compact SOT-323-3 surface-mount packaging designed for efficient space utilization in modern electronic circuits.

Single Bipolar Transistors Applications

• General-purpose amplification in consumer electronics
• Switching applications in automotive control modules
• Audio signal processing circuits

Single Bipolar Transistors Procurement Notes

Verify component authenticity through authorized distribution channels due to potential availability constraints. Confirm specific binning requirements for current gain and saturation voltage prior to integration. Ensure compliance with RoHS directives and REACH regulations for intended market deployment. Validate package markings against official datasheet specifications to prevent counterfeit substitution during assembly.

Single Bipolar Transistors Selection Notes

Select this component when automotive qualification and compact form factors are required. Compare thermal resistance values against PCB layout capabilities to ensure adequate heat dissipation within the 250 mW limit. Evaluate hFE binning options to match circuit sensitivity requirements. Consider alternative packages if higher power dissipation or different pin configurations are necessary for the design.

Single Bipolar Transistors Part Context

This part belongs to the BC817K family of NPN transistors produced by Infineon Technologies. It shares core electrical parameters with other variants in the series but differs in packaging and specific gain binning. The BC817K designation indicates automotive-grade screening and specific manufacturing tolerances compared to standard commercial grade equivalents.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include BC817-25W H6327 and BC817K25WH6327. Verify pinout compatibility and thermal characteristics before substituting with generic NPN transistors from other manufacturers.