BC33840BU

Single Bipolar Transistors Overview

The BC33840BU is an NPN silicon bipolar junction transistor (BJT) manufactured by onsemi. It features a maximum collector-emitter voltage of 50 V and a continuous collector current of 1 A. The device operates in a TO-92-3 through-hole package with a power dissipation rating of 625 mW. Key electrical characteristics include a collector-base voltage of 60 V, an emitter-base voltage of 5 V, and a transition frequency of 100 MHz. The DC current gain ranges from 100 to 250.

Single Bipolar Transistors Feature Summary

• NPN polarity configuration for signal amplification and switching applications
• High current handling capability up to 1 A for general-purpose use
• Through-hole mounting compatibility via standard TO-92-3 leaded package

Single Bipolar Transistors Applications

• General-purpose amplifier circuits
• Switching applications requiring moderate current levels
• Audio pre-amplifier stages

Single Bipolar Transistors Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm exact binning and electrical tolerances. Ensure the component matches the required voltage and current ratings for the target circuit design. Cross-reference datasheet revisions to confirm pinout consistency and material compliance status before integration into production.

Single Bipolar Transistors Selection Notes

Select this component when an NPN transistor with 1 A current capacity and 50 V breakdown voltage is required. Compare against alternative series members based on specific hFE binning requirements. Consider thermal management needs given the 625 mW power dissipation limit in the TO-92 package for high-duty cycle operations.

Single Bipolar Transistors Part Context

This part belongs to the BC338 family of small-signal NPN transistors. It shares similar physical packaging and basic operational principles with other variants in the series, differentiated primarily by their specific gain groupings and voltage ratings. The BC338 series is widely recognized for general-purpose electronic applications.

Single Bipolar Transistors Replacement Considerations

BC338-40

Single Bipolar Transistors FAQ

What is the maximum collector current for the BC33840BU?

The maximum continuous collector current is 1 A.

Does the BC33840BU support surface mount installation?

No, it utilizes a TO-92-3 package designed for through-hole mounting.

What is the transition frequency of this transistor?

The transition frequency is specified as 100 MHz.