BC33725BU

Single Bipolar Transistors Overview

The BC33725BU is an NPN silicon epitaxial planar transistor manufactured by onsemi. It features a maximum collector-emitter voltage of 45 V and a continuous DC collector current of 0.8 A. The device operates within a temperature range of -55 °C to +150 °C junction temperature. It utilizes a TO-92-3 through-hole package with a power dissipation rating of 625 mW. The component provides a DC current gain (hFE) ranging from 160 to 400, ensuring reliable amplification performance for general-purpose switching and linear applications.

Single Bipolar Transistors Feature Summary

• NPN silicon epitaxial construction for stable operation
• High DC current gain range for effective signal amplification
• Robust thermal handling capability up to 150 °C junction temperature
• Standardized TO-92-3 through-hole mounting configuration

Single Bipolar Transistors Applications

• General-purpose amplifier circuits
• Switching applications in consumer electronics
• Driver stages for low-power loads

Single Bipolar Transistors Procurement Notes

Verify the specific hFE binning classification required for the application, as the BC33725BU designation indicates a gain range of 160 to 400. Confirm that the TO-92-3 bulk packaging aligns with assembly requirements. Ensure compliance with RoHS directives if applicable to the target market. Cross-reference datasheet electrical characteristics against circuit design limits to prevent overstress conditions during procurement.

Single Bipolar Transistors Selection Notes

Select this component when a moderate current capacity of 0.8 A and a 45 V breakdown voltage are sufficient for the design. The specified hFE range suits applications requiring predictable gain without tight binning constraints. Consider the TO-92-3 package size for prototyping or low-volume production where surface-mount alternatives are not mandatory. Evaluate thermal management needs given the 625 mW dissipation limit in free air.

Single Bipolar Transistors Part Context

This part belongs to the BC337 series of NPN transistors, widely used in analog and digital circuits. The '25' suffix typically denotes the specific current gain grouping. It serves as a complement to PNP devices like the BC327 series. The TO-92-3 package remains a standard form factor for through-hole implementations in educational and industrial modules.

Single Bipolar Transistors Replacement Considerations

• BC337-25G
• BC337ABU

Single Bipolar Transistors FAQ

What is the DC current gain range for the BC33725BU?

The BC33725BU has a DC current gain (hFE) range of 160 to 400 at specified test conditions.

Is the BC33725BU suitable for high-frequency applications?

While it has a transition frequency (fT) of approximately 100 MHz, it is primarily designed for general-purpose audio and low-frequency switching rather than high-speed RF applications.