2N2222

Single Bipolar Transistors Overview

The onsemi 2N2222 is an NPN silicon planar epitaxial switching transistor designed for general-purpose applications. It features a collector-emitter voltage (VCEO) of 40 V and a collector-base voltage (VCBO) of 75 V, with a maximum continuous collector current of 600 mA. The device offers a DC current gain (hFE) ranging from 100 to 300 at a collector current of 150 mA. It operates within a temperature range of -65°C to +175°C and has a power dissipation rating of 500 mW.

Single Bipolar Transistors Feature Summary

• NPN silicon planar epitaxial construction
• High-speed switching capability
• Wide operating temperature range

Single Bipolar Transistors Applications

• General-purpose switching circuits
• Amplifier stages
• Driver circuits

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer and package type when sourcing, as the 2N2222 designation is used by multiple vendors including onsemi, STMicroelectronics, and others. Confirm RoHS compliance status and datasheet revision to ensure compatibility with design requirements. Check for any specific military or commercial grade distinctions if applicable.

Single Bipolar Transistors Selection Notes

Select this component for low-power switching and amplification tasks requiring standard NPN characteristics. Ensure the thermal management strategy supports the 500 mW power dissipation limit. Compare hFE ranges and switching speeds against alternative transistors like the 2N2222A if tighter gain tolerances are needed.

Single Bipolar Transistors Part Context

The 2N2222 is a widely recognized standard NPN transistor often compared to the 2N2222A. While similar in function, the 2N2222A typically specifies higher minimum hFE values. The onsemi version provides a reliable option for general electronics projects and industrial control systems where robust switching performance is required.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include the 2N2222A, BC547, and 2N3904, though pinouts and electrical limits may vary slightly. Verify that replacement parts meet the same voltage and current ratings.