2SC4449E-AA

Single Bipolar Transistors Overview

The 2SC4449E-AA is a single bipolar junction transistor manufactured by Sanyo. It is classified as a PNP device with a maximum collector-emitter voltage of 300 V and a continuous collector current rating of 50 mA. The component features a transition frequency of 70 MHz and a maximum power dissipation of 600 mW. It utilizes a through-hole 3-NP package configuration.

Single Bipolar Transistors Feature Summary

• High breakdown voltage capability for robust operation in high-voltage circuits
• Small reverse transfer capacitance supporting stable performance
• Excellent high-frequency characteristics suitable for RF applications
• Superior DC current gain ensuring efficient signal amplification

Single Bipolar Transistors Applications

• High-voltage switching circuits
• Radio frequency amplification stages
• General-purpose signal processing

Single Bipolar Transistors Procurement Notes

Verify the manufacturer origin, as sourcing channels may list this component under different corporate entities such as onsemi or Rochester Electronics due to historical acquisitions. Confirm the specific suffix designation matches the required electrical specifications and packaging type before finalizing procurement orders to ensure compatibility with design requirements.

Single Bipolar Transistors Selection Notes

Select this component when designing circuits requiring a PNP transistor with a 300 V collector-emitter voltage rating. Ensure the application demands a collector current within the 50 mA limit and operates within the 70 MHz frequency range. Verify that the thermal management strategy accommodates the 600 mW power dissipation capability inherent to the specified package style.

Single Bipolar Transistors Part Context

This part belongs to the Sanyo single bipolar transistor series, designed for general-purpose electronic applications. The 2SC4449 variant represents a triple diffused planar silicon transistor technology. Distribution networks often associate this specific model number with legacy Sanyo semiconductor product lines now managed by other corporate entities.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.