2SC4953

Single Bipolar Transistors Overview

The Panasonic 2SC4953 is a silicon NPN triple diffusion planar power transistor designed for high breakdown voltage and high-speed switching applications. It features a collector-emitter voltage of 400 V, a continuous collector current of 3 A, and a peak collector current of 6 A. The device operates with a maximum collector dissipation of 30 W at 25°C and supports junction temperatures up to 150°C. Packaged in a TO-220D-A1 housing, it offers a wide safe operating area and dielectric package breakdown exceeding 5 kV.

Single Bipolar Transistors Feature Summary

• High-speed switching capability
• High collector-base voltage rating
• Wide safe operation area
• Satisfactory linearity of forward current transfer ratio

Single Bipolar Transistors Applications

• High breakdown voltage switching circuits
• General electronic equipment
• Office equipment
• Communications equipment
• Measuring instruments

Single Bipolar Transistors Procurement Notes

Verify the specific lifecycle status before procurement, as this component may be classified under maintenance or discontinued stages. Confirm that the latest Product Standards align with design requirements. Ensure compliance with RoHS directives and observe export control regulations if applicable. Consult official sales channels for availability updates.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring robust high-voltage handling and fast switching speeds. Evaluate thermal management needs carefully, as the 30 W dissipation rating depends on case temperature conditions. Ensure base drive currents meet the specified saturation requirements for optimal performance within the guaranteed safe operating area limits.

Single Bipolar Transistors Part Context

This part belongs to the Panasonic Power Transistors series, specifically utilizing silicon NPN triple diffusion planar technology. It is engineered for general-purpose electronic equipment where reliability and standard application performance are prioritized over specialized industrial or automotive environments.

Single Bipolar Transistors Replacement Considerations

Consult official documentation for verified substitute part numbers. Cross-referencing should strictly adhere to manufacturer-approved equivalents to ensure compatibility with voltage, current, and package specifications.

Single Bipolar Transistors FAQ

What is the maximum collector-emitter voltage?

The maximum collector-emitter voltage (VCEO) with the base open is 400 V.

Does the package provide electrical isolation?

Yes, the package has a dielectric breakdown voltage greater than 5 kV.

What is the transition frequency?

The transition frequency (fT) is typically 10 MHz when measured at VCE = 10 V, IC = 0.2 A, and f = 1 MHz.