2SC4793,YHF(J

Single Bipolar Transistors Overview

The Toshiba 2SC4793 is a silicon NPN epitaxial planar power transistor designed for high-frequency applications. It features a maximum collector-emitter voltage of 230 V and a continuous collector current rating of 1 A. The device achieves a typical transition frequency (fT) of 100 MHz at 100 mA, supporting driver stage and power amplifier functions. Thermal management allows for 2 W dissipation in free air and up to 20 W with a heatsink at 25°C case temperature. The component utilizes a TO-220F package.

Single Bipolar Transistors Feature Summary

• High transition frequency capability suitable for RF amplification
• Complementary pairing available with the 2SA1837 PNP transistor
• Robust thermal performance with elevated power dissipation under heatsink mounting

Single Bipolar Transistors Applications

• Power amplifier circuits
• Driver stage amplifiers

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix against the official Toshiba datasheet to confirm lead plating specifications and packaging type. Confirm RoHS compliance status directly with the manufacturer or authorized distributor prior to procurement. Ensure the selected variant matches the required thermal and electrical ratings for the intended design environment.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring high-voltage handling combined with significant bandwidth. The 230 V breakdown voltage accommodates high supply rails, while the 100 MHz transition frequency supports audio and intermediate frequency stages. Consider the complementary 2SA1837 for push-pull configurations requiring matched characteristics.

Single Bipolar Transistors Part Context

This part belongs to the Toshiba discrete semiconductor family of NPN power transistors. It is engineered for general electronics applications including consumer equipment and industrial control systems. The device adheres to standard JEDEC mechanical outlines for through-hole mounting.

Single Bipolar Transistors Replacement Considerations

The 2SA1837 serves as the designated complementary PNP counterpart for balanced circuit designs. Verify pinout compatibility and thermal resistance values when substituting equivalent parts from other manufacturers.

Single Bipolar Transistors FAQ

What is the typical transition frequency of the 2SC4793?

The typical transition frequency (fT) is 100 MHz when measured at a collector current of 100 mA and a collector-emitter voltage of 10 V.

Is the 2SC4793 compatible with the 2SA1837?

Yes, the 2SC4793 is explicitly documented as complementary to the 2SA1837 PNP transistor.

What is the maximum collector-base voltage rating?

The absolute maximum collector-base voltage (VCBO) rating is 230 V.