2SC4793(LBSAN,F,M)

Single Bipolar Transistors Overview

The Toshiba 2SC4793 is a silicon NPN epitaxial planar transistor designed for power amplifier applications. It features a collector-emitter voltage of 230 V and a maximum collector current of 1 A. The device exhibits a typical transition frequency of 100 MHz, making it suitable for high-frequency driver stages. It is housed in a TO-220F package with a thermal resistance allowing up to 20 W dissipation at 25°C case temperature.

Single Bipolar Transistors Feature Summary

• High transition frequency capability
• Complementary pairing with the 2SA1837 PNP transistor
• Designed for power amplifier and driver stage applications

Single Bipolar Transistors Applications

• Power amplifier circuits
• Driver stage amplifiers

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix (e.g., LBSAN, F, M) against the manufacturer's official documentation to confirm lead-free status or packaging variations. Confirm RoHS compliance directly with the supplier as requirements may vary by production batch and region. Ensure the component meets the intended environmental operating conditions specified in the reliability handbook.

Single Bipolar Transistors Selection Notes

Select this component when a high-voltage NPN transistor with significant current handling is required for audio or RF power amplification. Consider its complementary match with the 2SA1837 for push-pull configurations. Evaluate the thermal management requirements carefully, as the device relies on case mounting for optimal heat dissipation within its safe operating area limits.

Single Bipolar Transistors Part Context

This component belongs to the Toshiba 2SC series of bipolar junction transistors. These devices are engineered for general-purpose electronics, offering robust performance in consumer and industrial equipment. The 2SC4793 specifically targets applications requiring higher voltage ratings and transition frequencies compared to standard low-power signal transistors.

Single Bipolar Transistors Replacement Considerations

The datasheet explicitly identifies the 2SA1837 as the complementary PNP counterpart. For direct replacement, verify that substitute parts match the 230 V rating, 1 A current capacity, and TO-220F package dimensions to ensure mechanical and electrical compatibility.

Single Bipolar Transistors FAQ

What is the typical transition frequency of the 2SC4793?

The typical transition frequency (fT) is 100 MHz, measured under conditions of VCE = 10 V and IC = 100 mA.

Is the 2SC4793 suitable for use in medical instruments?

No. Toshiba restricts the use of this product from medical instruments and other safety devices requiring extraordinarily high quality and reliability.

What is the maximum collector-base voltage rating?

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