2SC39390RA

Single Bipolar Transistors Overview

The Panasonic 2SC3939 is a silicon NPN epitaxial planar transistor designed for low-frequency driver amplification. It features an 80 V collector-emitter voltage rating and a continuous collector current of 0.5 A, with a peak capability of 1 A. The device provides a forward current transfer ratio (hFE) ranging from 130 to 330 depending on the rank classification. It operates within a junction temperature range up to 150 °C and utilizes a TO-92NL-A1 package.

Single Bipolar Transistors Feature Summary

• Optimized for use as a driver stage in low-frequency audio power amplifiers
• High collector-emitter breakdown voltage suitable for demanding amplifier loads
• Low collector-emitter saturation voltage for efficient switching performance
• Compatible with radial taping for automated insertion processes

Single Bipolar Transistors Applications

• Driver stages for low-frequency output amplifiers
• General-purpose low-frequency amplification circuits
• Complementary pairing with 2SA1533 PNP transistors

Single Bipolar Transistors Procurement Notes

Verify the specific hFE rank required for your circuit design, as the component is classified into Rank R or S based on gain thresholds. Confirm the package type matches your board layout requirements. Check the manufacturer's official lifecycle status page for the most current availability information regarding maintenance or discontinuation plans.

Single Bipolar Transistors Selection Notes

Select this component when a high-voltage NPN driver is needed for low-frequency applications. Ensure the thermal management strategy accommodates the 1 W power dissipation limit at elevated ambient temperatures. Verify that the complementary PNP transistor meets the matching requirements for push-pull configurations.

Single Bipolar Transistors Part Context

This component belongs to the Panasonic 2SC series of small-signal and medium-power bipolar junction transistors. It is specifically engineered for audio frequency applications where moderate current handling and high voltage ratings are necessary. The device serves as a standard solution for driving output stages in consumer electronics and general-purpose equipment.

Single Bipolar Transistors Replacement Considerations

The datasheet identifies the 2SA1533 as the complementary PNP transistor for matched operation. No other direct substitute part numbers are documented in the provided source material.