2SA07770R

Single Bipolar Transistors Overview

The Panasonic 2SA0777 is a silicon PNP epitaxial planar transistor designed for low-frequency driver amplification. It features an absolute maximum collector-emitter voltage of -80 V and a collector current rating of -0.5 A. The device provides a forward current transfer ratio (hFE) ranging from 90 to 220 depending on the operating condition, with a transition frequency of 120 MHz. It is housed in a TO-92L-A1 package and is intended as a complementary component to the 2SC1509 NPN transistor.

Single Bipolar Transistors Feature Summary

• Optimized for use as a driver stage in low-frequency audio output amplifiers
• High collector-emitter voltage capability suitable for standard amplifier circuits
• Complementary pairing available with the 2SC1509 NPN transistor

Single Bipolar Transistors Applications

• Low-frequency driver amplification stages
• Audio output amplifier circuits
• General-purpose switching applications

Single Bipolar Transistors Procurement Notes

Verify the specific hFE rank (Q or R) required for your circuit design against the datasheet specifications. Confirm the package type matches your PCB footprint requirements. Check the official manufacturer website for the most current lifecycle status, as this component may be subject to planned maintenance or discontinuation phases.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with high voltage tolerance is needed for low-frequency signal driving. Ensure the thermal management strategy accommodates the 1 W power dissipation limit at room temperature. Verify that the base current requirements align with the saturation voltage characteristics provided in the electrical data tables.

Single Bipolar Transistors Part Context

This part belongs to the family of discrete silicon transistors manufactured by Panasonic Electronic Components. It utilizes an epitaxial planar process technology. The device is specifically engineered to complement the 2SC1509 NPN transistor, allowing for balanced push-pull configurations in amplifier designs.

Single Bipolar Transistors Replacement Considerations

Consult the official Panasonic semiconductor database for verified substitute part numbers. Do not assume direct pin-compatible replacements without verifying electrical parameters and package dimensions.