2N2945AUB-Transistor PNP Power Amplifier Transistor in TO-220 Package by ON Semiconductor

2N2945AUB-Transistor Overview

The 2N2945AUB is a high-power PNP bipolar junction transistor designed for general-purpose amplification and switching applications. Engineered to handle collector currents up to 10A and collector-emitter voltages as high as 60V, it delivers robust performance in demanding industrial environments. Its TO-3 metal can package ensures excellent thermal dissipation and mechanical reliability, making it an ideal choice for power regulation, audio amplification, and motor control circuits. Sourcing specialists and engineers benefit from its durability and consistent electrical characteristics, supported by a well-documented datasheet. For comprehensive purchasing and technical details, visit Produttore di circuiti integrati.

2N2945AUB-Transistor Technical Specifications

2N2945AUB-Transistor Key Features

• Elevata capacità di corrente di collettore: Supports currents up to 10A, enabling high-power switching and amplification tasks reliably.
• Robust voltage ratings: With a collector-emitter voltage of 60V and collector-base voltage of 80V, it accommodates a wide range of industrial power levels.
• TO-3 metal can packaging: Ensures superior heat dissipation and mechanical strength, enhancing device longevity and operational stability.
• Ampio intervallo di temperatura operativa: Suitable for harsh environments with junction temperatures up to 200??C, making it ideal for rugged industrial applications.
• Moderate gain characteristics: DC current gain ranging from 20 to 70 allows predictable and stable amplification performance in analog circuitry.
• Low transition frequency: At 4MHz, it is optimized for low-frequency power applications rather than high-speed switching.

Applicazioni tipiche

• Power Amplification: Ideal for audio amplifiers and linear power supply output stages requiring high current and voltage handling capabilities.
• Switching Regulators: Suitable for use in voltage regulation circuits where robust switching with high load currents is necessary.
• Motor Control: Applied in DC motor drivers that demand reliable power transistors capable of sustained high current operation.
• Industrial Automation: Utilized in control systems requiring durable transistors to handle power switching under varying environmental conditions.

2N2945AUB-Transistor Advantages vs Typical Alternatives

This transistor offers a compelling balance of high current capacity and voltage tolerance with robust thermal management via its TO-3 package. Compared to typical plastic-encapsulated alternatives, it provides superior heat dissipation and mechanical reliability. Its moderate gain and low transition frequency ensure stable performance in power amplification and switching applications, making it a preferred choice where durability and consistent electrical behavior are critical. These advantages translate to longer service life and dependable operation in industrial and high-power scenarios.

2N2945AUB-Transistor Brand Info

The 2N2945AUB is a widely recognized transistor model originally popularized by manufacturers such as ON Semiconductor and Fairchild Semiconductor. It is part of a family of PNP power transistors