The 2N2955 is a silicon NPN power transistor manufactured by various companies, including UTC (Unisonic Technologies Co., Ltd.). It is designed for general-purpose switching and amplifier applications.

Applications

• Audio amplifiers
• Power supplies
• Motor control circuits
• Switching regulators
• General-purpose switching

Features

• NPN transistor
• High collector current capability
• Low saturation voltage
• High power dissipation
• TO-3 package

Benefits

• Versatile for various applications
• High output power capability
• Efficient switching and amplification
• Reliable performance
• Easy to mount with TO-3 package

Technical Specifications (Typical)

Typical specifications include:

• Collector-Emitter Voltage (V<sub>CEO): 60V
• Collector-Base Voltage (V<sub>CBO): 100V
• Emitter-Base Voltage (V<sub>EBO): 7V
• Collector Current (I<sub>C): 15A
• Total Power Dissipation (P<sub>D): 90W
• Operating Temperature Range: -65°C to +200°C

The 2N2955 is a robust transistor suitable for demanding power applications, offering a good balance of voltage, current, and power handling capabilities.