STMicroelectronics 2N3055 Power Transistor
The 2N3055 is a widely recognized and robust power transistor from STMicroelectronics, one of the leading manufacturers in the semiconductor industry. This versatile NPN transistor is designed for general-purpose switching and amplifier applications. It has been a staple component in various power and audio applications due to its reliability and efficiency.
Key Features:
- Voltage and Power Handling: The 2N3055 can handle collector-emitter voltages up to 60V and collector currents up to 15A, making it suitable for moderate power applications. It also boasts a total power dissipation of 115W, allowing it to handle significant power without overheating.
- High Current Gain: With a DC current gain (hFE) of 20 to 70 at a collector current of 4A, the 2N3055 ensures a high level of amplification in various circuit configurations.
- Robust Construction: Housed in a TO-3 metal case, the 2N3055 is built to withstand tough conditions and provides excellent thermal conductivity, ensuring a long operational life even in demanding environments.
- Complementary PNP Transistor: For applications requiring a complementary PNP transistor, the MJ2955 offers a perfect match for the 2N3055, enabling the creation of push-pull amplifier designs and other complementary circuits.
Applications:
The 2N3055 transistor finds its use in a variety of applications, including:
- Linear power regulators and converters
- Power amplifiers
- Switching circuits
- Motor controls
- Series and shunt regulators
Technical Specifications:
Parameter
Value
Collector-Emitter Voltage (VCEO)
60V
Collector Current (IC)
15A
Total Power Dissipation (Ptot)
115W
DC Current Gain (hFE)
20 - 70
Package Type
TO-3
Whether you're designing a power supply, constructing an audio amplifier, or working on motor control circuits, the 2N3055 from STMicroelectronics offers reliability and performance that engineers and hobbyists alike have trusted for years.
