2N2905 PNP Switching Transistor TO-39 Metal Package

2N2905 PNP Switching Transistor TO-39 Metal Package.

The 2N2905 is a PNP general-purpose transistor designed for switching and low-power amplification applications.
It provides reliable performance, moderate gain, and stable operation, making it suitable for analog and digital circuits.
Housed in a TO-39 metal package, it offers excellent thermal dissipation, mechanical durability, and long-term reliability, ideal for hobby, educational, and industrial electronics.

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Features

• PNP Bipolar Junction Transistor (BJT) – suitable for switching and small-signal amplification
• TO-39 Metal Package: Durable, thermally efficient, and robust
• Collector-Emitter Voltage (Vce): Typically 30V
• Collector Current (Ic): Up to 600mA
• Moderate Gain (hFE): Efficient for low-power amplification
• Reliable & Stable: Performs consistently under varying loads and temperatures
• Fast Switching: Suitable for control and digital circuits
• RoHS Compliant: Lead-free and environmentally safe

Applications

• Switching circuits – low- to medium-current control
• Small-signal amplification – audio, instrumentation, and analog circuits
• Relay and solenoid drivers – moderate-current switching
• Oscillator and timer circuits – stable waveform generation
• Sensor interfaces – low-power signal control
• Hobby, educational, and DIY electronics – versatile and convenient
• Replacement for legacy circuits – reliable and compatible

2n2905-transistor-datasheet