2N3019 NPN Silicon Planar Transistor TO-39 Metal Package

2N3019 NPN Silicon Planar Transistor TO-39 Metal Package

The 2N3019 is a general-purpose NPN silicon planar transistor designed for medium-power amplification and switching applications.
It features robust performance, stable gain, and reliable operation, making it suitable for analog and digital circuits.
Encased in a TO-39 metal package, it provides excellent thermal dissipation, mechanical durability, and long-term reliability, ideal for hobby, educational, and industrial electronics.

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Features

• NPN Bipolar Junction Transistor (BJT) – suitable for medium-power amplification and switching
• Silicon Planar Construction: Stable performance and low leakage
• TO-39 Metal Package: Durable, thermally efficient, and robust
• Collector-Emitter Voltage (Vce): Typically 50V
• Collector Current (Ic): Up to 1A
• Moderate Gain (hFE): Efficient for amplification and control
• Reliable & Stable: Performs consistently under varying loads and temperatures
• RoHS Compliant: Lead-free and environmentally safe

Applications

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

2n3019-transistor-datasheet