2N2222 NPN Bipolar Transistor TO-18 Metal Package

2N2222 NPN Bipolar Transistor TO-18 Metal Package

The 2N2222 is a popular NPN general-purpose transistor widely used for switching and low-to-medium power amplification.
With excellent current handling and fast switching capability, it provides reliable performance across a wide range of electronic circuits.
Housed in a TO-18 metal package, it offers robust thermal performance, mechanical durability, and long-term reliability, making it ideal for hobby, educational, and industrial applications.

Click here to view related products

Features

• NPN Bipolar Junction Transistor (BJT) – suitable for switching and amplification
• TO-18 Metal Package: Durable, thermally efficient, and robust
• Collector-Emitter Voltage: Typically 30V (standard rating)
• Collector Current: Up to 800mA
• High Gain (hFE): Reliable amplification for small to medium power signals
• Fast Switching Speed: Suitable for digital and control circuits
• Rugged & Stable: Performs reliably under various temperature and load conditions
• RoHS Compliant: Lead-free and environmentally safe

Applications

• Switching circuits – low to moderate current loads
• Small- to medium-signal amplification – audio, instrumentation, and control
• Relay and solenoid drivers – robust switching performance
• Oscillator and timer circuits – stable operation
• Sensor interfaces – reliable signal amplification
• Hobby, educational, and DIY electronics – versatile and widely used
• Replacement for vintage or legacy circuits – compatible and reliable

2n2222-transistor-datasheet