About this item

🔧 2N2222 NPN Transistor

The 2N2222 is a widely used NPN bipolar junction transistor designed for switching and signal amplification applications.
Reliable, affordable, and versatile, it is ideal for electronics projects, learning, Arduino applications, and load control circuits.

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🛡️ Features & Advantages

• ⚡ Versatile NPN transistor
• 🔄 Suitable for switching and amplification
• 🧰 One of the most commonly used transistors
• 🤖 Compatible with Arduino, ESP32, and STM32 projects
• 📦 Low-cost and widely available
• 🔧 Perfect for educational and professional applications

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📦 Technical Description

• 🧩 Part Number: 2N2222
• 🔧 Type: NPN Bipolar Junction Transistor (BJT)
• ⚡ Collector-Emitter Voltage (Vce max): 40 V
• 🔋 Maximum Collector Current (Ic): 600 mA
• 📈 Current Gain (hFE): typically 75 to 300
• 🌡️ Operating Temperature: according to manufacturer specifications
• 📦 Package: TO-92 or equivalent (depending on version)

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🛠️ Applications

• 💡 LED and relay switching
• 🤖 Arduino and microcontroller projects
• 🔊 Low-level signal amplification
• ⚙️ Small DC motor control
• 🧪 Electronics learning and experimentation

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⚠️ Usage Notes

• ❗ Use an appropriate base resistor
• 🔧 Verify pinout according to the manufacturer
• ⚡ Respect voltage and current ratings
• 🛡️ Use a flyback diode when driving inductive loads

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✨ Key Features

• 🔧 NPN transistor
• ⚡ Up to 600 mA collector current
• 🔄 Switching and amplification
• 📦 Compact package
• 🤖 Ideal for electronics projects

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📦 Package Contents

• 1 × 2N2222 NPN Transistor