2N2222A NPN Bipolar Junction Transistor – TO-18
An NPN transistor is a type of bipolar junction transistor (BJT) that is widely used in electronic circuits for amplification, switching, and signal modulation. In an NPN transistor, the flow of current is controlled by the application of a small voltage to its base, which allows a much larger current to flow between the collector and emitter terminals. The 2N2222A NPN transistor is a versatile, high-speed switching and amplification transistor in a metal TO-18 package, ideal for Arduino, robotics, and general-purpose analog and digital circuits.
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| Made In : | India |
This transistor is designed for fast switching and efficient low-power signal amplification in electronic systems.
Key Features
- NPN bipolar junction transistor (BJT)
- High-speed switching capability
- Suitable for low to medium power applications
- High current gain (hFE)
- TO-18 metal can package for better heat dissipation
- Reliable and stable performance
- Ideal for amplification and switching
- Compatible with Arduino and embedded systems
Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN BJT |
| Model | 2N2222A |
| Package Type | TO-18 Metal Can |
| Collector Current (Ic) | Up to 800 mA |
| Collector-Emitter Voltage | 40V (max) |
| Power Dissipation | ~500 mW |
| DC Gain (hFE) | 100 – 300 (typical) |
| Switching Speed | High-speed |
| Application Type | Switching / Amplification |
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