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Transistor 2N2222 – NPN General Purpose Amplifier & Switch
₹2.0
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The 2N2222 is a popular NPN bipolar junction transistor (BJT) designed for general-purpose low-power switching and amplification applications. Known for its reliability and fast switching speed, the 2N2222 is widely used in DIY electronics, industrial circuits, and educational projects. It can handle moderate currents (up to 800 mA) and is ideal for driving loads like relays, LEDs, and small motors.
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Product Specifications
| Specification | Details |
|---|---|
| Transistor Type | NPN |
| Package | TO-92 (Plastic) |
| Maximum Collector Current | 800 mA |
| Collector-Emitter Voltage (Vce) | 40 V |
| Collector-Base Voltage (Vcb) | 75 V |
| Emitter-Base Voltage (Veb) | 6 V |
| Power Dissipation (Ptot) | 500 mW |
| DC Current Gain (hFE) | 100 – 300 |
Key Features
- General-purpose NPN transistor for switching & amplification.
- Suitable for low to medium power applications.
- Handles up to 800 mA collector current.
- Fast switching speed with a transition frequency up to 250 MHz.
- Widely used in DIY electronics, prototyping, and circuit designs.
- Compatible with logic-level control circuits.
Applications
- General-purpose switching circuits.
- Low-power amplifiers.
- Driving relays, LEDs, and small motors.
- Pulse-width modulation (PWM) signal switching.
- Radio frequency (RF) circuits and oscillators.
- DIY electronics and educational kits.
Inside the Box
- 1 x 2N2222 NPN Transistor (TO-92 Package)
Frequently Asked Questions
It can handle up to 800 mA collector current, making it suitable for small loads like relays and LEDs.
Yes, it is widely used with Arduino, ESP32, and Raspberry Pi for switching external devices.
