2N2222A NPN Transistor (Pack of 5)

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The 2N2222A is one of the most popular and versatile general-purpose NPN bipolar junction transistors (BJTs) in electronics. Ideal for low-power switching, signal amplification, and a wide range of driver circuits, this TO-92 packaged transistor is a must-have staple for every engineer's component kit. This pack of 5 ensures you always have spares on hand for prototyping, repairs, and project builds. Available now from Tech Depot India, Bengaluru, with fast shipping and full technical support.

Specifications

Why Choose 2N2222A NPN Transistor (Pack of 5)?

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Key Features of 2N2222A NPN Transistor (Pack of 5)

• High Current Capability: Handles up to 600mA continuous collector current, making it suitable for driving relays, small motors, LEDs, and other moderate-load devices.
• Excellent Switching Speed: With a transition frequency of 300 MHz, the 2N2222A excels in fast-switching applications and high-frequency circuits.
• Wide DC Current Gain Range: h_FE of 100-300 provides flexible amplification for analog signal processing and digital logic interfacing.
• Tech Depot India Voltage Ratings: 40V collector-emitter and 75V collector-base voltage ratings offer generous headroom for a variety of circuit designs.
• Industry-Standard TO-92 Package: Compact, breadboard-friendly, and easy to solder onto perfboards and custom PCBs.
• Wide Operating Temperature: Functions reliably from -55 degreesC to +150 degreesC, suitable for demanding environmental conditions.
• Low Saturation Voltage: Ensures efficient switching with minimal power loss in saturated (fully ON) state.
• Pack of 5: Convenient multi-pack keeps your inventory stocked for ongoing projects and quick replacements.
• Trusted by Professionals & Students: Used by thousands of engineers, makers, and institutions across India for reliable project outcomes.
• Quality Tested: Each batch undergoes inspection to ensure electrical parameters meet datasheet specifications.

Perfect For

• Relay Driver Circuit: Use the 2N2222A to switch a 5V or 12V relay from a microcontroller GPIO pin (Arduino, ESP32, Raspberry Pi). Add a flyback diode across the relay coil and a 1kOhm base resistor for a clean, reliable driver stage.
• LED Driver / Current Amplifier: Drive high-brightness LEDs or LED strips that draw more current than a microcontroller pin can supply. The transistor acts as a current amplifier, controlled by a small base signal.
• Motor Speed Control: Pair with a PWM signal from an Arduino to control the speed of small DC motors. Combine with an H-bridge configuration using complementary PNP transistors for bidirectional control.
• Audio Preamplifier: Build a common-emitter amplifier stage

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