(Pack of 5) 2N4401 NPN General Purpose Transistor 40V 600mA TO-92 Package

(Pack of 5) 2N4401 NPN General Purpose Transistor 40V 600mA TO-92 Package

The 2N4401 is a robust NPN general-purpose transistor designed for switching and low to medium-power amplification applications. Each transistor in this pack can handle a collector-emitter voltage of 40V and a collector current of 600mA, making it suitable for a wide range of analog and digital electronics circuits.

Housed in a compact TO-92 plastic package, the 2N4401 offers easy PCB mounting and reliable mechanical stability. Its moderate gain, low saturation voltage, and low leakage current ensure efficient performance in switching circuits, driver stages, and small-signal amplification.

This pack of 5 is ideal for hobbyists, students, and professionals, providing spare components for prototyping, repair, and experimental circuits.

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Features

• Type: NPN Bipolar Junction Transistor (BJT)
• Collector–Emitter Voltage (Vce): 40V
• Collector Current (Ic): 600mA
• Power Dissipation (Ptot): 625mW
• DC Current Gain (hFE): 40–300
• Transition Frequency (fT): 250 MHz typical
• Package: TO-92 Plastic – compact and PCB-friendly
• Reliable & Durable: Long-term stable performance
• Low Saturation Voltage & Leakage Current
• RoHS Compliant

Applications

• Low to medium-power switching circuits
• Relay and LED drivers
• Signal amplification for analog and digital circuits
• Oscillator, timer, and pulse circuits
• Driver stages for sensors, solenoids, and other peripherals
• Educational and hobbyist electronics projects
• Prototyping, repairs, and replacement in general-purpose electronics

2n4401-transistor-datasheet