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2N4401 NPN Transistor
2N4401 is a NPN transistor hence the collector and emitter will be left open (Reverse biased) when the base pin is held at ground and will be closed (Forward biased) when a signal is provided to base pin. 2N4401has a gain value hfe of 500; this value determines the amplification capacity of the transistor.
Low power, small signal transistor with silicon planar epitaxial construction, designed for general purpose switching and amplifier applications.
2N4401 Pin Configuration
| Pin Number | Pin Name | Description |
| 1 | Emitter | Current Drains out through emitter, normally connected to ground |
| 2 | Base | Controls the biasing of transistor, Used to turn ON or OFF the transistor |
| 3 | Collector | Current flows in through collector, normally connected to load |
Features
- General purpose NPN Transistor
- High DC Current Gain (hFE), typically 80 when IC=10mA
- Continuous Collector current (IC) is 500mA
- Collector-Emitter voltage (VCE) is 40 V
- Collector-Base voltage (VCB) is 60V
- Emitter Base Breakdown Voltage (VBE) is 6V
- Transition Frequency is 100MHz
- Available in To-92 Package
The 2N4401 is a general purpose NPN transistor housed in a TO92 package, suitable for signal processing, switching and application
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