R1, R2, R3, and R4: These are the polarization resistances and must be carefully calculated. The circuit should be based on a 2N2222A bipolar transistor. The 2N2222 and BC549 models were used in this case. Output power: not less than 2.0 mW into 600 ohms at mid-band. *This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information. In theory, any generic transistor model should suffice for low frequencies. Transistors NPN Silicon MAXIMUM RATINGS THERMAL CHARACTERISTICS COLLECTOR 3 2 BASE EMITTER 1 23 MARKING DIAGRAM PN222xYWW TO92CASE 29STYLE 1 PN222x Device Code YWW 2 or A Year Work Week ORDERING INFORMATION Preferred devices are recommended choices for future useand best overall value. Download the PN2222 Datasheet (PDF) Buy a PM2222 NPN Transistor from Amazon, Adafruit, SparkFun, or Newark. The company was acquired by ON Semiconductor in 2016 and its products and technologies continue to be developed and sold under the ON Semiconductor brand. Use an NPN Base Junction Transistor (BJT) to drive high current loads (like motors) using your Arduino. The company was known for its innovation in the development of the first commercial transistor and for its contributions to the advancement of the integrated circuit technology.įairchild became a leading supplier of power semiconductors, analog and mixed-signal integrated circuits, and other semiconductor products. Small Signal General Purpose Transistors (NPN)įairchild Semiconductor was a pioneering semiconductor company that was founded in the late 1950s. PNP Small Signal General Purpose Amplifiers & Switches PNP SMALL SIGNAL GENERAL PURPOSE AMPLIFIERS Small Signal General Purpose Amplifiers & Switchs The NPN Bipolar Transistor is designed for use in linear and switching applications. NPN SMALL SIGNAL HIGH VOLTAGE GENERAL PURPOSE AMPLIFIERS NPN SMALL SIGNAL GENERAL PURPOSE AMPLIFIERS The PN2222 is a conjoint NPN bipolar junction transistor which is used for common persistence less power intensifying or swapping circuits applications. NPN Small Signal General Purpose Amplifiers
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