It is used in a variety of analog amplification and switching applications. Therefore, it is important to refer to the datasheet for the exact part number and manufacturer.Īll variations have a beta or current gain (h fe) of at least 100 in optimal conditions. The exact specifications depend on the manufacturer, case type, and variation. Other part numbers will have different parameters. JEDEC registered parameters include outline dimensions, small-signal current gain, transition frequency, maximum values for voltage withstand, current rating, power dissipation and temperature rating, and others, measured under standard test conditions.
#2n2222 transistor max current registration
The JEDEC registration of a device number ensures particular rated values will be met by all parts offered under that number. Since then it has been made by many semiconductor companies, for example, Texas Instruments. The 2N2222 was part of a family of devices described by Motorola at a 1962 IRE convention. It is frequently used as a small-signal transistor, and it remains a small general purpose transistor of enduring popularity.
The 2N2222 is considered a very common transistor, and is used as an exemplar of an NPN transistor. It was originally made in the TO-18 metal can as shown in the picture. It is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds. The 2N2222 is a common NPN bipolar junction transistor (BJT) used for general purpose low-power amplifying or switching applications. Cross section of 2N2222 in metal TO-18 package, showing connection wires between external pins and die. *This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.2N2222A in metal TO-18 package with the emitter, base and collector identified as E, B, and C respectively. The specific choice of transistor will depend on the requirements of the circuit, such as gain, collector current, voltage ratings, and frequency response. These are just a few examples of the many alternative transistors that can be used instead of the 2N2222. PN2222A: This is the PNP complement of the 2N2222, and it can be used in the same applications as the 2N2222, but with opposite polarities. It is commonly used in high-power switching applications, such as controlling DC motors and solenoids.ĥ. TIP120: This is a NPN Darlington transistor that has a much higher gain compared to the 2N2222. It is widely used in a variety of general-purpose applications, including switching, amplification, and oscillator circuits.Ĥ. 2N3904: This is another commonly used NPN transistor that is similar to the 2N2222 in terms of gain, collector current, and voltage ratings. It has a maximum collector current of 800 mA, similar to the 2N2222.ģ. S8050: This is a NPN transistor with a higher gain compared to the 2N2222, making it a good choice for amplification applications. It is widely used in general-purpose switching and amplification applications.Ģ. BC547: This is a commonly used NPN transistor that is similar to the 2N2222 in terms of gain, collector current, and voltage ratings. Some of the most common alternatives include:ġ. There are several alternative transistor types that can be used instead of the 2N2222, depending on the specific requirements of the circuit. It's widely used in different application such as digital and analog circuits, switching circuit, oscillators, and amplifiers. It can also handle a maximum power dissipation of 625mW. The 2N2222 transistor can handle a maximum collector current of 800mA, and a maximum collector-emitter voltage of 40V. The 2N2222 transistor is also known for its switching capabilities, hence it's widely used in digital circuits. The transistor can be used as a switch or an amplifier depending on the bias applied to the base terminal. The emitter is the negative terminal, the base is the control terminal, and the collector is the positive terminal. The 2N2222 transistor has three regions: the emitter, base, and collector. The 2N2222 is known for its reliability and ease of use. It was one of the first transistors that were widely used, and it is still used today in a wide range of applications. The 2N2222 is a type of bipolar junction transistor (BJT) that is commonly used as a small-signal NPN transistor. Ultra-Fast Transient Response LDO Regulator Silicon NPN transistor in a TO-92 Plastic Package NPN Small Signal General Purpose Amplifiersīipolar NPN Device in a Hermetically sealed TO18 Metal Package. The transistor is subdivded into one group NPN SMALL SIGNAL GENERAL PURPOSE AMPLIFIER AND SWITCHĬhip Type 2C2222A Geometry 0400 Polarity NPN
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