This stage is called Saturation Region and the typical voltage allowed across the Collector-Emitter (V CE) or Base-Emitter (V BE) could be 200 and 900 mV respectively. When this transistor is fully biased, then it can allow a maximum of 800mA to flow across the collector and emitter. To bias a transistor we have to supply current to base pin, this current (I B) should be limited to 5mA. The maximum amount of current that could flow through the Collector pin is 800mA, hence we cannot connect loads that consume more than 800mA using this transistor. 2N2222A has a gain value of 110 to 800, this value determines the amplification capacity of the transistor. Note: Complete Technical Details can be found in the 2N2222A datasheet, given at the end of this page.īC549, BC636, BC639, BC547, 2N2369, 2N3055, 2N3904, 2N3906, 2SC5200 2N2222A Equivalent TransistorsĢN2907(PNP), 2N3904(PNP), 2N3906 (PNP), BC637, S9014, BC148, 2N4403, MPS2222, PN2222, KN2222, KTN2222ĢN2222A 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. Collector Emitter Voltage (V CE) is 30V.Continuous Collector current (I C) is 800mA.The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Whether you are an electronics hobbyist or a professional audio engineer, the 2N2222A transistor is a reliable and versatile component that enhances the performance and functionality of your audio projects.” By incorporating the 2N2222 A transistor into your amplifier circuit, you can achieve efficient signal amplification, extended battery life, and space-saving design. In summary, the 2N2222A transistor is an ideal choice for low-power audio amplifiers due to its high current gain, low power consumption, and compact size. Whether you are designing a portable headphone amplifier, a mini stereo system, or a small audio module, the 2N2222 A transistor’s small form factor enables you to create sleek and compact audio solutions without compromising on performance. This characteristic allows for space-efficient circuit design, making it suitable for compact electronic projects where size constraints are present. Additionally, the 2N2222 A transistor’s low power dissipation rating of 500 mW helps prevent overheating, ensuring reliable operation and prolonging the lifespan of the amplifier circuit.Īnother notable advantage of the 2N2222A transistor is its compact size. By minimizing power requirements, it enables longer battery life for portable audio devices, making it an ideal component for on-the-go applications. Moreover, the 2N2222A transistor’s low power consumption is a key advantage in energy-conscious designs.
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