The 2N2222A transistor is very much similar to the commonly used NPN transistor BC547. When base current is removed the transistor becomes fully off, this stage is called as the Cut-off Region and the Base Emitter voltage could be around 660 mV. 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.In the event that third-party cookies are used or if cookies are used for analytical purposes, we will separately notify you in conjunction with this Data Protection Policy and, if applicable, ask for your consent. If cookies are deactivated, the functions of this website may be limited. You may also exclude the acceptance of cookies in certain cases or in general or activate the delete function for the automatic eradication of cookies when the browser closes. You have the option to set up your browser in such a manner that you will be notified any time cookies are placed and to permit the acceptance of cookies only in specific cases. 6(1)(a) GDPR and § 25 (1) TTDSG) this consent may be revoked at any time. If your consent to the storage of the cookies and similar recognition technologies has been requested, processing occurs exclusively on the basis of the consent obtained (Art.
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