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Similarly in the cut-off region, no current flows from emitter to collector then it acts as a turn off the switch.

Therefore the user cannot connect the load whose current is greater than 800mA

In saturation region full current flows from emitter to a collector that’s range is 110 to 800mA and in this condition, it acts as a turn on a switch.

In switching application it works in two regions such as saturation and cut off region

Therefore, it could be used in that application such as switching and amplifications where BC547 transistor has been using.

But the only difference between them is the continuous collector current and total power dissipation of this transistor.

This 2N2222 NPN transistor has almost the same technical specifications as BC547 NPN transistor.

Do not store or operate the transistor below -55 centigrade and above +150 centigrade. Use a suitable base resistor which provides the required current at the base of the transistor.

To get best performance with 2N2222 transistor the user should no drive load more than 600mA, the collector-emitter voltage of the transistor must in under 40V. Switching many loads at the same time (Thanks to its 600mA output in a small TO-92 package) It can also be used as a small audio amplifier or to drive a small speaker in electronic projects. 2N2222 can also be used to amplify audio signals for example it can be used in audio preamplifier stages and also in audio amplifier stages. The max collector emitter voltage of the transistor is 40V, therefore the user can use it in any circuit operating under 40V DC.ĭue to its good features 2N2222 can be used in wide variety of electronic projects, the large 600mA collector current makes this transistor ideal to use it in your electronic projects to control relays, high power LEDs, other high power transistors and ICs at the same time. The max collector dissipation of the transistor is 625mW which makes this transistor ideal to use it in audio amplifier stages and as an output amplifier to drive small audio speaker. For example the collector current of the transistor is 600mA that is quite good to use it as a switch to drive many loads at a time in an electronic circuit.

The transistor contains some of the best feature in its little package. Max Storage & Operating temperature Should Be: -55 to +150 CentigradeĢN2219, 2N1613, 2N2218, 2N2792, NTE123A, 2N3904 (Pin configuration of SOME transistors are different from 2N2222, check pin configuration before replacing in a circuit)ĢN2222 Transistor Explained / Description:ĢN2222 is also one of the widely used transistor in commercial appliances, educational and hobby projects.Minimum & Maximum DC Current Gain (h FE): 35 – 300.Max Collector Dissipation (Pc): 625 miliWatt.Max Collector-Emitter Voltage (V CE): 40V.Advertisements Features / technical specifications: