It can permit collector current up to 800mA and as well has power intemperance of 652mW due to this it is used for larger loads then BC547.Nevertheless, there are two significant topographies which differentiate both of them. It is like the generally used NPN transistor BC547.In the next few lines, we will discuss where it can be used after this we discuss it's working.It has a functioning and storing connection temperature range -55 to +150 ☌.Its collector intemperance factor is 0.625 W. Its voltage between collector and emitter is thirty volts.Its (V BE) Emitter-base voltage is six volts.Its incessant Collector current (I C) is 800mA.It is bi-polar higher current user NPN transistor.These are the main specifications of PN2222.The emitter is for the current inward movement. The base controls the biasing of the transistor. When the base current is detached the transistor converts entirely off, this phase is named as the Cut-off Region and the Base-Emitter voltage might be about 660mV. This phase is named Saturation Region and the characteristic voltage permissible crossways the Collector-Emitter (V CE ) or Base-Emitter (V BE ) can be 200 and 900 mV correspondingly. When this transistor is completely biased then it can permit a maximum of 800mA to movement crosswise the collector and emitter. This (Ib) current must be limited to 5mA.
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