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The maximum amount of current that could flow through the Collector pin is mA, hence we cannot connect loads that consume more than mA using this transistor. To bias a transistor we have to supply current to base pin, this current IB should be limited to 5mA. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter.
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 5V. It very much similar to the bc transistor except for that it has high collector to emitter voltage and hence high voltage loads can be toggled.
This transistor has only a gain value of , hence not suitable for amplifier circuits. So if you looking for a PNP transistor that could switch high voltage loads within 0. How to use 2N The 2N transistor is commonly used as a switching device. When used as a switch, it can be operated in saturation region and cut-off region.
If we provide ground to the base pin then the transistor will be in reverse biased and said to be turn ON. If supply is provided to the base pin it stops conducting current between emitter and collector and said to be in OFF state. For the protection of transistor a resistance added in series with it.
The maximum value of providing base current is mA. So, from that you can find the value of resistance to be added in series with it. If made high 5V the motor will stop rotation. Note that for PNP transistors the loads should be connected in the collector side as shown below. Also note that the load current should be less than mA here ma Used to switch high voltage low current loads Optimal for loads with high peak voltage upto 40V It is used in the various switching applications.
Used in inverter and converter circuits Used for making siren or dual Led or Lamp flasher. Can be used in Darlington Pair. Component Datasheet.
2N3904: NPN Bipolar Transistor, TO-92
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2N3704 MULTICOMP, 2N3704 Datasheet
Datasheet 2N3704 - Fairchild TRANSISTOR, NPN, TO-92