The BC and BCB are silicon planar epitaxial NPN transistors in TO metal case. They are suitable for use in driver stages, low noise input stages and . DESCRIPTION. The BC and BCB are silicon Planar. Epitaxial NPN transistors in TO metal case. They are suitable for use in driver stages, low. Transistor+BC+ datasheet, cross reference, circuit and application notes in pdf format.
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Applications Can be used to switch high current upto mA loads It can also be used in the various switching applications.
To make things simple I have shown a simplified circuit to make a transistor as switch. 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 mV.
ST Microelectronics – datasheet pdf
So if you looking for an NPN transistor that could switch loads of higher current then 2NA might the right choice for your project. Submitted by webmaster on 11 December When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter.
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. Note that the motor here draws about mA from the 12V power source, since the 2N has collector current rating datahseet mA this circuit is possible had it been a BC the transistor should have been burnt. In actual circuit modifications might be required.
Complete Technical Details can be found at the 2NA datasheet given at the end of this page. How to use 2NA This transistor like all can be used either as a switch or as an amplifier.
I have used a base voltage of 5V and a value of 1K as current limiting resistor. TL — Programmable Reference Voltage.
The Base-Emitter voltage of this transistor is 6V so you just have to supply this voltage across the base and emitter of the transistor to induce a base current into the transistor. This transistor will make it forward biased and thus closes the datxsheet between collector and emitter.
CDIL BCB TO18 45V NPN GP Transistor | Rapid Online
The value for this resistor can be calculated using the formula. To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA.
As the name suggests this resistor will limit the current flowing through the transistor to prevent it from damaging.
But there are two important features that distinguish both. This transistor like all can be used either as a switch or as an amplifier. However one important thing to notice is the Base resistor a.