BC546 DATASHEET PDF

BC has a gain value of to , this value determines the amplification capacity of the transistor. 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 mV. As discussed a transistor will act as an Open switch during Forward Bias and as a Closed switch during Reverse Bias, this biasing can be achieved by supplying the required amount of current to the base pin.

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The Transistor has a gain value of with a transition frequency of MHz, the transistor is also know for its low noise feature. The BC has very low Continuous current of mA with a collector to emitter voltage of 65V, hence it cannot be used to switch heavy loads.

So it can be used in places where the load current is less than mA. Brief Description on BC Transistor BC 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. It is a low current transistor hence the maximum amount of current that could flow through the Collector pin Ic is mA, hence we cannot connect loads that consume more than mA and load voltage more than 30V using this transistor.

BC has a decent gain value hfe up to ; this value determines the amplification capacity of the transistor. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter.

This stage is called Saturation Region. When base current is removed the transistor becomes fully off, this stage is called as the Cut-off Region.

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