DataSheet: PDF icon BCPDF. BC is a general purpose PNP transistor. It is used in switching and amplifier applications. The DC current gain varies in. BC Transistor Datasheet pdf, BC Equivalent. Parameters and Characteristics. Semiconductor data sheets and/or specifications can and do vary in different applications . BC / BC / BC VCE = -5 V, IC = µA.

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The DC current gain varies in range to The value of this resistor RB can be calculated using below formulae. Where an input signal of low voltage is amplified switched to high voltages t0 drive loads like speakers.

TL — Programmable Reference Voltage.

BC Transistor | BC Datasheet

A Transistors acts as an Amplifier when operating in Active Region. Skip to main content. For amplification applications, the transistor is biased such that it is partly on for all input conditions.

When base current is removed the transistor becomes fully off, transistod stage is called as the Cut-off Region and the Base Emitter voltage could be around mV. When a transistor is used as a switch it is operated in the Saturation and Cut-Off Region as explained above. BC is a PNP transistor hence the collector and emitter will be closed Forward biased when the base pin is held at ground and will be opened Reverse biased when a signal is provided to base pin.


When this transistor is fully biased then it can allow continues current of mA to flow across the collector and emitter.

Transistor BC558

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Complete Technical Details can be found in the BC datasheet given at the end of this page. The input signal at base is amplified and taken at the emitter.

Choosing Motor For Robots. The BC because of this large gain value is normally used to as a audio trwnsistor. A resistor is always added in series with base pin to limit the base current.

BC558 Datasheet, Equivalent, Cross Reference Search

BC is a general purpose PNP transistor. BC has a gain value of to ; this value determines the amplification capacity of the transistor. The voltage divider is the commonly used biasing mode. This is known as the biasing. 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.


Datasheft switching applications, transistor is biased so that it remains fully on if there is a signal at its base. SPI Module of Arduino. It is also used as a complement for transistors BC to BC Choosing Battery for Robots. It can amplify power, voltage and current at different configurations.

Interface GPS with Arduino. BC is used in common emitter configuration for amplifiers. Also note that datasneet PNP transistor is always used for high side switching, meaning the collector is connected to power and emitter to load that is to be switched.

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BC as switch When a transistor is used as a switch it is operated in the Saturation and Cut-Off Region as explained above. When uses as an Amplifier the DC current gain of the Transistor can be calculated by using darasheet below formulae. Submitted by admin on 26 March In the below GIF you can notice transiistor transistor being switched for a low voltage 1v audio signal.

Of the above types common emitter type which amplifies voltage is the popular and mostly used configuration.

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