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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Choosing Battery for Robots. For amplification applications, the transistor is biased such that it is partly on for all input conditions.

Interface SD Card with Arduino. Amplifier modules like Audio amplifiers, signal Amplifier etc. This high-density System-in-Package SiP integrates controller, power switches, and support components. BC as switch When a transistor is used as a switch it is operated in the Saturation and Cut-Off Region as explained above.

The input signal at base is amplified and taken at the emitter. Arduino based GPS receiver.

SPI Module of Arduino. What is Web Browser. 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.


The BC because of this large gain value is normally used to as a audio amplifier. It is also used as a complement for transistors BC to BC Of the above types common emitter type which amplifies voltage is the popular and mostly used configuration.

Where an input signal of low voltage is amplified switched to high voltages t0 drive loads like speakers. Virgin Galactic — Commercial Space Flight. When this transistor is fully biased then it can allow continues current of mA to flow across the collector and emitter. TL — Programmable Reference Voltage. A resistor is always added in series with base pin to limit the base current. It can amplify power, voltage and current at different configurations.

Ttansistor Technical Details can be found in the BC datasheet given at the end of this page. BC is a general purpose PNP transistor. 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.

BC is used in common emitter configuration for amplifiers.

BC Pinout, Configuration, Circuit As Switch & Amplifier

A Transistors acts as an Amplifier when operating in Active Region. The voltage divider is the commonly used biasing mode. Choosing Motor For Robots.


BC has a gain value of to ; this value determines the amplification capacity of the transistor. In the absence of base signal, it gets completely off.

Skip to main content. It is used in switching and amplifier applications. The value of this resistor RB can be calculated using below formulae. Submitted by admin on 26 March Interface GPS with Arduino. Also note that a 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.

Transistor BC558

When uses as an Amplifier the DC current gain of the Transistor can be calculated by using the below formulae.

When a transistor is used as a switch it is operated in the Saturation and Cut-Off Region as explained above. The DC current gain varies in range to For switching applications, transistor is biased so that it remains fully on if there is a signal at its base.