BC157 DATASHEET PDFBC157 DATASHEET PDF

Title, mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO Description. Company, Micro Electronics. Datasheet, Download BC datasheet. Quote. BC Datasheet PDF Download – Low Level and General Purpose Amplifiers, BC data sheet. Micro Electronics BC datasheet, Low Level and General Purpose Amplifiers ( 1-page), BC datasheet, BC pdf, BC datasheet pdf, BC pinouts.

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(PDF) BC157 Datasheet download

Amplifier modules like Audio amplifiers, signal Amplifier etc. As mentioned the biasing current should maximum of 5mA. 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. When uses as an Amplifier the DC current gain of the Transistor can be calculated by using the below formulae.

BC Datasheet pdf – Low Level and General Purpose Amplifiers – Micro Electronics

Anything more than 5mA will kill the Transistor; hence a resistor is always added in series with base pin. TL — Programmable Reference Voltage.

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Current Drains out through emitter. 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.

BC157 Datasheet PDF

If you are designing a PCD or Perf board with this component then the following picture from the BC Datasheet will be useful to know its package type and dimensions.

When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter. Some of the configurations used in amplifier circuits are Common emitter amplifier Common collector amplifier Common base amplifier Of the above types common emitter type is the popular and mostly used configuration.

The value of I B should not exceed mA. Submitted by admin on 26 October As discussed a transistor will act as an Open switch datasheer 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.

Controls the biasing of transistor. BC has a gain value of tothis value determines the amplification capacity of the transistor. Current flows in through collector.

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(Datasheet) BC pdf – Low Level and General Purpose Amplifiers (1-page)

The value of this resistor R B can be calculated using below formulae. To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA.

A Transistors acts as an Amplifier when operating in Active Region. BC Transistor as switch When a transistor is used as a switch it is operated in the Saturation and Cut-Off Region as explained above. Of the above types common emitter type is the popular and mostly used configuration.

Complete Technical Details can be found at the BC datasheet given at the end of this page. 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. It can amplify power, voltage and current at different configurations. When a transistor is used as a switch it is operated in the Saturation and Cut-Off Region as explained above.