BC157 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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A Transistors acts as an Amplifier when operating in Active Region. As mentioned the biasing current should maximum of 5mA. If you are designing a PCD or Perf board with this component fatasheet the following picture from the BC Datasheet will be useful to know its package type and dimensions.

BC Transistor Pinout, Description, Equivalent & Datasheet

TL — Programmable Reference Voltage. 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. Datasheey by admin on 26 October It can amplify power, voltage and current at different configurations.

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Controls the biasing of transistor. Of the above types common emitter type is the popular and mostly used configuration.

BC157 Datasheet, Equivalent, Cross Reference Search

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. The value of this resistor R B can be calculated using below formulae. Current flows in through collector. When uses as an Amplifier the DC current gain of the Transistor can be calculated by using the below formulae.

Amplifier modules like Audio amplifiers, signal Amplifier etc. To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA. Current Drains out through 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. 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 datasehet Reverse biased when a signal is provided to base pin.

Anything more than 5mA will kill the Transistor; hence a resistor is always added in series with base pin. BC has a gain value of tothis value determines the amplification capacity of the transistor.

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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. 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. When a transistor is used as a switch it is operated in the Saturation and Cut-Off Region as explained above.

Complete Technical Details can be found at the BC datasheet given at the end of this page. The value of I B should not exceed mA. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter.