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C557B TRANSISTOR PDF

10 products offers 10 cb transistor products. About 60% of these are integrated circuits, 10% are transistors. A wide variety of cb transistor. 3. 1. Publication Order Number: BCB/D. BCB, BCA, B, C,. BCB. Amplifier Transistors. PNP Silicon. Features. • Pb−Free Packages are Available*. BC Transistor Datasheet pdf, BC Equivalent. Parameters and Characteristics.

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Submitted by admin on 26 October BC is a PNP transistor hence the collector and emitter will be closed Forward biased when the base tdansistor is held at ground and will be opened Reverse biased when a signal is provided to base pin. TL — Programmable Reference Voltage.

BC557 Datasheet, Equivalent, Cross Reference Search

BC has a gain value of tothis value determines the amplification capacity of the transistor. The maximum amount of current that could flow through the Transisto 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 I B should be limited to 5mA.

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Current flows in through collector. 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.

Current Drains out through emitter. Anything more than 5mA will kill the Transistor; hence a resistor is always added in series with base pin.

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. It can amplify power, voltage and current at different configurations.

CB Datasheet, PDF – Alldatasheet

A Transistors acts as an Amplifier when operating in Active Region. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter. As mentioned the biasing current should maximum of 5mA. If you are designing trandistor 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 uses as an Amplifier the DC current gain of the Transistor can be calculated by using the below formulae.

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When a transistor is ttransistor as a switch it is operated in the Saturation and Cut-Off Region as explained above. Some of the configurations used in amplifier circuits are Common emitter amplifier Common collector amplifier Common base amplifier Of the above types common c557b type is the popular and mostly used configuration.

The value of I B should not exceed mA. Of the above types common emitter type is the popular and mostly used configuration.

BC Transistor Pinout, Description, Equivalent & Datasheet

Amplifier modules like Audio amplifiers, signal Amplifier etc. Controls the biasing of transistor. As discussed a transistor will act as an Open switch during Forward Bias and as a Closed switch during Reverse Bias, this c557g can be achieved by supplying the required amount of current to transsitor base pin.

The value of this resistor R B can be calculated using below formulae. Complete Technical Details can be found at the BC datasheet given at the end of this page.