C557B TRANSISTOR PDF
March 8, 2019
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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Current Drains out through emitter. Amplifier modules like Audio amplifiers, signal Amplifier etc. A Transistors acts as an Amplifier when operating in Active Region. As mentioned the biasing current should maximum of 5mA.
Complete Technical Details can be found at the BC datasheet given at the end of this page. TL — Programmable Reference Voltage.
BC Transistor as trajsistor When a transistor is used as a switch it is operated in the Saturation and Cut-Off Region as explained above. Some of the configurations used in amplifier circuits transisfor Common emitter amplifier Common collector amplifier Common base amplifier Of the above types common emitter type is the popular and mostly used configuration. Submitted by admin on 26 October BC has a gain value of tothis value determines the amplification capacity of the transistor.
The value of this resistor R B can be calculated using below formulae. Controls the biasing of transistor.
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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 transistof package type and dimensions. 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.
To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA. When uses as an Amplifier the DC current gain of the Transistor can be calculated by using the below formulae. 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.
BC Transistor Pinout, Description, Equivalent & Datasheet
Current flows in through collector. The value of I B should not exceed transisotr. 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.
Anything more than 5mA will kill the Transistor; hence a resistor is always added in series with base pin. Of the above types common emitter type is the popular and mostly used configuration.
BC557 . Datasheet. Equivalente. Reemplazo. Hoja de especificaciones. Principales características
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 f557b when a signal is provided to base pin.
When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter.
Transostor 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.