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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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.
A Transistors acts as an Amplifier when operating in Active Region.
BC157 Datasheet PDF
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. When uses as an Amplifier the DC current gain of the Transistor bv157 be calculated by using the below formulae.
Submitted by admin on 26 October The value of I B should not exceed mA. Complete Technical Details can be found at the BC datasheet given datasheet the end of this page. 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.
Amplifier modules like Audio amplifiers, signal Amplifier etc. The value of this resistor R B can be calculated using below formulae.
Current flows in through collector. BC has a gain value of tothis value determines the amplification capacity of the transistor.
Of the above types common emitter type is the popular and mostly used configuration. Current Drains out through emitter.
BC Datasheet pdf – Low Level and General Purpose Amplifiers – Micro Electronics
TL — Programmable Reference Voltage. Controls the biasing of transistor. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector and emitter. When a transistor is used as a switch it is operated in the Saturation and Cut-Off Region as explained above. 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.
As mentioned the biasing current should maximum of 5mA. 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.
BC Datasheet, Equivalent, Cross Reference Search. Transistor Catalog
If you are designing a PCD or Perf board with datasheef component then the following picture from the BC Datasheet will be useful to know its package type and dimensions.
It can amplify power, voltage and current bc1557 different configurations. Anything more than 5mA will kill the Transistor; hence a resistor is always added in series with base pin.
To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA.
As discussed a transistor will act as an Open switch during Forward Bias and as a Bf157 switch during Reverse Bias, this biasing can be achieved by supplying the required amount of current to the base pin.