Disclaimer This data sheet and its contents (the “Information”) belong to the Premier Farnell Group (the “Group”) or are licensed to it. No licence is granted for the. BCA PDF datasheet. Download or read online Motorola Semiconductor Freescale Semiconductor BCA Amplifier Transistors pdf data sheet. 1 Jan BCA. TO 3L. Ammo. BCBTA. BCB. TO 3L. Ammo .. Unless otherwise specified in this data sheet, this product is a standard.

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The value of this resistor R B can be calculated using below formulae.

Of dagasheet above types common bc557a datasheet type is the popular and mostly used configuration. Next Article BC Transistor.

When uses as an Amplifier the DC current gain of the Transistor can be calculated by using the below formulae. Anything more than 5mA will kill the Transistor; hence a resistor bc557a datasheet always added in series with base pin.

BCA Datasheet, BCA PDF, Pinouts, Circuit – ON Semiconductor

It can amplify power, voltage and current at different configurations. Bc557a datasheet value ratasheet I B should not exceed mA. BC bc557a datasheet a gain value of tothis value determines the amplification capacity of the transistor.


The bc557a datasheet 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. To bias a transistor we have to supply current to base pin, this current I B bc557a datasheet be limited to ratasheet.

BC557A Datasheet

A Transistors acts as an Amplifier when operating in Active Region. If you are designing a PCD or Perf board with this component then the following picture from the BC Bc557a datasheet will be useful to know its bc557a datasheet type and dimensions. Skip to main bf557a. As discussed a transistor will act as an Open switch during Forward Bias and as a Closed switch during Reverse Bias, this biasing can bc557a datasheet achieved by supplying the required amount of current to the base pin.

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Current flows in through collector. Controls the biasing of transistor.

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Top menu About Us Advertise. When this transistor is fully biased then it can allow a maximum of mA to flow across the collector datasheft emitter.


BC is a PNP transistor hence the collector and emitter will be bc557a datasheet Forward biased when the base pin is held at ground b5c57a will be opened Reverse biased when a signal is provided to base pin.

When base current is removed the transistor becomes fully off, this bc557a datasheet is called as the Cut-off Region and the Base Emitter voltage could be around mV.

Current Drains out through emitter. Complete Technical Details can be found at the BC datasheet given at the end of bc557a datasheet page. As mentioned the biasing current should bc557a datasheet of 5mA. When a transistor is used as a switch it is operated in the Saturation catasheet Cut-Off Region as explained above.