BC850BW,115

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BC850BW and BC 808W are single bipolar junction transistors (BJT) used in various applications and systems. Because of their special design, they are ideal for use in audio amplifiers, voltage converters, and other applications requiring high frequency performance. It is rated for operation at Tamb=25°C. The collector current rating maximum is 600ma. The DC current gain (hFE) is approximately 25-100 at Ic=1mA. The bipolar transistors require very low VBE(on) rating, this being only 0.35Vdc maximum. BC850BW is designed as a small signal amplifier and switch. It is a general purpose amplifier, NPN type and features a 60V collector-to-base breakdown voltage and a 100mA collector current rating. It is designed for switching applications, but can also be used as an amplifier. The BC808W is a PNP type amplifier, with a low voltage rating of 25V. It is designed to work in low frequency circuits, where low-power efficiency is critical. The maximum collector current rating is 100mA, and the DC current gain from base-to-collector is approximately 25 to 100, depending on the amount of DC current in the base. The BC850BW and BC808W both have an open-collector. This allows for current to be switched off in certain applications, where the open-collector will control the current to a single device. The open-collector is also used for protection against short circuits. The BC850BW and BC808W both use the same working principle. They use a base-to-collector PN junction, which acts as a semiconductor switch or amplifier. A PN junction is formed when two semiconductor materials are joined together in an N-type and P-type layer. A PN junction has the ability to create a current in a specified direction when it is subjected to an input voltage or current. As current passes through the junction, excess electrons are pulled towards the positive region and the area to the left of the junction is depleted. The working principle of the BC850BW and BC808W is to amplify or switch a small difference in voltage. They are designed to achieve a maximum current gain when the base-to-collector voltage is applied (typically 0.7V). The PN junction will amplify or switch current as a result of the applied voltage. The BC850BW and BC808W are suitable for use in a range of applications. They are used in audio amplifiers, voltage converters, car radios, television sets, am/fm radios, and other items requiring high frequency amplification. They are also used in industrial applications, such as robots, alarms, and control systems.The BC850BW and BC808W bipolar junction transistors provide high frequency performance and reliability of operation. They can be used in a variety of applications and systems where efficient, low power amplification are necessary. With the wide range of current gains available, these devices are suitable for use in a variety of applications requiring high frequency amplification and switching.

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