Bipolar Transistors - Pre-Biased

Bipolar transistors are transistors that contain both p-type and n-type material. They are used in many types of electronic circuits, and find their primary application in amplifier circuits. When a bipolar transistor is pre-biased, it means that has been setup with a bias voltage or current applied to its base/gate, causing it to be partially on. This partial turn on of the transistor can have several advantages compared to a non-biased transistor, such as increased speed and reduced power consumption. Pre-biasing a transistor can also reduce the amount of power needed to turn the transistor on, and therefore the size of the associated elements, such as the power supply. Pre-biasing is particularly useful in circuits where the operating parameters of the transistor vary over time, such as high-frequency circuits and RF applications.
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Trans GP BJT NPN 12V 2A 6-Pin TSMT T/R
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SingleNpn  Smd/SmtUMT - 6270 12 V   + 150 CUs6x5Reel 
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SingleNpn1 Kohms10Smd/SmtEMT - 3140 30 V200 mA  + 150 C Reel 
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Trans Digital BJT NPN 12V 500mA 3-Pin EMT T/R
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SingleNpn4.7 Kohms10Smd/SmtSOT - 416 - 3140260 MHz12 V500 mA500 mA + 150 CDtd543zeReel 
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Transistors Switching - Resistor Biased PNP/NPN 50V 100MA SOT-457
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Transistors Switching - Resistor Biased BISS RETS TAPE-7
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SingleNpn2.2 Kohms0.219Smd/SmtTO - 236AB - 3  40 V700 mA700 mA- 65 C+ 150 C Reel 
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ROHM Semiconductor Bipolar Transistors - Pre-Biased NPN 50V 500MA
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Trans Digital BJT PNP 50V 100mA 5-Pin SMT T/R
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Dual Common EmitterPnp4.7 Kohms Smd/SmtSC - 74 - 5100 50 V100 mA100 mA- 55 C+ 150 CFma3atReel 
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