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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2SD1899-AZ


Trans GP BJT NPN 60V 3A Automotive 3-Pin(2+Tab) TO-252
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PBLS2003S,115


Trans Digital BJT NPN/PNP 50V/20V 100mA/3A Automotive 8-Pin SO T/R
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Dual Dual CollectorNpn/Pnp 1 At NpnSmd/SmtSO - 8  50 v @ npn , 20 v @ pnp 100 mA @ npn , 3000 mA @ pnp- 65 C+ 150 C Reel 
2SC4331-AZ


Trans GP BJT NPN 100V 5A Automotive 3-Pin(3+Tab) MP-3
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AUD 0.7991
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 Npn  Through Hole           
DTA043TMT2L


PNP -100MA -50V DIGITAL TRANSISTORS (BIAS RESISTOR BUILT-IN TRANSISTORS) DATASHEET
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AUD 0.8056
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SinglePnp4.7 Kohms Smd/SmtSC - 105 - 3100250 MHz- 50 V- 100 mA- 100 mA + 150 CDta043tmReel 
2N5157


2N5157 international rectifier
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AUD 0.8226
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BD440G


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AUD 0.8752
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PBLS2023D,115


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AUD 0.8885
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DualPnp 1Smd/SmtSC - 74 - 6220 - 20 V- 1.8 A- 3 A- 55 C+ 150 C Reel 
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AUD 0.8885
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DualPnp 1Smd/SmtSC - 74 - 6285 - 60 V- 1.5 A- 3 A- 55 C+ 150 C Reel 
2SC3518-Z-AZ


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AUD 0.9334
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 Npn  Surface Mount           
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