What is BF1218?
This is Dual N-channel dual gate MOSFET. An N-channel MOSFET (Metal Oxide Semiconductor Field Effect Transistor) is a type of field effect transistor (FET) that uses an N-type semiconductor material as the conducting channel to control the flow of current. |
[PDF] Complete Technical Details can be found in the
BF1218 datasheet
provided at this page.Summary in PDF Filewww datasheetgo.com BF1218 Dual N channel dual gate MOSFET Rev 01 14 April 2010 Product data sheet 1 Product profile 1 1 General description The BF1218 is a combination of two dual gate MOSFET amplifiers with shared source and gate2 leads and an integrated switch The integrated switch is operated by the gate1 bias of amplifier B The source and substrate are interconnected Internal bias circuits enable DC stabilization and a very good cross modulation performance during Automatic Gain Control AGC Integrated diodes between the gates and source protect against excessive input voltage surges The transistor has a SOT363 micro miniature plastic package CAUTION This device is sensitive to ElectroStatic Discharge ESD Therefore care should be taken during transport and handling 1 2 Features and benefits Two low noise gain controlled amplifiers in a single package One with a fully integrated bias and one with a partly integrated bias Internal switch to save external components Superior cross modulation performance during AGC High forward transfer admittance High forward transfer admittance to input capacitance ratio 1 3 Applications Gain controlled low noise amplifiers for VHF and UHF applications with 5 V supply voltage |
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When a positive voltage is applied to the gate terminal, it attracts electrons to the channel, creating an inversion layer and allowing current to flow between the source and drain terminals. N-channel MOSFETs are widely used in a variety of electronic applications due to their high input impedance, fast switching speeds, and low power consumption. They are commonly used as switches, amplifiers, and voltage regulators. Manufacturers : NXP Semiconductors |
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