What is BF1105R?


This is N-channel dual-gate MOS-FETs.

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 BF1105R datasheet provided at this page.

Summary in PDF File


DISCRETE SEMICONDUCTORS DATA SHEET BF1105 BF1105R BF1105WR N channel dual gate MOS FETs Product speci cation Supersedes data of 1997 Dec 01 File under Discrete Semiconductors SC07 1997 Dec 02 Philips Semiconductors Product speci cation N channel dual gate MOS FETs FEATURES Short channel transistor with high forward transfer admittance to input capacitance ratio Low noise gain controlled amplifier up to 1 GHz Internal self biasing circuit to ensure good cross modulation performance during AGC and good DC stabilization APPLICATIONS VHF and UHF applications with 5 V supply voltage such as television tuners and professional communications equipment page BF1105 BF1105R BF1105WR PINNING PIN 1 2 3 4 DESCRIPTION source drain gate 2 gate 1 Top view MSB035 handbook 2 columns 3 4 2 1 BF1105R marking code NAp Fig 2 Simplified outline SOT143R 4 3 alfpage 3 4 DESCRIPTION Enhancement type N channel field effect transistor with source and substrate interconnected Integrated diodes between gates and source protect against excessive input voltage surges The BF1105 BF1105R and BF1105WR are encapsulated in the SOT143B SOT143R and SOT343R plastic packages respectively QUICK REFERENCE DATA SYMBOL VDS ID Ptot yfs Cig1

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[ Detailed Data ]


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

NXP - BF1105R Datasheet PDF

NXP BF1105R GATE

N-channel dual-gate MOS-FETs

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