ATF-55143-BLKG

Series:	--
Packaging:	Strip
Part Status:	Obsolete
Transistor Type:	E-pHEMT
Frequency:	2GHz
Gain:	17.7dB
Voltage - Test:	2.7V
Current Rating:	100mA
Noise Figure:	0.6dB
Current - Test:	10mA
Power - Output:	14.4dBm
Voltage - Rated:	5V
Package / Case:	SC-82A, SOT-343
Supplier Device Package:	SOT-343
Base Part Number:	ATF-55143

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ATF-55143-BLKG Application Field and Working Principle

ATF-55143-BLKG is an advanced Field Effect Transistor (FET) that combines a variety of features such as minimum drain source ON resistance, high current handling capability, and improved cost effectiveness. It is also known as ‘RF Power MOSFET’ due to its excellent RF performance. It is a discrete Semiconductor device typically used in different types of applications suitable for communication systems such as WiFi, WiMax and other wireless communication systems.

The ATF-55143-BLKG consists of an enhancement mode MOSFET which is internally connected between the source and the gate terminals. This kind of FET has the capability to control large currents with very small Gate Voltages. It has the ability to maintain very low threshold voltage, provide high switching speed and linear characteristics. The device has a symmetrical output impedance for both the drain and source terminals. Due to its symmetrical impedance, the ATF-55143-BLKG applications can include constant-voltage or constant-current circuits which are used in switching power supplies or amplifiers.

The ATF-55143-BLKG has an integrated fast-recovery AVL(Adaptive Variable Load) circuit which prevents the transistor from getting damaged by an excessive load current. It can also prevent the reduction of its maximum drain source resistance under overdrive and thus decrease the noise generated by the device. Since it has a very low on-resistance, it can be used in applications where a high efficiency is very important. The fast-recovery AVL circuit also ensures a fast operation of the device and provides a stable display signal.

The working principle of the ATF-55143-BLKG is based on the enhancement mode MOSFET. A positive voltage is applied between the gate and the source terminal. This increases the depletion region between the source and the drain, thus allowing current to flow from the drain to the source. The amount of current that flows between the drain and the source depends on the voltage applied to the gate terminal. The controller can adjust the drain current by varying the gate voltage.

The ATF-55143-BLKG is an ideal device for various RF and analog applications. The device can be used for power amplifiers, RF switching, RF receivers and transmitters, RF antenna ports and others. The wide voltage range, small form factor and low noise make it suitable for many wireless communication systems. It is also suitable for portable and battery-powered applications due to its low power consumption and high efficiency.

In conclusion, the ATF-55143-BLKG is an advanced FET device that provides excellent performance in various applications such as communication systems, power amplifiers, RF switching, and others. The integrated fast-recovery AVL circuit can prevent it from getting damaged by overdrive and the symmetrical output impedance provides extra stability. Its small size and low power consumption make it a perfect choice for portable and battery-powered applications.

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