FA57SA50LC

Series:	HEXFET®
Packaging:	Tube
Part Status:	Obsolete
FET Type:	N-Channel
Technology:	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss):	500V
Current - Continuous Drain (Id) @ 25°C:	57A (Tc)
Drive Voltage (Max Rds On, Min Rds On):	10V
Rds On (Max) @ Id, Vgs:	80 mOhm @ 34A, 10V
Vgs(th) (Max) @ Id:	4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs:	338nC @ 10V
Vgs (Max):	±20V
Input Capacitance (Ciss) (Max) @ Vds:	10000pF @ 25V
FET Feature:	--
Power Dissipation (Max):	625W (Tc)
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Chassis Mount
Supplier Device Package:	SOT-227
Package / Case:	SOT-227-4, miniBLOC

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

.

Introduction

A FA57SA50LC is a four-terminal J-FET semiconductor device. Its four terminals are source(S), gate(G), drain(D) and substrate (SG or B). The drain is the terminal that results in current flow when voltage is applied, the source is a reference terminal, and the gate controls the flow of current from the drain. The real-world definition of this class of transistor would be simpler than the complex definition given in technical textbooks – a FA57SA50LC is essentially a transistor that acts as a switch, amplifier or voltage regulator depending on the use and design.

Application Field

Using a FA57SA50LC provides significant advantages over other technologies. Most notably, it requires much less voltage than bipolar transistors. This makes them ideal for battery-operated circuits with low power consumption requirements. They are also typically faster than bipolar devices, making them useful for switching and high-speed amplifying circuits. FA57SA50LCs can usually be switched on and off more quickly than their bipolar counterparts.In addition, they have no gate current, meaning that their output voltage does not suffer from thermal noise, or reverse bias leakage current. Furthermore, their static power consumption under certain conditions can be remarkably low, making them ideal for applications that need to go into power-saving modes and similarly, have very low voltage operations.FA57SA50LCs are used in a wide variety of applications, and various customized versions are available for each. Examples include audio amplifiers and headphone amplifiers, as well as low-power high-speed operation amplifiers, high-side switch power control, as well as DC-DC converters and logic drivers. They are also often used in DC motors, computer peripherals, and portable electronics.

Working Principle

FA57SA50LCs work on the principle of source-drain conduction. Specifically, when a voltage is applied between the source and drain terminals, the channel conducts current in proportion to the voltage at the gate. This is known as “Pinch-off Voltage”.When the gate voltage is above the pinch-off voltage, current flows from the source to the drain, and the channel is in the “on-state” (i.e. the device is on). When the gate voltage is below the pinch-off voltage, the channel is in the “off-state” (i.e. the device is off). It should be noted that the range between the pinch-off voltage and the on-voltage is known as the “linear range”, which is where the device will function as an amplifier.It is also important to note that due to the fact that the FA57SA50LC is a J-FET, it is inherently self-regulating, which means that it is temperature stable and exhibits no gain drift when used in circuits. This makes them ideal for applications that require stable performance over a wide range of temperatures, such as those used in medical and automotive applications.

Conclusion

In conclusion, the FA57SA50LC is a versatile and reliable semiconductor device that has a plethora of applications in the modern world. Its properties of low voltage requirement, high speed, and low gate current make it an ideal solution for a wide variety of tasks. This, combined with its inherent temperature stability and self-regulating characteristics, makes the FA57SA50LC one of the most popular transistors around.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description