IRF7433

Vgs(th) (Max) @ Id:	900mV @ 250µA
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SO
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Power Dissipation (Max):	2.5W (Ta)
FET Feature:	--
Input Capacitance (Ciss) (Max) @ Vds:	1877pF @ 10V
Vgs (Max):	±8V
Gate Charge (Qg) (Max) @ Vgs:	20nC @ 4.5V
Series:	HEXFET®
Rds On (Max) @ Id, Vgs:	24 mOhm @ 8.7A, 4.5V
Drive Voltage (Max Rds On, Min Rds On):	1.8V, 4.5V
Current - Continuous Drain (Id) @ 25°C:	8.9A (Ta)
Drain to Source Voltage (Vdss):	12V
Technology:	MOSFET (Metal Oxide)
FET Type:	P-Channel
Part Status:	Obsolete
Packaging:	Tube

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The IRF7433 is a popular model of N-channel enhanced FET (Enhanced Field Effect Transistor) produced by International Rectifier, an American manufacturer of power MOSFET technology. In this article, we will discuss the application field and working principle of the IRF7433.ApplicationsThe IRF7433 offers superior performance in hard switching, DC-DC converter and amplifier circuits. It is primarily used in high current and high voltage applications, including motor control, synchronous rectification and DC-DC converters in computers, automotive systems and other power supply applications.It is also used as a power MOSFET switch in output stages of amplifiers, as a buffer amplifier in audio and video systems, and in power stages of DC operated actuators. Furthermore, this MOSFET can be used in PWM (Pulse Width Modulated) control circuits for switching motor power control, motor speed control, motor current control and motor speed control.Working PrincipleThe IRF7433 is an N-channel enhanced FET that has an extremely low on-state resistance and a very high blocking voltage (VDSS). The device includes a number of high-performance features that make it suitable for many demanding applications.When connected to a power source, the MOSFET will actively reduce the drain-to-source voltage (VDS) to help reduce static power consumption. In addition, the gate-to-source voltage (VGS) can be varied to control the drain current. When the VGS is increased, more current will flow through the MOSFET. The maximum current that can flow through the MOSFET is limited by the drain-to-source voltage (VSD).The IRF7433 also features a fast switching time with low power dissipation, which makes it suitable for high-speed applications. Furthermore, this MOSFET also has an extremely low gate capacitance, which helps to reduce the propagation delay.In summary, the IRF7433 is a popular N-channel enhanced FET that is used in many high current and high voltage applications. It offers superior performance in hard switching, DC-DC converter and amplifier circuits, making it a versatile device for a variety of applications.

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