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DMN4040SK3-VB Product details

Product introduction:

Product Introduction



**DMN4040SK3-VB** is a high-efficiency single N-channel MOSFET designed with TO252 package and Trench technology. This MOSFET is suitable for drain-source voltage (VDS) up to 40V and can operate stably under current conditions up to 55A. Its low on-resistance and medium gate threshold voltage make it excellent in high-efficiency power conversion and switching applications. DMN4040SK3-VB is particularly suitable for applications that require high current handling capability and low power consumption, and is widely used in automotive electronics, power management and industrial control.



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Product parameter:

VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds2.5 Rds4.5 Rds10 Technology
TO252 Single-N 40V 2.5V 55A 12mΩ Trench
VB Package Configuration VCE VGE VGEth(V) VCEsat15V ICE Technology
TO252 Single-N Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds18 Technology
TO252 Single-N 40V 2.5V 55A Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds6 Technology
TO252 Single-N 40V 2.5V 55A Trench
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
TO252 Single-N
Detailed parameter description



- **Model**: DMN4040SK3-VB

- **Package**: TO252

- **Configuration**: Single N-channel

- **Drain-source voltage (VDS)**: 40V

- **Gate-source voltage (VGS)**: ±20V

- **Gate threshold voltage (Vth)**: 2.5V

- **On-resistance (RDS(ON))**:

- 14mΩ @ VGS = 4.5V

- 12mΩ @ VGS = 10V

- **Maximum leakage current (ID)**: 55A

- **Technology**: Trench technology



Domain and module applications:

Application fields and module examples



**1. Automotive electronics**: In automotive electronic systems, the DMN4040SK3-VB can be used to drive motors, control relays, and manage in-vehicle power distribution systems. Its high current handling capability and low on-resistance ensure the efficiency and reliability of the system, which is especially important in electric and hybrid vehicles.



**2. Power management systems**: The DMN4040SK3-VB is widely used in power management systems, such as DC-DC converters and power switch modules. The device can withstand high currents at low on-resistance, allowing power management circuits to operate at high efficiency, thereby reducing system power consumption and heat generation.



**3. Industrial control**: In industrial automation and control systems, this MOSFET is suitable for driving high-power loads such as solenoid valves, relays, and industrial motor control. The high current carrying capability and reliable switching characteristics of the DMN4040SK3-VB make it excel in demanding industrial applications.



**4. Consumer electronics**: This MOSFET is also suitable for a variety of consumer electronic devices, such as LED drivers, power adapters, and battery management systems. In these applications, the DMN4040SK3-VB provides stable current management and efficient power control, thereby extending the life of the device and improving the user experience.



DMN4040SK3-VB MOSFET is widely used in automotive, industrial and consumer electronics fields with its excellent electrical characteristics and high efficiency, meeting the strict requirements for efficient power conversion and stable current control.
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features

Technical support:

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