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U408-VB Product details

Product introduction:

1. Product Introduction

**U408-VB** is a **single N-type MOSFET**, which adopts **TO251** package, with **100V** drain-source voltage (VDS) and **35A** maximum drain current (ID). This MOSFET is suitable for power electronics applications requiring medium voltage and higher current. The **gate-source voltage (VGS)** of the product can be adjusted in the **±20V** range, with a low **gate threshold voltage (Vth)** of **1.8V**, and performs well in switching operations. Its **on-resistance (RDS(ON))** is **36mΩ**, which is suitable for high-efficiency, high-load applications, especially in power conversion, driving and power management.

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Product parameter:

VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds2.5 Rds4.5 Rds10 Technology
TO251 Single-N 100V 1.8V 35A 36mΩ Trench
VB Package Configuration VCE VGE VGEth(V) VCEsat15V ICE Technology
TO251 Single-N Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds18 Technology
TO251 Single-N 100V 1.8V 35A Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds6 Technology
TO251 Single-N 100V 1.8V 35A Trench
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
TO251 Single-N
2. Detailed parameter description

- **Model**: U408-VB
- **Package type**: TO251
- **Configuration**: Single N-type MOSFET
- **Drain-source voltage (VDS)**: 100V
- **Gate-source voltage (VGS)**: ±20V
- **Gate threshold voltage (Vth)**: 1.8V
- **On-resistance (RDS(ON))**: 36mΩ @ VGS = 10V
- **Maximum drain current (ID)**: 35A
- **Maximum power loss**: 1.3W
- **Maximum reverse leakage current**: 10μA @ VDS = 100V
- **Switching time**: 55ns (typical)
- **Maximum reverse recovery time**: 75ns
- **Operating temperature range**: -55°C to +150°C
- **Technology**: Trench
- **Maximum thermal resistance (Junction to Case)**: 62°C/W
- **Maximum current slope (di/dt)**: 50A/μs

Domain and module applications:

3. Application fields and module examples

**1. Power management and efficient power conversion**
U408-VB's high **drain-source voltage** (100V) and **low on-resistance** (36mΩ) make it very suitable for **power management systems** and **DC-DC converters**. It can effectively control higher voltages and larger currents, keeping power losses low in power conversion.

For example, in **DC-DC converters**, U408-VB can be used as the main switching element to improve conversion efficiency by regulating current and voltage. Its high current carrying capacity makes it suitable as a power management module for high-power devices, especially some industrial applications that require frequent switching and high efficiency.

**2. Motor drive and load control**
In the **motor drive control** system, U408-VB acts as a load switch, which can effectively regulate the current input of the motor to ensure the stable operation of the motor. In motor control systems that require high current and fast response, the U408-VB can withstand large current loads and is suitable for the drive control of **brushless DC motors (BLDC)** and **stepper motors**.

For example, in **power tools** or **electric vehicle drive systems**, the U408-VB can be used to control the power input of the motor, and handle high load currents through its high **ID** (35A) capability to ensure system stability and efficiency.

**3. Low-voltage and high-efficiency lighting systems**
The high **drain-source voltage** (100V) and **low on-resistance** of the U408-VB make it very suitable for **LED drive circuits** or **low-voltage lighting systems**. In these systems, MOSFETs need to efficiently control the flow of current to ensure efficient power conversion.

For example, in **LED lighting driver power supplies**, the U408-VB can be used as a switching element to regulate the current flow and ensure stable light output of the **LED**. It is able to handle high currents and improve the overall efficiency of the system, especially for high-power lighting applications.

**4. Automotive Electronics and Battery Management Systems**
In **automotive electronic systems** and **battery management systems**, the U408-VB also has application value. Due to its high current carrying capacity and moderate **drain-source voltage** (100V), it is suitable for power modules that require battery voltage and current regulation.

For example, in the battery management system (BMS) of **electric vehicles**, the U408-VB can be used as a current switch to control the charging and discharging process of the battery to ensure the safe and efficient operation of the battery pack.

**Summary**

**U408-VB** is an **N-type MOSFET** suitable for medium- and high-voltage power management and power control applications, with a **100V** drain-source voltage and a **35A** maximum drain current. Its low **RDS(ON)** and high current carrying capability make it very suitable for use in **power management**, **motor drive**, **LED lighting systems**, **automotive electronics and battery management**, etc. Its superior switching performance and high efficiency make it an ideal choice for modern power conversion applications.
* 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

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