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STF40N20-VB Product details
Back to previous pageProduct introduction：
1. **Product Introduction:**
STF40N20-VB is a unipolar N-type MOSFET in TO220F package with a drain-source voltage (VDS) of 200V and a maximum drain current (ID) of 45A. This MOSFET uses Trench technology to provide excellent switching performance and low on-resistance (RDS(ON) 38mΩ @ VGS=10V), suitable for efficient power conversion and current control applications. Its threshold voltage (Vth) is 3V, ensuring startup at a moderate gate drive voltage. STF40N20-VB is mainly used for efficient power management, drive control and load regulation applications, and is widely used in industrial equipment, power electronics and automotive electronics.
STF40N20-VB is a unipolar N-type MOSFET in TO220F package with a drain-source voltage (VDS) of 200V and a maximum drain current (ID) of 45A. This MOSFET uses Trench technology to provide excellent switching performance and low on-resistance (RDS(ON) 38mΩ @ VGS=10V), suitable for efficient power conversion and current control applications. Its threshold voltage (Vth) is 3V, ensuring startup at a moderate gate drive voltage. STF40N20-VB is mainly used for efficient power management, drive control and load regulation applications, and is widely used in industrial equipment, power electronics and automotive electronics.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 200V | 3V | 45A | 38mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 200V | 3V | 45A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 200V | 3V | 45A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N |
2. **Detailed parameter description:**
- **Package:** TO220F
- **Configuration:** Single-N-Channel
- **Drain-source voltage (VDS):** 200V
- **Gate-source voltage (VGS):** ±20V
- **Threshold voltage (Vth):** 3V
- **On-resistance (RDS(ON)):** 38mΩ @ VGS=10V
- **Maximum drain current (ID):** 45A
- **Technology:** Trench
- **Package:** TO220F
- **Configuration:** Single-N-Channel
- **Drain-source voltage (VDS):** 200V
- **Gate-source voltage (VGS):** ±20V
- **Threshold voltage (Vth):** 3V
- **On-resistance (RDS(ON)):** 38mΩ @ VGS=10V
- **Maximum drain current (ID):** 45A
- **Technology:** Trench
Domain and module applications：
3. **Application fields and module examples:**
- **Power conversion and management:** STF40N20-VB is suitable for AC/DC converters, DC/DC converters and high-efficiency power management systems, especially in industrial power supplies, telecommunications power supplies and computer power supplies. Its low on-resistance (38mΩ @ VGS=10V) helps reduce the losses generated during the conversion process, thereby improving power efficiency, reducing energy waste, and optimizing the thermal management of the system. This MOSFET is ideal for efficient power conversion equipment, providing fast switching speeds and high reliability.
- **Motor drive system:** This MOSFET is very suitable for motor drive control systems, especially in power tools, industrial automation, robotics and electric vehicles. STF40N20-VB can effectively control the starting, acceleration and operation of the motor to ensure a smooth driving process, and its high current capability and low conduction loss help improve the efficiency and stability of the motor control system.
- **Automotive electronics:** In the field of automotive electronics, STF40N20-VB is often used in automotive battery management systems (BMS), responsible for battery charging and discharging control. Its low on-resistance and high current capability can provide efficient current transmission in the battery system, helping to extend battery life and improve battery efficiency. In addition, STF40N20-VB can also be used in systems such as automotive motor drives, DC-DC converters and inverters.
- **LED drive:** This MOSFET can be used in LED drive circuits to provide precise current control. In LED drive, STF40N20-VB can efficiently convert and regulate voltage to provide a stable current supply for LED lamps, especially in high-power LED applications. Due to its low on-resistance, it can reduce energy loss and reduce system temperature rise, thereby improving the reliability and efficiency of the drive system.
- **Battery-powered devices:** In portable battery-powered devices such as laptops, mobile power supplies, and handheld devices, the STF40N20-VB can be used in battery protection circuits and battery charging systems. Its high current handling capability and low on-resistance make it an ideal choice for improving battery charging efficiency, reducing power consumption, and extending battery life.
- **Power amplifier:** The STF40N20-VB can be used in power amplifiers, especially in systems that require high efficiency and high power transmission. Its low on-resistance ensures lower power loss during signal amplification and improves the overall efficiency of the system.
In summary, the STF40N20-VB is a MOSFET with high voltage and high current capabilities, suitable for power conversion, drive control, motor control, automotive electronics, LED drive, battery management and other fields. With its excellent performance, it can provide reliable solutions in various high-efficiency power electronic systems.
- **Power conversion and management:** STF40N20-VB is suitable for AC/DC converters, DC/DC converters and high-efficiency power management systems, especially in industrial power supplies, telecommunications power supplies and computer power supplies. Its low on-resistance (38mΩ @ VGS=10V) helps reduce the losses generated during the conversion process, thereby improving power efficiency, reducing energy waste, and optimizing the thermal management of the system. This MOSFET is ideal for efficient power conversion equipment, providing fast switching speeds and high reliability.
- **Motor drive system:** This MOSFET is very suitable for motor drive control systems, especially in power tools, industrial automation, robotics and electric vehicles. STF40N20-VB can effectively control the starting, acceleration and operation of the motor to ensure a smooth driving process, and its high current capability and low conduction loss help improve the efficiency and stability of the motor control system.
- **Automotive electronics:** In the field of automotive electronics, STF40N20-VB is often used in automotive battery management systems (BMS), responsible for battery charging and discharging control. Its low on-resistance and high current capability can provide efficient current transmission in the battery system, helping to extend battery life and improve battery efficiency. In addition, STF40N20-VB can also be used in systems such as automotive motor drives, DC-DC converters and inverters.
- **LED drive:** This MOSFET can be used in LED drive circuits to provide precise current control. In LED drive, STF40N20-VB can efficiently convert and regulate voltage to provide a stable current supply for LED lamps, especially in high-power LED applications. Due to its low on-resistance, it can reduce energy loss and reduce system temperature rise, thereby improving the reliability and efficiency of the drive system.
- **Battery-powered devices:** In portable battery-powered devices such as laptops, mobile power supplies, and handheld devices, the STF40N20-VB can be used in battery protection circuits and battery charging systems. Its high current handling capability and low on-resistance make it an ideal choice for improving battery charging efficiency, reducing power consumption, and extending battery life.
- **Power amplifier:** The STF40N20-VB can be used in power amplifiers, especially in systems that require high efficiency and high power transmission. Its low on-resistance ensures lower power loss during signal amplification and improves the overall efficiency of the system.
In summary, the STF40N20-VB is a MOSFET with high voltage and high current capabilities, suitable for power conversion, drive control, motor control, automotive electronics, LED drive, battery management and other fields. With its excellent performance, it can provide reliable solutions in various high-efficiency power electronic systems.
* 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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