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SW740D-VB TO220F Product details
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1. **SW740D-VB Product Introduction**
SW740D-VB is an N-Channel MOSFET with a drain-source voltage (VDS) of 550V and a maximum drain current (ID) of 18A in a TO220F package, designed for medium and high power switching power supplies, motor drives, power factor correction (PFC) and other applications. This product adopts Plannar technology and has a low on-resistance (RDS(ON) = 260mΩ @ VGS = 10V)**, suitable for high-efficiency power conversion and power conditioning applications.
SW740D-VB provides high voltage withstand capability and low switching losses, and can operate in high frequency and high power applications without generating excessive heat. Its threshold voltage (Vth) is 3V, which can ensure stable switching control and is suitable for a wide range of power electronics applications, especially in battery management, photovoltaic inverters, industrial power supplies and other fields.
SW740D-VB is an N-Channel MOSFET with a drain-source voltage (VDS) of 550V and a maximum drain current (ID) of 18A in a TO220F package, designed for medium and high power switching power supplies, motor drives, power factor correction (PFC) and other applications. This product adopts Plannar technology and has a low on-resistance (RDS(ON) = 260mΩ @ VGS = 10V)**, suitable for high-efficiency power conversion and power conditioning applications.
SW740D-VB provides high voltage withstand capability and low switching losses, and can operate in high frequency and high power applications without generating excessive heat. Its threshold voltage (Vth) is 3V, which can ensure stable switching control and is suitable for a wide range of power electronics applications, especially in battery management, photovoltaic inverters, industrial power supplies and other fields.
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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 | 550V | 3V | 18A | 260mΩ | Plannar |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | Plannar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 550V | 3V | 18A | Plannar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 550V | 3V | 18A | Plannar |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N |
2. **SW740D-VB detailed parameter description**
- **Package type**: TO220F
- **Configuration**: Single-N-Channel
- **Drain-source voltage (VDS)**: 550V
- **Gate-source voltage (VGS)**: ±30V
- **Threshold voltage (Vth)**: 3V
- **On-resistance (RDS(ON))**:
- **260mΩ @ VGS = 10V**
- **Maximum leakage current (ID)**: 18A
- **Technology type**: Plannar
- **Maximum power dissipation**: About **45W** (Specific power dissipation needs to be calculated according to actual application conditions)
- **Switching frequency**: Suitable for high-frequency applications
- **Operating temperature range**: -55°C to +150°C
- **Reverse recovery characteristics**: With fast recovery time, suitable for high-frequency switching applications
- **Maximum ramp rate (di/dt)**: Suitable for fast switching applications
- **Current switching capability**: Suitable for current control of medium and high power loads.
- **Package type**: TO220F
- **Configuration**: Single-N-Channel
- **Drain-source voltage (VDS)**: 550V
- **Gate-source voltage (VGS)**: ±30V
- **Threshold voltage (Vth)**: 3V
- **On-resistance (RDS(ON))**:
- **260mΩ @ VGS = 10V**
- **Maximum leakage current (ID)**: 18A
- **Technology type**: Plannar
- **Maximum power dissipation**: About **45W** (Specific power dissipation needs to be calculated according to actual application conditions)
- **Switching frequency**: Suitable for high-frequency applications
- **Operating temperature range**: -55°C to +150°C
- **Reverse recovery characteristics**: With fast recovery time, suitable for high-frequency switching applications
- **Maximum ramp rate (di/dt)**: Suitable for fast switching applications
- **Current switching capability**: Suitable for current control of medium and high power loads.
Domain and module applications：
3. **Application fields and module examples of SW740D-VB**
- **Power management and DC-DC converters**
SW740D-VB is suitable for **DC-DC converters**, especially **high voltage** medium power applications. Its low on-resistance characteristic helps reduce power loss and improve power conversion efficiency. It can be used in **battery-powered devices, switching power adapters, solar inverters** and other systems.
**Application example**: In **high power solar inverters**, SW740D-VB is used as a switching element to control the conversion and transmission of electrical energy, ensuring efficient operation of the system and reducing energy loss.
- **Motor drive and control**
SW740D-VB is suitable for **motor drive** circuits, especially motor control in the medium power range. In **power tools, home appliances, industrial automation** and other applications, this MOSFET can accurately control the start, stop and speed regulation of motors.
**Application example**: In **power tools (such as electric drills)**, SW740D-VB is used to adjust the speed and torque of the motor, so that the power tool can run efficiently and smoothly under different load conditions.
- **Power factor correction (PFC) circuit**
SW740D-VB is suitable for **power factor correction (PFC)** circuits to help improve the power factor of the power system and make the power drawn from the power grid more stable and efficient. It can be used for power factor correction in **switching power supplies** and **high-power chargers** to optimize the input current waveform and reduce the burden on the power grid.
**Application example**: In **high-efficiency PFC power modules**, SW740D-VB is used as a switching element to improve the current waveform, optimize the power factor, improve power efficiency and reduce energy loss.
- **High-frequency switching power supply applications**
SW740D-VB can be used in **high-frequency switching power supply applications**, such as **AC-DC converters**, **DC-DC converters**, etc. Its low on-resistance and fast switching characteristics enable it to maintain high efficiency in high-frequency switching applications and effectively reduce switching losses.
**Application example**: In **power adapter**, SW740D-VB, as an efficient switching element, can convert high-voltage AC power into low-voltage DC power to power consumer electronics while maintaining low power consumption and high conversion efficiency.
- **LED driver power supply**
SW740D-VB is also suitable for **LED driver power supply**, especially **high-voltage LED lighting applications**. It can effectively drive LEDs, provide stable current, and optimize energy efficiency, thereby extending LED life and reducing power loss.
**Application example**: In **LED lighting systems**, SW740D-VB can be used as a switching element for driving power to ensure stable operation of LED light sources while improving energy utilization.
- **Battery Management System (BMS)**
SW740D-VB is suitable for **Battery Management System** (BMS), especially in **electric vehicles, portable power systems** and **renewable energy storage systems**. MOSFET can accurately control the charging and discharging process of the battery, ensuring that the battery operates within a safe and efficient range and extending the battery life.
**Application example**: In **electric vehicle battery management systems**, SW740D-VB is used to control the charging and discharging current of the battery to ensure that the battery operates within the optimal voltage and current range.
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SW740D-VB is a **550V** withstand voltage, **18A** leakage current **N-Channel MOSFET**, with **low on-resistance** and **high switching efficiency**, making it widely applicable in medium and high power applications such as power management, DC-DC converters, motor drives, power factor correction (PFC), LED driver power supplies, etc. It can improve system efficiency, reduce power loss, and ensure stable working performance in various power electronic systems.
- **Power management and DC-DC converters**
SW740D-VB is suitable for **DC-DC converters**, especially **high voltage** medium power applications. Its low on-resistance characteristic helps reduce power loss and improve power conversion efficiency. It can be used in **battery-powered devices, switching power adapters, solar inverters** and other systems.
**Application example**: In **high power solar inverters**, SW740D-VB is used as a switching element to control the conversion and transmission of electrical energy, ensuring efficient operation of the system and reducing energy loss.
- **Motor drive and control**
SW740D-VB is suitable for **motor drive** circuits, especially motor control in the medium power range. In **power tools, home appliances, industrial automation** and other applications, this MOSFET can accurately control the start, stop and speed regulation of motors.
**Application example**: In **power tools (such as electric drills)**, SW740D-VB is used to adjust the speed and torque of the motor, so that the power tool can run efficiently and smoothly under different load conditions.
- **Power factor correction (PFC) circuit**
SW740D-VB is suitable for **power factor correction (PFC)** circuits to help improve the power factor of the power system and make the power drawn from the power grid more stable and efficient. It can be used for power factor correction in **switching power supplies** and **high-power chargers** to optimize the input current waveform and reduce the burden on the power grid.
**Application example**: In **high-efficiency PFC power modules**, SW740D-VB is used as a switching element to improve the current waveform, optimize the power factor, improve power efficiency and reduce energy loss.
- **High-frequency switching power supply applications**
SW740D-VB can be used in **high-frequency switching power supply applications**, such as **AC-DC converters**, **DC-DC converters**, etc. Its low on-resistance and fast switching characteristics enable it to maintain high efficiency in high-frequency switching applications and effectively reduce switching losses.
**Application example**: In **power adapter**, SW740D-VB, as an efficient switching element, can convert high-voltage AC power into low-voltage DC power to power consumer electronics while maintaining low power consumption and high conversion efficiency.
- **LED driver power supply**
SW740D-VB is also suitable for **LED driver power supply**, especially **high-voltage LED lighting applications**. It can effectively drive LEDs, provide stable current, and optimize energy efficiency, thereby extending LED life and reducing power loss.
**Application example**: In **LED lighting systems**, SW740D-VB can be used as a switching element for driving power to ensure stable operation of LED light sources while improving energy utilization.
- **Battery Management System (BMS)**
SW740D-VB is suitable for **Battery Management System** (BMS), especially in **electric vehicles, portable power systems** and **renewable energy storage systems**. MOSFET can accurately control the charging and discharging process of the battery, ensuring that the battery operates within a safe and efficient range and extending the battery life.
**Application example**: In **electric vehicle battery management systems**, SW740D-VB is used to control the charging and discharging current of the battery to ensure that the battery operates within the optimal voltage and current range.
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SW740D-VB is a **550V** withstand voltage, **18A** leakage current **N-Channel MOSFET**, with **low on-resistance** and **high switching efficiency**, making it widely applicable in medium and high power applications such as power management, DC-DC converters, motor drives, power factor correction (PFC), LED driver power supplies, etc. It can improve system efficiency, reduce power loss, and ensure stable working performance in various 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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