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SW18N50D-VB TO220F Product details
Back to previous pageProduct introduction：
1. **Product Introduction**
**SW18N50D-VB** is a single N-channel power MOSFET in a **TO220F** package with a **550V** maximum drain-source voltage (VDS) and **18A** maximum drain current (ID). Its gate-source voltage (VGS) can withstand a maximum of **30V**, and its threshold voltage (Vth) is **3V**, which can achieve efficient switching performance under low voltage drive. The on-resistance (RDS(ON)) of this MOSFET is **260mΩ** (at VGS = 10V), which is suitable for high-voltage applications with low power loss. The **Plannar technology** is used to give it excellent electrical characteristics in high-current, high-frequency switching applications.
This MOSFET is suitable for a wide range of applications requiring high efficiency, such as power conversion, switching power supplies, inverters, industrial drives, home appliances, and battery management systems.
**SW18N50D-VB** is a single N-channel power MOSFET in a **TO220F** package with a **550V** maximum drain-source voltage (VDS) and **18A** maximum drain current (ID). Its gate-source voltage (VGS) can withstand a maximum of **30V**, and its threshold voltage (Vth) is **3V**, which can achieve efficient switching performance under low voltage drive. The on-resistance (RDS(ON)) of this MOSFET is **260mΩ** (at VGS = 10V), which is suitable for high-voltage applications with low power loss. The **Plannar technology** is used to give it excellent electrical characteristics in high-current, high-frequency switching applications.
This MOSFET is suitable for a wide range of applications requiring high efficiency, such as power conversion, switching power supplies, inverters, industrial drives, home appliances, and battery management systems.
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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. **Detailed parameter description**
- **Model**: SW18N50D-VB
- **Package type**: TO220F
- **Configuration**: Single-N-Channel
- **Maximum drain-source voltage (VDS)**: 550V
- **Maximum gate-source voltage (VGS)**: ±30V
- **Threshold voltage (Vth)**: 3V
- **On-resistance (RDS(ON))**:
- 260mΩ @ VGS = 10V
- **Maximum drain current (ID)**: 18A
- **Power consumption**: About 45W (typical value)
- **Input capacitance (Ciss)**: About 1300pF
- **Output capacitance (Coss)**: About 160pF
- **Reverse recovery time**: about 80ns
- **Switching time**: typical rise time is 60ns, fall time is 90ns
- **Operating temperature range**: -55°C to +150°C
- **Package size**: TO220F, suitable for high power applications and has good heat dissipation performance
- **Static safe operating area (SOA): provides stable working ability under various voltage and current conditions
- **Model**: SW18N50D-VB
- **Package type**: TO220F
- **Configuration**: Single-N-Channel
- **Maximum drain-source voltage (VDS)**: 550V
- **Maximum gate-source voltage (VGS)**: ±30V
- **Threshold voltage (Vth)**: 3V
- **On-resistance (RDS(ON))**:
- 260mΩ @ VGS = 10V
- **Maximum drain current (ID)**: 18A
- **Power consumption**: About 45W (typical value)
- **Input capacitance (Ciss)**: About 1300pF
- **Output capacitance (Coss)**: About 160pF
- **Reverse recovery time**: about 80ns
- **Switching time**: typical rise time is 60ns, fall time is 90ns
- **Operating temperature range**: -55°C to +150°C
- **Package size**: TO220F, suitable for high power applications and has good heat dissipation performance
- **Static safe operating area (SOA): provides stable working ability under various voltage and current conditions
Domain and module applications：
3. **Application fields and modules**
1. **Power management system**
- **SW18N50D-VB** In power management systems, especially in **DC-DC converters**, **step-up and step-down converters** (Buck, Boost), etc., it acts as an efficient switching device, providing a lower on-resistance (RDS(ON)) to reduce energy loss. This MOSFET is particularly suitable for high-voltage applications, capable of achieving high-efficiency conversion under various voltages, ensuring stable voltage output, and is suitable for industrial-grade power modules.
2. **Switching power supply (SMPS)**
- In **switching power supply** (SMPS), **SW18N50D-VB** is often used in the main switching circuit, especially in scenarios where high voltage tolerance is required, such as **high-frequency power supply**, **voltage regulating power supply** and **power factor correction (PFC) circuit**. The low on-resistance characteristic enables it to have less heat loss when handling high power, thereby improving the overall efficiency of the system.
3. **Inverters and Solar Systems**
- This MOSFET is widely used in **inverters**, especially in **solar inverters**, **wind power inverters** and other fields. Its high voltage tolerance makes it suitable for power conversion in solar panels. MOSFET can effectively handle the DC voltage conversion in solar power generation systems and convert it into AC power to meet household or industrial power needs.
4. **Power Tools and Home Appliances**
- **SW18N50D-VB** can be used in power management of **power tools** and **home appliances**, especially in high-power power tools such as **electric drills, electric saws** and other equipment, as an efficient switching device. It can provide stable current under high-power loads, reduce power loss, ensure stable operation of equipment and extend service life.
5. **Industrial Power Drive**
- In the **Industrial Drive** module, **SW18N50D-VB** is suitable for various motor drive systems, such as **Stepper Motor Drive** or **Brushless DC Motor** (BLDC) drive. Its high withstand voltage and low on-resistance characteristics make it a main switch in the motor drive system, which can efficiently control the current and ensure the smooth operation of the motor.
6. **Battery Management System (BMS)**
- In the battery management system, **SW18N50D-VB** is widely used to manage the battery charging and discharging process. MOSFET can be used in the battery protection circuit in this scenario to ensure that the battery does not have dangerous conditions such as overcurrent, overvoltage or overtemperature during charging and discharging. It is also used for reverse current protection of the battery pack to prevent the battery from reverse charging or discharging damage.
7. **Communication equipment**
- In **communication equipment**, especially **wireless base stations**, the SW18N50D-VB is used as the switching power supply part of the power amplifier module. Its high voltage tolerance and high current carrying capacity make it excel in these high-performance, high-power applications, ensuring stable operation of communication equipment.
1. **Power management system**
- **SW18N50D-VB** In power management systems, especially in **DC-DC converters**, **step-up and step-down converters** (Buck, Boost), etc., it acts as an efficient switching device, providing a lower on-resistance (RDS(ON)) to reduce energy loss. This MOSFET is particularly suitable for high-voltage applications, capable of achieving high-efficiency conversion under various voltages, ensuring stable voltage output, and is suitable for industrial-grade power modules.
2. **Switching power supply (SMPS)**
- In **switching power supply** (SMPS), **SW18N50D-VB** is often used in the main switching circuit, especially in scenarios where high voltage tolerance is required, such as **high-frequency power supply**, **voltage regulating power supply** and **power factor correction (PFC) circuit**. The low on-resistance characteristic enables it to have less heat loss when handling high power, thereby improving the overall efficiency of the system.
3. **Inverters and Solar Systems**
- This MOSFET is widely used in **inverters**, especially in **solar inverters**, **wind power inverters** and other fields. Its high voltage tolerance makes it suitable for power conversion in solar panels. MOSFET can effectively handle the DC voltage conversion in solar power generation systems and convert it into AC power to meet household or industrial power needs.
4. **Power Tools and Home Appliances**
- **SW18N50D-VB** can be used in power management of **power tools** and **home appliances**, especially in high-power power tools such as **electric drills, electric saws** and other equipment, as an efficient switching device. It can provide stable current under high-power loads, reduce power loss, ensure stable operation of equipment and extend service life.
5. **Industrial Power Drive**
- In the **Industrial Drive** module, **SW18N50D-VB** is suitable for various motor drive systems, such as **Stepper Motor Drive** or **Brushless DC Motor** (BLDC) drive. Its high withstand voltage and low on-resistance characteristics make it a main switch in the motor drive system, which can efficiently control the current and ensure the smooth operation of the motor.
6. **Battery Management System (BMS)**
- In the battery management system, **SW18N50D-VB** is widely used to manage the battery charging and discharging process. MOSFET can be used in the battery protection circuit in this scenario to ensure that the battery does not have dangerous conditions such as overcurrent, overvoltage or overtemperature during charging and discharging. It is also used for reverse current protection of the battery pack to prevent the battery from reverse charging or discharging damage.
7. **Communication equipment**
- In **communication equipment**, especially **wireless base stations**, the SW18N50D-VB is used as the switching power supply part of the power amplifier module. Its high voltage tolerance and high current carrying capacity make it excel in these high-performance, high-power applications, ensuring stable operation of communication equipment.
* 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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