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STF9NM50N-VB Product details
Back to previous pageProduct introduction：
1. **Product Introduction:**
STF9NM50N-VB is a unipolar N-type MOSFET in TO220F package with 550V drain-source voltage (VDS) and 18A maximum drain current (ID). This MOSFET uses **Plannar** technology for high voltage applications, while having a low on-resistance (RDS(ON)) of 260mΩ @ VGS = 10V, providing reliable performance in medium and high power applications. STF9NM50N-VB is suitable for a variety of power electronic devices and modules, such as switching power supplies, inverters, industrial power control and power tools.
STF9NM50N-VB is a unipolar N-type MOSFET in TO220F package with 550V drain-source voltage (VDS) and 18A maximum drain current (ID). This MOSFET uses **Plannar** technology for high voltage applications, while having a low on-resistance (RDS(ON)) of 260mΩ @ VGS = 10V, providing reliable performance in medium and high power applications. STF9NM50N-VB is suitable for a variety of power electronic devices and modules, such as switching power supplies, inverters, industrial power control and power tools.
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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:**
- **Package:** 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 drain current (ID):** 18A
- **Technology:** Plannar
- **Package:** 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 drain current (ID):** 18A
- **Technology:** Plannar
Domain and module applications：
3. **Application fields and module examples:**
- **Switching Power Supply (SMPS):** STF9NM50N-VB is very suitable for switching power supply (SMPS) applications, especially in high voltage input power supply systems. Its 550V withstand voltage capability enables it to withstand higher input voltages and effectively control the output voltage. The low on-resistance of this MOSFET reduces switching losses, thereby improving overall power efficiency, and is suitable for various DC/DC converters, AC/DC converters, and power factor correction (PFC) circuits.
- **Inverter:** In inverter applications, STF9NM50N-VB is widely used in solar inverters, wind power system inverters, and UPS (uninterruptible power supply) systems due to its high withstand voltage and large drain current. Its high efficiency plays an important role in DC to AC power conversion, providing stable output and ensuring high efficiency and reliability of power conversion.
- **Battery Management System (BMS):** In the battery management system, the STF9NM50N-VB can be used for charge and discharge management of high-voltage battery packs. This MOSFET can be used as a switching element to control the charging and discharging process of the battery, preventing overvoltage or overcurrent from occurring, thereby protecting the battery and extending the battery life.
- **Power Tools and Motor Control:** This MOSFET is also widely used in power tools, electric vehicle control systems, and motor drive systems. Its high withstand voltage and current capacity enable it to cope with fast switching and current shocks in power tools, and is suitable for power control of equipment such as brushless motor drive systems and high-speed power tools.
- **Industrial Power Control and Speed Regulation System:** The STF9NM50N-VB is suitable for the field of industrial automation, especially in various high-power power conversion systems, such as speed regulators, motor drives, power conversion systems, etc. It can efficiently control high-power loads and provide stable output power to meet the needs of industrial control systems.
- **Lighting and power conversion equipment:** This MOSFET can also be used in LED driver power supplies and other high-power lighting systems. Due to its low on-resistance, it can effectively reduce power loss and improve conversion efficiency, so it is widely used in high-efficiency LED driver power supplies and power conversion equipment.
- **Switching Power Supply (SMPS):** STF9NM50N-VB is very suitable for switching power supply (SMPS) applications, especially in high voltage input power supply systems. Its 550V withstand voltage capability enables it to withstand higher input voltages and effectively control the output voltage. The low on-resistance of this MOSFET reduces switching losses, thereby improving overall power efficiency, and is suitable for various DC/DC converters, AC/DC converters, and power factor correction (PFC) circuits.
- **Inverter:** In inverter applications, STF9NM50N-VB is widely used in solar inverters, wind power system inverters, and UPS (uninterruptible power supply) systems due to its high withstand voltage and large drain current. Its high efficiency plays an important role in DC to AC power conversion, providing stable output and ensuring high efficiency and reliability of power conversion.
- **Battery Management System (BMS):** In the battery management system, the STF9NM50N-VB can be used for charge and discharge management of high-voltage battery packs. This MOSFET can be used as a switching element to control the charging and discharging process of the battery, preventing overvoltage or overcurrent from occurring, thereby protecting the battery and extending the battery life.
- **Power Tools and Motor Control:** This MOSFET is also widely used in power tools, electric vehicle control systems, and motor drive systems. Its high withstand voltage and current capacity enable it to cope with fast switching and current shocks in power tools, and is suitable for power control of equipment such as brushless motor drive systems and high-speed power tools.
- **Industrial Power Control and Speed Regulation System:** The STF9NM50N-VB is suitable for the field of industrial automation, especially in various high-power power conversion systems, such as speed regulators, motor drives, power conversion systems, etc. It can efficiently control high-power loads and provide stable output power to meet the needs of industrial control systems.
- **Lighting and power conversion equipment:** This MOSFET can also be used in LED driver power supplies and other high-power lighting systems. Due to its low on-resistance, it can effectively reduce power loss and improve conversion efficiency, so it is widely used in high-efficiency LED driver power supplies and power conversion 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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