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STP14NK50ZFP-VB Product details
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1. Product Introduction
STP14NK50ZFP-VB is a single N-Channel MOSFET in TO220F package, suitable for high voltage power electronics applications. With a maximum drain-to-source voltage (VDS) of 550V, this MOSFET is capable of handling higher voltage power conversion systems. With a maximum drain current (ID) of 18A, it is suitable for applications handling medium to high power. The on-resistance of STP14NK50ZFP-VB is 260mΩ (at VGS = 10V), ensuring low conduction losses and high power conversion efficiency. The use of planar technology enables it to exhibit good thermal performance and stability in high current and high voltage environments, and is suitable for power conversion, industrial drives and control systems that require high efficiency and high reliability.
STP14NK50ZFP-VB is a single N-Channel MOSFET in TO220F package, suitable for high voltage power electronics applications. With a maximum drain-to-source voltage (VDS) of 550V, this MOSFET is capable of handling higher voltage power conversion systems. With a maximum drain current (ID) of 18A, it is suitable for applications handling medium to high power. The on-resistance of STP14NK50ZFP-VB is 260mΩ (at VGS = 10V), ensuring low conduction losses and high power conversion efficiency. The use of planar technology enables it to exhibit good thermal performance and stability in high current and high voltage environments, and is suitable for power conversion, industrial drives and control systems that require high efficiency and high reliability.
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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**: STP14NK50ZFP-VB
- **Package type**: TO220F
- **Configuration**: Single N-Channel
- **Drain to source voltage (VDS)**: 550V
- **Gate to source voltage (VGS)**: ±30V
- **Threshold voltage (Vth)**: 3V
- **On-resistance (RDS(ON))**:
- 260mΩ @ VGS = 10V
- **Maximum drain current (ID)**: 18A
- **Technology**: Plannar technology
- **Model**: STP14NK50ZFP-VB
- **Package type**: TO220F
- **Configuration**: Single N-Channel
- **Drain to source voltage (VDS)**: 550V
- **Gate to source voltage (VGS)**: ±30V
- **Threshold voltage (Vth)**: 3V
- **On-resistance (RDS(ON))**:
- 260mΩ @ VGS = 10V
- **Maximum drain current (ID)**: 18A
- **Technology**: Plannar technology
Domain and module applications：
3. Application fields and modules
#### 1. **High-efficiency power conversion and power management**
STP14NK50ZFP-VB is an ideal switching element in high-efficiency power conversion systems, suitable for power electronics applications such as AC-DC converters, DC-DC converters and switching power supplies (SMPS). With its maximum withstand voltage of 550V and current carrying capacity of 18A, it can stably handle high voltage and high current loads. Low on-resistance (RDS(ON)) helps reduce energy loss in the power supply and optimize power conversion efficiency, thereby improving the overall energy efficiency and reliability of the power system.
#### 2. **Industrial motor drive and control**
STP14NK50ZFP-VB is widely used in industrial motor drive systems, such as AC motor and DC motor drives. It can provide stable current regulation and high current carrying capacity, especially suitable for high-power motor control systems. Whether in robots, power tools, conveyors, or industrial automation equipment, the STP14NK50ZFP-VB can effectively drive motors and ensure their efficient operation, reducing energy loss and system heating.
#### 3. **Solar Inverter**
In solar inverters, the STP14NK50ZFP-VB plays a vital role, especially in converting direct current (DC) generated by solar panels into alternating current (AC). Due to its high withstand voltage (550V) and low on-resistance, this MOSFET can efficiently transmit current, reduce energy loss, and improve the overall efficiency of solar power generation systems. The STP14NK50ZFP-VB provides high-efficiency power conversion in outdoor solar power generation systems, ensuring that the inverter works stably under different load conditions.
#### 4. **Uninterruptible Power System (UPS)**
The STP14NK50ZFP-VB is also suitable for uninterruptible power supply (UPS) systems for efficient power conversion and battery management. UPS systems usually require efficient power transmission and stability to ensure continuous power supply to equipment during power outages. The high withstand voltage capability and low on-resistance characteristics of STP14NK50ZFP-VB make it widely used in UPS systems, helping to optimize power conversion efficiency, reduce energy loss and heat generation, and improve the overall performance of the system.
#### 5. **Power tool drive**
STP14NK50ZFP-VB is suitable for motor drive systems in power tools. Since power tools need to handle high power loads when working, the 550V withstand voltage and 18A current carrying capacity provided by STP14NK50ZFP-VB can ensure stable operation of power tools under high load conditions. Low RDS(ON) helps reduce power loss in power tools, improve energy efficiency, and reduce heat generation, thereby extending the service life of the equipment.
#### 6. **Power Electronics Control and Protection**
STP14NK50ZFP-VB is suitable for high-voltage power switching and protection circuits, such as power transformers, current protection and overvoltage protection systems. Its maximum withstand voltage of 550V and high current handling capability of 18A enable it to work stably and protect power electronic equipment from overcurrent and overvoltage. The low on-resistance characteristics of MOSFET reduce power loss in the system and improve the efficiency and stability of power switches and protection circuits.
#### 7. **Electric Vehicle (EV) Charging System**
In the electric vehicle (EV) charging system, STP14NK50ZFP-VB, as part of the power conversion module, is responsible for efficiently converting alternating current (AC) to direct current (DC) to charge the battery. Its high withstand voltage of 550V and low on-resistance make it an ideal choice for optimizing power conversion during charging, helping to accelerate the charging process and extend battery life.
#### 8. **High-voltage power transmission and conversion**
STP14NK50ZFP-VB is suitable for high-voltage power transmission and conversion systems, especially in scenarios that need to withstand high voltage and high current, such as high-voltage direct current (HVDC) and other large-scale power conversion applications. With its high withstand voltage and high current carrying capacity, this MOSFET can be used for efficient power regulation and current switching to ensure the stability and efficiency of the power system.
### Summary
With a high withstand voltage of 550V and a low on-resistance of 260mΩ, STP14NK50ZFP-VB is an ideal choice for power management, power tool drive, solar inverter, uninterruptible power supply (UPS), electric vehicle charging system and other fields. It not only has a high current carrying capacity, but also can efficiently transmit power, reduce energy loss, and improve overall system efficiency. Whether in industrial motor drive or high-voltage power conversion applications, STP14NK50ZFP-VB can provide a stable and efficient power switching solution.
#### 1. **High-efficiency power conversion and power management**
STP14NK50ZFP-VB is an ideal switching element in high-efficiency power conversion systems, suitable for power electronics applications such as AC-DC converters, DC-DC converters and switching power supplies (SMPS). With its maximum withstand voltage of 550V and current carrying capacity of 18A, it can stably handle high voltage and high current loads. Low on-resistance (RDS(ON)) helps reduce energy loss in the power supply and optimize power conversion efficiency, thereby improving the overall energy efficiency and reliability of the power system.
#### 2. **Industrial motor drive and control**
STP14NK50ZFP-VB is widely used in industrial motor drive systems, such as AC motor and DC motor drives. It can provide stable current regulation and high current carrying capacity, especially suitable for high-power motor control systems. Whether in robots, power tools, conveyors, or industrial automation equipment, the STP14NK50ZFP-VB can effectively drive motors and ensure their efficient operation, reducing energy loss and system heating.
#### 3. **Solar Inverter**
In solar inverters, the STP14NK50ZFP-VB plays a vital role, especially in converting direct current (DC) generated by solar panels into alternating current (AC). Due to its high withstand voltage (550V) and low on-resistance, this MOSFET can efficiently transmit current, reduce energy loss, and improve the overall efficiency of solar power generation systems. The STP14NK50ZFP-VB provides high-efficiency power conversion in outdoor solar power generation systems, ensuring that the inverter works stably under different load conditions.
#### 4. **Uninterruptible Power System (UPS)**
The STP14NK50ZFP-VB is also suitable for uninterruptible power supply (UPS) systems for efficient power conversion and battery management. UPS systems usually require efficient power transmission and stability to ensure continuous power supply to equipment during power outages. The high withstand voltage capability and low on-resistance characteristics of STP14NK50ZFP-VB make it widely used in UPS systems, helping to optimize power conversion efficiency, reduce energy loss and heat generation, and improve the overall performance of the system.
#### 5. **Power tool drive**
STP14NK50ZFP-VB is suitable for motor drive systems in power tools. Since power tools need to handle high power loads when working, the 550V withstand voltage and 18A current carrying capacity provided by STP14NK50ZFP-VB can ensure stable operation of power tools under high load conditions. Low RDS(ON) helps reduce power loss in power tools, improve energy efficiency, and reduce heat generation, thereby extending the service life of the equipment.
#### 6. **Power Electronics Control and Protection**
STP14NK50ZFP-VB is suitable for high-voltage power switching and protection circuits, such as power transformers, current protection and overvoltage protection systems. Its maximum withstand voltage of 550V and high current handling capability of 18A enable it to work stably and protect power electronic equipment from overcurrent and overvoltage. The low on-resistance characteristics of MOSFET reduce power loss in the system and improve the efficiency and stability of power switches and protection circuits.
#### 7. **Electric Vehicle (EV) Charging System**
In the electric vehicle (EV) charging system, STP14NK50ZFP-VB, as part of the power conversion module, is responsible for efficiently converting alternating current (AC) to direct current (DC) to charge the battery. Its high withstand voltage of 550V and low on-resistance make it an ideal choice for optimizing power conversion during charging, helping to accelerate the charging process and extend battery life.
#### 8. **High-voltage power transmission and conversion**
STP14NK50ZFP-VB is suitable for high-voltage power transmission and conversion systems, especially in scenarios that need to withstand high voltage and high current, such as high-voltage direct current (HVDC) and other large-scale power conversion applications. With its high withstand voltage and high current carrying capacity, this MOSFET can be used for efficient power regulation and current switching to ensure the stability and efficiency of the power system.
### Summary
With a high withstand voltage of 550V and a low on-resistance of 260mΩ, STP14NK50ZFP-VB is an ideal choice for power management, power tool drive, solar inverter, uninterruptible power supply (UPS), electric vehicle charging system and other fields. It not only has a high current carrying capacity, but also can efficiently transmit power, reduce energy loss, and improve overall system efficiency. Whether in industrial motor drive or high-voltage power conversion applications, STP14NK50ZFP-VB can provide a stable and efficient power switching solution.
* 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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