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K4121-VB Product details
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Product Introduction:
K4121-VB is a single N-channel MOSFET in TO-220F package, designed for high voltage and high current applications. The device has a drain-source voltage (VDS) of up to 550V and a maximum gate-source voltage (VGS) of ±30V, making it suitable for power control systems that require high reliability. The turn-on voltage (Vth) of K4121-VB is 3V, the on-resistance RDS(ON) is 260mΩ @VGS=10V, and the maximum drain current (ID) can reach 18A. The use of Plannar planar technology enables it to maintain excellent performance and stability under high voltage and high temperature environments, and is widely used in power electronics and automation control fields.
K4121-VB is a single N-channel MOSFET in TO-220F package, designed for high voltage and high current applications. The device has a drain-source voltage (VDS) of up to 550V and a maximum gate-source voltage (VGS) of ±30V, making it suitable for power control systems that require high reliability. The turn-on voltage (Vth) of K4121-VB is 3V, the on-resistance RDS(ON) is 260mΩ @VGS=10V, and the maximum drain current (ID) can reach 18A. The use of Plannar planar technology enables it to maintain excellent performance and stability under high voltage and high temperature environments, and is widely used in power electronics and automation control 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 |
Detailed parameter description:
- **Package type**: TO-220F (with good heat dissipation performance and electrical isolation capability)
- **Configuration**: Single N-channel
- **Drain-source voltage (VDS)**: 550V
- **Gate-source voltage (VGS)**: ±30V
- **Through voltage (Vth)**: 3V
- **On-resistance (RDS(ON))**: 260mΩ @ VGS=10V
- **Maximum drain current (ID)**: 18A
- **Technology**: Plannar technology to ensure high withstand voltage and stability
- **Thermal management**: TO-220F package helps improve heat dissipation efficiency and is suitable for high power applications
- **Package type**: TO-220F (with good heat dissipation performance and electrical isolation capability)
- **Configuration**: Single N-channel
- **Drain-source voltage (VDS)**: 550V
- **Gate-source voltage (VGS)**: ±30V
- **Through voltage (Vth)**: 3V
- **On-resistance (RDS(ON))**: 260mΩ @ VGS=10V
- **Maximum drain current (ID)**: 18A
- **Technology**: Plannar technology to ensure high withstand voltage and stability
- **Thermal management**: TO-220F package helps improve heat dissipation efficiency and is suitable for high power applications
Domain and module applications：
Applicable fields and modules:
1. **High-voltage power conversion**: K4121-VB performs well in high-voltage switching power supplies, especially in the design of industrial power supplies and communication power supplies. It can stably handle voltages up to 550V, which helps to improve energy conversion efficiency and system stability.
2. **Photovoltaic inverter**: This MOSFET is suitable for solar inverters, which can efficiently convert direct current generated by solar energy into alternating current, ensure reliable operation in high-voltage environments, and meet the requirements of photovoltaic power generation.
3. **Motor drive**: In industrial automation and motor control systems, K4121-VB can be used for the control of medium and high-voltage motors, provide efficient switching operations, and can handle large currents of 18A to ensure the stability and efficiency of system operation.
4. **High-voltage lighting applications**: Suitable for high-voltage gas discharge lamps and high-power LED lighting systems, K4121-VB can provide stable current control to ensure good lighting effects and energy efficiency.
5. **Electric vehicle charging facilities**: This MOSFET is widely used in electric vehicle charging stations. It can achieve fast charging in a high-voltage environment, meeting the requirements of modern electric vehicles for charging speed and safety.
In summary, K4121-VB has become an important component in power electronics and high-voltage applications with its high withstand voltage of 550V, low on-resistance and excellent thermal performance. It is widely used in many fields to promote the improvement of system performance and optimization of efficiency.
1. **High-voltage power conversion**: K4121-VB performs well in high-voltage switching power supplies, especially in the design of industrial power supplies and communication power supplies. It can stably handle voltages up to 550V, which helps to improve energy conversion efficiency and system stability.
2. **Photovoltaic inverter**: This MOSFET is suitable for solar inverters, which can efficiently convert direct current generated by solar energy into alternating current, ensure reliable operation in high-voltage environments, and meet the requirements of photovoltaic power generation.
3. **Motor drive**: In industrial automation and motor control systems, K4121-VB can be used for the control of medium and high-voltage motors, provide efficient switching operations, and can handle large currents of 18A to ensure the stability and efficiency of system operation.
4. **High-voltage lighting applications**: Suitable for high-voltage gas discharge lamps and high-power LED lighting systems, K4121-VB can provide stable current control to ensure good lighting effects and energy efficiency.
5. **Electric vehicle charging facilities**: This MOSFET is widely used in electric vehicle charging stations. It can achieve fast charging in a high-voltage environment, meeting the requirements of modern electric vehicles for charging speed and safety.
In summary, K4121-VB has become an important component in power electronics and high-voltage applications with its high withstand voltage of 550V, low on-resistance and excellent thermal performance. It is widely used in many fields to promote the improvement of system performance and optimization of efficiency.
* 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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