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KF4N65F-VB Product details
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1. KF4N65F-VB Product Introduction
KF4N65F-VB is a single-channel N-type MOSFET in TO220F package with high voltage tolerance, capable of operating at a drain voltage (VDS) of 650V and a gate drive voltage (VGS) of ±30V. The device has a turn-on voltage (Vth) of 3.5V, an on-resistance (RDS(ON)) of 2560mΩ@VGS=10V, and a maximum continuous drain current (ID) of 4A. KF4N65F-VB adopts planar process technology, which is suitable for high-voltage, low-current application scenarios, and can effectively cope with power control requirements in switch-mode power supplies and other high-voltage circuits.
KF4N65F-VB is a single-channel N-type MOSFET in TO220F package with high voltage tolerance, capable of operating at a drain voltage (VDS) of 650V and a gate drive voltage (VGS) of ±30V. The device has a turn-on voltage (Vth) of 3.5V, an on-resistance (RDS(ON)) of 2560mΩ@VGS=10V, and a maximum continuous drain current (ID) of 4A. KF4N65F-VB adopts planar process technology, which is suitable for high-voltage, low-current application scenarios, and can effectively cope with power control requirements in switch-mode power supplies and other high-voltage circuits.
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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 | 650V | 3.5V | 4A | 2560mΩ | 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 | 650V | 3.5V | 4A | Plannar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 650V | 3.5V | 4A | Plannar |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N |
2. KF4N65F-VB Detailed parameter description
- **Package type**: TO220F
- **Polarity**: Single channel N type
- **Drain-source voltage (VDS)**: 650V
- **Gate-source voltage (VGS)**: ±30V
- **Throw-on voltage (Vth)**: 3.5V
- **On-resistance (RDS(ON))**: 2560mΩ@VGS=10V
- **Maximum drain current (ID)**: 4A
- **Technology**: Plannar
- **Maximum power consumption**: Not provided in specified cases, refer to specific application conditions
- **Switching speed**: Depends on the drive circuit, moderate for planar technology
- **Input capacitance (Ciss)**: Usually medium to low, reducing the load on the circuit
- **Application scenarios**: Suitable for high voltage switches, inverters and power management
- **Package type**: TO220F
- **Polarity**: Single channel N type
- **Drain-source voltage (VDS)**: 650V
- **Gate-source voltage (VGS)**: ±30V
- **Throw-on voltage (Vth)**: 3.5V
- **On-resistance (RDS(ON))**: 2560mΩ@VGS=10V
- **Maximum drain current (ID)**: 4A
- **Technology**: Plannar
- **Maximum power consumption**: Not provided in specified cases, refer to specific application conditions
- **Switching speed**: Depends on the drive circuit, moderate for planar technology
- **Input capacitance (Ciss)**: Usually medium to low, reducing the load on the circuit
- **Application scenarios**: Suitable for high voltage switches, inverters and power management
Domain and module applications：
III. Application fields and module examples of KF4N65F-VB
1. **Switch mode power supply (SMPS)**
In switch mode power supply, KF4N65F-VB is very suitable for high voltage DC converter, AC-DC converter and other modules due to its high withstand voltage of 650V. This application scenario requires MOSFET to switch quickly to reduce power consumption while ensuring stability under high voltage conditions.
2. **Drive circuit of lighting equipment**
In LED lighting and fluorescent lamp ballasts, KF4N65F-VB can be used to drive high voltage circuits, making them suitable for long-term operation under high voltage, while ensuring low leakage current and power consumption, improving overall efficiency.
3. **Inverter**
An inverter is a device that converts direct current into alternating current. The high withstand voltage characteristics and 4A current capability of KF4N65F-VB enable it to be effectively used in low-power inverter modules, especially in home or portable power devices, to ensure robust control of the high-voltage side.
4. **Motor drive**
In some low-power motor drive circuits, KF4N65F-VB can achieve efficient power transmission by controlling the start and stop of the motor. At the same time, it has good high-voltage resistance and is suitable for higher-voltage drive motor applications.
Due to its high withstand voltage and medium current capability, KF4N65F-VB is often used in modules that require high-voltage current control, such as power conversion, lighting drive, and motor control.
1. **Switch mode power supply (SMPS)**
In switch mode power supply, KF4N65F-VB is very suitable for high voltage DC converter, AC-DC converter and other modules due to its high withstand voltage of 650V. This application scenario requires MOSFET to switch quickly to reduce power consumption while ensuring stability under high voltage conditions.
2. **Drive circuit of lighting equipment**
In LED lighting and fluorescent lamp ballasts, KF4N65F-VB can be used to drive high voltage circuits, making them suitable for long-term operation under high voltage, while ensuring low leakage current and power consumption, improving overall efficiency.
3. **Inverter**
An inverter is a device that converts direct current into alternating current. The high withstand voltage characteristics and 4A current capability of KF4N65F-VB enable it to be effectively used in low-power inverter modules, especially in home or portable power devices, to ensure robust control of the high-voltage side.
4. **Motor drive**
In some low-power motor drive circuits, KF4N65F-VB can achieve efficient power transmission by controlling the start and stop of the motor. At the same time, it has good high-voltage resistance and is suitable for higher-voltage drive motor applications.
Due to its high withstand voltage and medium current capability, KF4N65F-VB is often used in modules that require high-voltage current control, such as power conversion, lighting drive, and motor control.
* 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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