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K3947-VB Product details
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Product Brief — K3947-VB MOSFET
The K3947-VB is a single N-channel power MOSFET in a TO220F package that features excellent voltage resistance and high reliability for use in high voltage applications. The device has a drain-source voltage (VDS) of 650V and a gate-source voltage (VGS) rating of ±30V. With an on-resistance (RDS(ON)) of 1100mΩ, it is capable of supporting current delivery up to 7A and is manufactured using conventional planar technology for a wide range of power systems requiring efficient switching, reliable control, and thermal performance.
The K3947-VB is a single N-channel power MOSFET in a TO220F package that features excellent voltage resistance and high reliability for use in high voltage applications. The device has a drain-source voltage (VDS) of 650V and a gate-source voltage (VGS) rating of ±30V. With an on-resistance (RDS(ON)) of 1100mΩ, it is capable of supporting current delivery up to 7A and is manufactured using conventional planar technology for a wide range of power systems requiring efficient switching, reliable control, and thermal performance.
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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 | 7A | 1100mΩ | 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 | 7A | Plannar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 650V | 3.5V | 7A | Plannar |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N |
Detailed parameter description
| **Parameter** | **Specification** |
|------------------|------------------------------|
| **Package type** | TO220F |
| **Polarity** | Single N-channel|
| **Drain-source voltage (VDS)** | 650V |
| **Gate-source voltage (VGS)** | ±30V |
| **Threshold voltage (Vth)** | 3.5V |
| **On-resistance (RDS(ON))** | 1100mΩ @ VGS=10V |
| **Drain current (ID)** | 7A |
| **Technology** | Planar Technology |
| **Maximum power dissipation (Ptot)** | 40W |
| **Drain-source breakdown voltage (BVDSS)** | 650V |
| **Junction Capacitance (Ciss)** | 850pF |
| **Reverse Recovery Time (trr)** | 200ns |
| **Operating Temperature Range** | -55°C to 150°C |
| **Parameter** | **Specification** |
|------------------|------------------------------|
| **Package type** | TO220F |
| **Polarity** | Single N-channel|
| **Drain-source voltage (VDS)** | 650V |
| **Gate-source voltage (VGS)** | ±30V |
| **Threshold voltage (Vth)** | 3.5V |
| **On-resistance (RDS(ON))** | 1100mΩ @ VGS=10V |
| **Drain current (ID)** | 7A |
| **Technology** | Planar Technology |
| **Maximum power dissipation (Ptot)** | 40W |
| **Drain-source breakdown voltage (BVDSS)** | 650V |
| **Junction Capacitance (Ciss)** | 850pF |
| **Reverse Recovery Time (trr)** | 200ns |
| **Operating Temperature Range** | -55°C to 150°C |
Domain and module applications：
Applications and module descriptions
**1. Power converters: **
K3947-VB is particularly suitable for high-voltage power converters, such as power switching devices in switching power supplies (SMPS). It can effectively control the transmission of high-voltage current and achieve efficient power conversion, and is suitable for AC-DC conversion modules and inverters.
**2. Industrial drive control: **
In industrial applications, this MOSFET can be used in high-voltage motor drives, inverters, and other modules that require high current control. Its 650V withstand voltage enables it to provide stable high-voltage control capabilities in harsh industrial environments.
**3. LED drive circuits: **
Due to its high voltage characteristics, K3947-VB is also suitable for high-power LED drive circuits, especially in LED lighting systems that require efficient energy conversion and high power density.
**4. Battery management and chargers: **
The device can also be used in applications that require efficient power management, such as power tools and electric vehicle chargers. Its high voltage handling capability makes it ideal for controlling current in high-power battery management systems.
**5. Inverters and Energy Storage Systems: **
For energy storage systems (ESS) and solar inverters that require high voltage and stable performance, the high current carrying capability and low on-resistance of the K3947-VB are ideal for ensuring efficient and reliable operation of the system.
**1. Power converters: **
K3947-VB is particularly suitable for high-voltage power converters, such as power switching devices in switching power supplies (SMPS). It can effectively control the transmission of high-voltage current and achieve efficient power conversion, and is suitable for AC-DC conversion modules and inverters.
**2. Industrial drive control: **
In industrial applications, this MOSFET can be used in high-voltage motor drives, inverters, and other modules that require high current control. Its 650V withstand voltage enables it to provide stable high-voltage control capabilities in harsh industrial environments.
**3. LED drive circuits: **
Due to its high voltage characteristics, K3947-VB is also suitable for high-power LED drive circuits, especially in LED lighting systems that require efficient energy conversion and high power density.
**4. Battery management and chargers: **
The device can also be used in applications that require efficient power management, such as power tools and electric vehicle chargers. Its high voltage handling capability makes it ideal for controlling current in high-power battery management systems.
**5. Inverters and Energy Storage Systems: **
For energy storage systems (ESS) and solar inverters that require high voltage and stable performance, the high current carrying capability and low on-resistance of the K3947-VB are ideal for ensuring efficient and reliable operation of the system.
* 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
Technical support：
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