WFF840B-VB Product details
Product introduction:
WFF840B-VB is a single N-channel power MOSFET in TO220F package, designed for high voltage applications and suitable for power electronic devices handling medium current. It has a maximum drain-source voltage (VDS) of 650V and a drain current (ID) of 12A, capable of providing reliable switching capabilities in high voltage environments. The MOSFET has an on-resistance of 680mΩ (VGS=10V) and is suitable for low to medium power conversion applications. The WFF840B-VB uses Plannar technology, has low switching losses and excellent thermal stability, and is suitable for use in switching power supplies, power tools, LED drivers and other high voltage power electronic devices.
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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 | 12A | 680mΩ | 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 | 12A | Plannar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp(V) | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 650V | 3.5V | 12A | Plannar |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N |
- **Package**: TO220F
- **Configuration**: Single N-Channel MOSFET (Single-N-Channel)
- **Drain-Source Voltage (VDS)**: 650V
- **Gate-Source Voltage (VGS)**: ±30V
- **Threshold Voltage (Vth)**: 3.5V
- **On-Resistance (RDS(ON))**:
- 680mΩ @ VGS = 10V
- **Maximum Drain Current (ID)**: 12A
- **Power Loss**: About 40W (depending on the working environment and load conditions)
- **Maximum Operating Temperature**: 150°C
- **Technology**: Plannar
- **Package Type**: TO220F (suitable for medium and high voltage and current applications)
Domain and module applications:
1. **Switching Power Supply (SMPS)**
- **Application Examples**: WFF840B-VB is suitable for switching power supply (SMPS), especially in scenarios where higher voltage is required but the load current is medium. It can be used in the high voltage switching part of DC-DC converter or AC-DC adapter. In the main switching unit of the power supply, it can work stably and provide efficient power conversion to meet high voltage power supply applications with medium current requirements.
2. **Power Tool Power Management**
- **Application Examples**: WFF840B-VB can be used for power control in power tools, such as electric drills, cutting machines and other equipment. In these applications, this MOSFET can be used to handle medium current and high voltage power conversion requirements, can work stably under higher voltage input, and provide efficient and reliable switching control to ensure the stability and long service life of the power tool.
3. **LED Driver and Lighting Power Supply**
- **Application Example**: In LED driver and lighting power supply, WFF840B-VB can be used as a switching element under high voltage input. It is suitable for power management of small and medium-sized LED lighting systems, and can provide efficient power regulation under high voltage conditions to ensure stable operation of the system. Its on-resistance is 680mΩ, which performs well in medium-power LED power supply applications.
4. **Solar Inverter**
- **Application Example**: When used as a switching element in a solar inverter, WFF840B-VB can provide efficient power conversion. Especially suitable for high-voltage photovoltaic systems (such as 600V systems), it can provide power conversion between solar panels and the grid to ensure stable operation of solar inverters under different lighting conditions.
5. **TV and Home Appliance Power Modules**
- **Application Example**: This MOSFET is also suitable for power management modules for TVs and other home appliances. Whether in the power supply system of LCD TVs or in the power management of appliances such as microwave ovens and refrigerators, the WFF840B-VB can reliably provide high-voltage switching functions and ensure the safe and efficient operation of electrical products.
6. **Battery Charger**
- **Application Example**: The WFF840B-VB is also widely used in battery chargers, especially in charging systems for high-voltage batteries (such as car batteries and UPS batteries). It can handle high voltage inputs (such as 650V or higher) and effectively control current output to ensure safety and efficiency during battery charging.
Technical support:
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