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CS8N80FA9D-VB Product details
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CS8N80FA9D-VB is a Single N-MOSFET deeply optimized for high-voltage power switching applications. The Planar planar technology ensures robust avalanche resistance and long-term reliability, while the TO220F full-plastic package strikes a good balance between heat dissipation performance and insulation safety. With a combination of 850V voltage tolerance, 10A current capacity, and 1150mΩ on-resistance, it is a preferred device for high-voltage applications such as switching power supplies, industrial control, and white goods auxiliary power supplies, especially suitable for projects sensitive to voltage margin and system cost.
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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 | 850V | 3.3V | 10A | 1150(mΩ) | Planar |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | Planar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 850V | 3.3V | 10A | Planar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 850V | 3.3V | 10A | Planar |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N |
Key Selection Criteria
VDS=850V: Suitable for high-voltage buses after 220V/380V AC rectification, providing ample margin for voltage spikes, significantly enhancing system surge immunity.
VGS=±30V: Wide gate drive voltage range, compatible with various PWM controllers and driver ICs, reducing the risk of false turn-on and increasing drive circuit design flexibility.
Vth=3.3V (Typical): Moderate threshold voltage with strong noise immunity, less prone to false turn-on caused by dv/dt coupling noise in high-voltage applications, ensuring system safety.
RDS(on)=1150mΩ @ VGS=10V: Standard on-resistance for a high-voltage MOSFET, combined with the robustness of Planar technology, suitable for reliable operation in hard-switching topologies.
ID=10A: Continuous current capability meets medium-power high-voltage load requirements, covering the power stage design of most flyback, forward, and PFC circuits.
Package TO220F: Fully molded insulated package, can be directly mounted to a heatsink without additional insulating washers, simplifying assembly, reducing system thermal resistance and cost.
VDS=850V: Suitable for high-voltage buses after 220V/380V AC rectification, providing ample margin for voltage spikes, significantly enhancing system surge immunity.
VGS=±30V: Wide gate drive voltage range, compatible with various PWM controllers and driver ICs, reducing the risk of false turn-on and increasing drive circuit design flexibility.
Vth=3.3V (Typical): Moderate threshold voltage with strong noise immunity, less prone to false turn-on caused by dv/dt coupling noise in high-voltage applications, ensuring system safety.
RDS(on)=1150mΩ @ VGS=10V: Standard on-resistance for a high-voltage MOSFET, combined with the robustness of Planar technology, suitable for reliable operation in hard-switching topologies.
ID=10A: Continuous current capability meets medium-power high-voltage load requirements, covering the power stage design of most flyback, forward, and PFC circuits.
Package TO220F: Fully molded insulated package, can be directly mounted to a heatsink without additional insulating washers, simplifying assembly, reducing system thermal resistance and cost.
Domain and module applications：
Decision Value Analysis
Switching Power Supply (SMPS): High-voltage margin combined with robust Planar technology, suitable for primary switch tubes in flyback, dual-transistor forward, and other topologies, enhancing overall power supply reliability.
LED Lighting Driver Power Supply: 850V withstand voltage is sufficient for high-voltage linear and switching driver solutions, reducing the risk of lightning surge damage and extending lamp lifespan.
Industrial Auxiliary Power Supply: Maintains stable switching characteristics under a wide input voltage range, suitable for auxiliary power supply modules in servo drives and frequency converters.
Electric Vehicle Charger: Suitable for high-voltage side rectification and switching circuits with 220V input, strong tolerance in high-temperature environments, meeting long-term full-load operation requirements.
UPS Uninterruptible Power Supply: As a power switch in the inverter or PFC stage, it effectively withstands bus voltage fluctuations and instantaneous overshoots, ensuring continuous power supply to critical loads.
High-Voltage Inverter and Power Conversion Module: The TO220F insulated package facilitates the design of compact high-voltage power boards, simplifies safety layout, and reduces manual assembly costs.
White Goods and Kitchen Appliance Power Board: Provides a cost-effective high-voltage switching solution for switching power supplies in appliances like air conditioners and washing machines, effectively balancing performance and cost. Selection Summary: CS8N80FA9D-VB achieves a balance between high-voltage margin, packaging ease of use, and system cost. It is a cost-effective general-purpose choice for 850V high-voltage switching applications, particularly suitable for power supply projects with strict requirements for reliability, safety insulation, and long-term stability.
* 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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