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CS5N90A4R-VB Product details
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CS5N90A4R-VB is a Single N-MOS deeply optimized for high-voltage power switching scenarios. The SJ_Multi-EPI superjunction technology balances low conduction losses with high switching speed, and the TO252 package achieves a balance between heat dissipation capability and assembly convenience. The combination of 900V withstand voltage, 5A current-carrying capacity, and 1500mΩ on-resistance makes it a reliable choice for high-voltage applications such as switching power supplies, chargers, and industrial auxiliary power supplies, especially suitable for scenarios with strict requirements on voltage margin and system stability.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 900V | 3.5V | 5A | 1500(mΩ) | SJ_Multi-EPI |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 900V | 3.5V | 5A | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 900V | 3.5V | 5A | SJ_Multi-EPI |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N |
Product Parameters Key Selection Criteria
VDS=900V: Suitable for three-phase rectification, industrial bus, and flyback topologies, providing sufficient margin for transient voltage spikes to significantly reduce breakdown risk.
VGS=±30V: Wide gate drive range, compatible with various PWM controllers and driver ICs, simplifying gate protection circuit design.
Vth=3.5V (Typical): Moderate threshold voltage for strong noise immunity while ensuring reliable turn-on characteristics under high voltage.
RDS(on)=1500mΩ @ VGS=10V: Superjunction technology optimizes on-resistance per unit area, keeping conduction losses manageable in high-voltage applications to improve system efficiency.
ID=5A: Continuous current capability meets small to medium power high-voltage switching needs; stable output achievable with adequate heat dissipation.
Package TO252: Mainstream surface-mount package with low thermal resistance and mature soldering process, balancing thermal performance and production yield.
VDS=900V: Suitable for three-phase rectification, industrial bus, and flyback topologies, providing sufficient margin for transient voltage spikes to significantly reduce breakdown risk.
VGS=±30V: Wide gate drive range, compatible with various PWM controllers and driver ICs, simplifying gate protection circuit design.
Vth=3.5V (Typical): Moderate threshold voltage for strong noise immunity while ensuring reliable turn-on characteristics under high voltage.
RDS(on)=1500mΩ @ VGS=10V: Superjunction technology optimizes on-resistance per unit area, keeping conduction losses manageable in high-voltage applications to improve system efficiency.
ID=5A: Continuous current capability meets small to medium power high-voltage switching needs; stable output achievable with adequate heat dissipation.
Package TO252: Mainstream surface-mount package with low thermal resistance and mature soldering process, balancing thermal performance and production yield.
Domain and module applications：
(Decision Value Analysis)
Switching Power Supply (SMPS): High-voltage super junction structure significantly reduces switching losses, suitable for flyback or PFC circuits, improving overall efficiency.
Charger and Adapter: Wide withstand voltage range adapts to wide voltage input, reliably handles surge impacts, extending product lifespan.
Industrial Auxiliary Power Supply: Provides stable bus power for frequency converters and servo drives, high-voltage margin enhances system robustness.
LED Lighting Driver: Performs stably in non-isolated buck/buck-boost topologies, high withstand voltage reduces the risk of lightning surge failure.
Photovoltaic Inverter Auxiliary Circuit: Can be used for photovoltaic panel side auxiliary power supply or bus detection, withstand voltage capability aligns with distributed energy system needs.
High-Voltage DC-DC Converter: Used as a switching transistor in electric vehicle charging modules and communication base station power supplies, supporting high-frequency design. Selection Summary: The CS5N90A4R-VB achieves a balance between high voltage withstand, on-resistance, and package reliability, making it a cost-effective general-purpose choice for 900V high-voltage switching applications, especially suitable for projects with clear requirements for voltage margin, system stability, and production maintainability.
* 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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