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FQI5N60CTU-VB Product details
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FQI5N60CTU-VB is a Single N-MOS deeply optimized for high-voltage power switching scenarios. The Planar technology ensures robust voltage withstand characteristics and good thermal reliability, and the TO262 package balances heat dissipation and installation convenience. The combination of 650V withstand voltage, 4A current-carrying capacity, and 2500mΩ on-resistance makes it a reliable choice for industrial power supplies, auxiliary power, and high-voltage switching applications, especially suitable for systems with clear requirements for voltage margin and long-term stability.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO262 | Single-N | 650V | 3.5V | 4A | 2500(mΩ) | Planar |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO262 | Single-N | Planar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO262 | Single-N | 650V | 3.5V | 4A | Planar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO262 | Single-N | 650V | 3.5V | 4A | Planar |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO262 | Single-N |
- VDS=650V: Suitable for 220V/380V industrial buses and high-voltage auxiliary power supplies, providing ample voltage spike margin, significantly reducing avalanche breakdown risk.
- VGS=±30V: Wide gate drive window, compatible with various traditional drive circuits (10V~15V typical drive), simplifying drive design.
- Vth=3.5V (typical): Moderate threshold voltage, strong noise immunity, compatible with standard high-voltage drive schemes, preventing false turn-on.
- RDS(on)=2500mΩ @ VGS=10V: Typical on-resistance for high-voltage devices, balancing breakdown voltage and conduction loss, suitable for light to medium continuous operation.
- ID=4A: Continuous current capability meets the needs of most high-voltage auxiliary loads, with reasonable peak current margin, and the TO262 package ensures good heat dissipation.
- Package TO262: Through-hole mounting, low thermal resistance, suitable for power board layout, easy to attach heatsinks, enhancing long-term system reliability.
- VGS=±30V: Wide gate drive window, compatible with various traditional drive circuits (10V~15V typical drive), simplifying drive design.
- Vth=3.5V (typical): Moderate threshold voltage, strong noise immunity, compatible with standard high-voltage drive schemes, preventing false turn-on.
- RDS(on)=2500mΩ @ VGS=10V: Typical on-resistance for high-voltage devices, balancing breakdown voltage and conduction loss, suitable for light to medium continuous operation.
- ID=4A: Continuous current capability meets the needs of most high-voltage auxiliary loads, with reasonable peak current margin, and the TO262 package ensures good heat dissipation.
- Package TO262: Through-hole mounting, low thermal resistance, suitable for power board layout, easy to attach heatsinks, enhancing long-term system reliability.
Domain and module applications：
- High-Voltage Auxiliary Power Supplies: The 650V voltage rating covers three-phase rectified bus voltage; Planar technology offers strong surge immunity, extending power module lifespan.
- Switch Mode Power Supplies (SMPS) Primary Side Switch: Low switching losses and high-voltage characteristics match flyback/forward topologies, optimizing overall efficiency.
- LED Lighting Drivers: Used as a power switch in high-voltage constant current schemes; voltage margin handles inductive spikes, reducing failure risk.
- Industrial Control and Variable Frequency Drives: Suitable for bus pre-charge, braking circuits, or auxiliary relay drives, offering reliable operation and strong short-circuit robustness.
- Photovoltaic Inverter Auxiliary Circuits: Adapts to high-voltage DC/DC bus, providing stable driving and ensuring long-term system operation.
- Home Appliance Power Boards: Wide voltage range adapts to grid fluctuations; TO262 package facilitates production line assembly and heat dissipation design.
**Selection Summary**: The FQI5N60CTU-VB achieves a reliable balance between high voltage withstand, conduction losses, and package heat dissipation. It is a cost-effective, general-purpose choice for 650V class light-to-medium load switching applications, particularly suitable for power and industrial scenarios with stringent requirements for voltage safety margins and system 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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