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AUIRFS8405TRL-VB Product details
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You are designing a high-power DC converter or motor drive module, where the PCB needs to handle large currents, low losses, and reliable heat dissipation simultaneously. Ordinary MOSFETs either lack sufficient current capacity or have high conduction losses, making system temperature difficult to control. The VBsemi AUIRFS8405TRL-VB is designed for this purpose—it combines a 40V withstand voltage, 150A ultra-high current carrying capacity, and an on-resistance of only 2mΩ, all housed in a robust TO263 package, allowing high-power power supply designs to no longer compromise on heat dissipation.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 40V | 3V | 150A | 2.5(mΩ) | 2(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 40V | 3V | 150A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 40V | 3V | 150A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N |
Voltage 40V, meeting safety margin for low-voltage high-current applications
Gate drive range ±20V, compatible with various drive levels and control schemes
Threshold voltage 3V, clear switching characteristics, stronger anti-interference capability
On-resistance 2mΩ (at 10V drive), extremely low loss, effectively reducing temperature rise
Max current 150A, easily handling high-power load surges
Trench technology, combining excellent switching performance and conduction characteristics
Gate drive range ±20V, compatible with various drive levels and control schemes
Threshold voltage 3V, clear switching characteristics, stronger anti-interference capability
On-resistance 2mΩ (at 10V drive), extremely low loss, effectively reducing temperature rise
Max current 150A, easily handling high-power load surges
Trench technology, combining excellent switching performance and conduction characteristics
Domain and module applications：
High-power DC-DC converters – Used as synchronous rectifiers or main switches, significantly reducing conduction losses and improving overall efficiency.
Motor drive modules – Support high-current transient output, enabling smooth and efficient speed control with low internal resistance.
Battery pack charge/discharge management – Provide reliable switching in high-voltage differential, high-current circuits, reducing heat generation and extending battery life.
UPS uninterruptible power supplies / energy storage inverters – Used as battery-side switches or power-stage MOSFETs, enhancing system load capacity and stability.
Automotive electronic auxiliary power supplies – Withstand vehicle voltage fluctuations, providing a robust power path for high-power loads such as headlights and heaters.
Industrial power supplies / welding equipment – Maintain low losses and stable conduction under heavy load and high-temperature environments, improving equipment reliability.
Server / communication power modules – Leverage the excellent thermal performance of the TO263 package to provide efficient power conversion solutions for high-density power boards. One-sentence summary: The AUIRFS8405TRL-VB is not an ordinary MOSFET; it is the "low-resistance channel" and "reliable cornerstone" in your high-current, high-power designs.
* 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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