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AUIRFP4409-VB Product details
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AUIRFP4409-VB is a Single N-MOS optimized for high-voltage high-power switching applications, using SJ_Multi-EPI (Super Junction Multi-Epitaxial) technology to achieve extremely low on-resistance and excellent switching performance at a 300V voltage rating. The TO247 package offers good heat dissipation and current-carrying capacity, suitable for industrial-grade high-reliability applications. The combination of 80A continuous current and 15mΩ on-resistance makes it an ideal power switch option for high-power-density power conversion, motor drives, and inverter systems.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO247 | Single-N | 300V | 4V | 80A | 15(mΩ) | SJ_Multi-EPI |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO247 | Single-N | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO247 | Single-N | 300V | 4V | 80A | SJ_Multi-EPI |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO247 | Single-N | 300V | 4V | 80A | SJ_Multi-EPI |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO247 | Single-N |
VDS=300V: Suitable for 220V AC rectified bus voltage (approx. 310V DC) and three-phase industrial systems, with sufficient voltage spike margin to significantly reduce avalanche breakdown risk.
VGS=±20V: Compatible with standard 12V/15V gate drives, can be directly driven by dedicated drive ICs or transformer-isolated drives without complex level matching circuits.
Vth=4V (typical): High threshold voltage, strong dv/dt interference immunity, suitable for high-interference industrial environments, effectively preventing false turn-on.
RDS(on)=15mΩ @ VGS=10V: Extremely low on-resistance, significantly reducing full-load conduction losses, improving system efficiency, and simplifying thermal design.
ID=80A: Ample continuous current margin, capable of withstanding overcurrent impacts during motor startup, load transients, etc., suitable for high-power applications.
Package TO247: Through-hole mounting with short thermal path, backplate can contact heatsink, low thermal resistance, supporting long-term full-power operation, suitable for high-power dissipation scenarios.
Domain and module applications：
Industrial Switching Power Supplies: High-voltage, high-current capability combined with low conduction losses effectively improves the efficiency of LLC or phase-shifted full-bridge topologies, reducing transformer temperature rise.
Photovoltaic Inverters and Energy Storage Systems: The 300V voltage withstand covers the bus voltage requirements of residential and commercial string inverters. The 15mΩ on-resistance reduces DC-AC conversion losses.
Motor Drives: The 80A high-current drive capability supports servo motors, spindle motors, and electric vehicle traction motors. PWM switching waveforms are clean with lower noise.
UPS Uninterruptible Power Supplies: Provides high-reliability switching in AC-DC rectifier stages and DC-AC inverter stages. The large voltage withstand margin adapts to harsh grid environments.
Electric Vehicle High-Voltage Auxiliary Systems: Suitable for DC-DC converters, on-board chargers (OBC), and battery heating control. The wide operating temperature range ensures driving reliability.
High-Power Power Factor Correction (PFC) Circuits: Low on-resistance and super-junction fast recovery characteristics reduce boost inductor size, improve PF value, and overall system efficiency.
Welding Machines/Induction Heating Equipment: Low losses under high-frequency, high-power switching. The TO247 package facilitates multi-tube parallel connection for expanding to higher power levels. Selection Summary: The AUIRFP4409-VB achieves an excellent balance between high voltage withstand, low on-resistance, and high current carrying capability. It is a preferred power MOSFET for 300V-class industrial and new energy applications. Its super-junction technology's low-loss characteristics make it particularly suitable for high-power systems with strict requirements for efficiency, thermal management, and long-term reliability.
* 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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