The STP7NC40 is a N-channel 400V-0.75Ω-6A TO-220 PowerMESH™II MOSFET. It features a typical RDS(on)=0.75Ω, exceptional dv/dt capability, 100% avalanche tested and low gate charge.
The STP7NC40 is a 400 V N‑channel MOSFET offered in a TO‑220 package. It features a typical on‑resistance of 0.75 mΩ, low gate charge, and 100 % avalanche tested capability, making it suitable for high‑efficiency DC‑DC converters and motor‑control applications.
The datasheet provides extensive electrical, thermal and mechanical specifications, including absolute maximum ratings, switching characteristics, avalanche parameters, and package dimensions. It also includes test circuit diagrams and legal disclaimer information.
| Drain‑source Voltage (Vds) | 400 V |
|---|---|
| Continuous Drain Current (Id) @ 25 °C | 6 A |
| Total Power Dissipation (Pd) @ 25 °C | 100 W |
| Typical On‑Resistance (Rds(on)) | 0.75 mΩ |
| Avalanche Current (Ia) | 6 A |
| Thermal Resistance Junction‑case (RθJC) | 1.25 °C/W |
| Thermal Resistance Junction‑ambient (RθJA) | 62.5 °C/W |
The device is rated for a maximum drain‑source voltage of 400 V.
Its typical on‑resistance is 0.75 mΩ.
The maximum continuous drain current at 25 °C is 6 A.