APTDF400KK120 is a power module produced by APT company. It adopts a dual common cathode design, and has ultra fast recovery time, soft recovery characteristics, extremely low stray inductance, high blocking voltage, high current, low leakage current, extremely low stray inductance, symmetrical design, M5 power connectors, high integration, outstanding performance at high frequency operation, low losses, low noise switching, direct mounting to heatsink (isolated package), low junction to case thermal resistance and other features.
The APTDF400KK120 diode module is designed for high‑performance applications such as UPS, induction heating, welding equipment, high‑speed rectifiers and other high‑frequency power supplies. Its symmetrical design provides low stray inductance, high blocking voltage, low leakage and soft‑recovery characteristics.
The datasheet lists key electrical ratings (400 A forward current, 1200 V reverse voltage), dynamic parameters (28 ms reverse recovery time, 800 A/µs di/dt), and thermal specifications (junction‑to‑case resistance 0.14 °C/W, operating temperature –40 °C to 175 °C). Package dimensions, weight (280 g) and mounting torque are also provided.
| Reverse Recovery Time | 28 ms |
|---|---|
| Junction‑to‑Case Thermal Resistance | 0.14 °C/W |
| Package Weight | 280 g |
| Operating Junction Temperature Range | -40 °C to 175 °C |
The reverse recovery time is specified as 28 ms.
The package weight is 280 g.