2SK2638-01MR is a N-channel MOS-FET FAP-IIS Series with a maximum voltage of 450V, current of 10A, and power of 50W. It features high-speed switching, low on-resistance, no secondary breakdown, low driving power, high voltage, VGS = ±30V guarantee, and repetitive avalanche rating. It can be used for switching regulators, UPS, DC-DC converters and general purpose power amplifiers.
The 2SK2638-01MR is an N‑channel MOSFET from Collmer Semiconductor featuring a 450 V drain‑source rating, low on‑resistance (0.58‑0.65 Ω) and high‑speed switching. It is designed for use in switching regulators, UPS systems, DC‑DC converters and general‑purpose power amplifiers.
Key electrical characteristics include a continuous drain current of 10 A, a gate‑source voltage limit of +30 V, and a maximum power dissipation of 50 W. Thermal specifications list a junction‑to‑case resistance of 2.5 °C/W and a junction‑to‑air resistance of 62.5 °C/W. Typical output and transfer curves are provided for design reference.