2SK1277 is a N-channel MOS-FET with a rated working voltage of 250V, a rated working current of 30A and a maximum power dissipation of 150W. The device has high voltage resistance, low driving power consumption, fast recovery diode and other features, and is suitable for motor control, inverter, chopper and other applications.
This datasheet describes the Collmer 2SK1277 N‑channel MOS‑FET, part of the F‑V Series. It lists the device’s key features, typical applications such as motor control, inverters and choppers, and includes an outline drawing.
Key specifications include a 250 V drain‑source rating, 30 A continuous drain current, 150 W maximum power dissipation, and a typical on‑state resistance of 0.12 Ω. Thermal data, capacitances, and characteristic curves are also provided for design reference.
| Drain‑Source Voltage (VDS) | 250 V |
|---|---|
| Continuous Drain Current (ID) | 30 A |
| Maximum Power Dissipation (PD) | 150 W |
| Gate‑Source Voltage (VGS) | ±20 V |
| Thermal Resistance, channel‑to‑air (Rth(ch‑a)) | 35 °C/W |
The device is rated for a maximum drain‑source voltage of 250 V.
It can conduct up to 30 A continuously.
It is intended for motor control, inverters, and choppers.