The WAKEFIELD part 401K is a high-quality heat sink designed for passive cooling of electronic components. This model features a TO-3 vertical stud mount, made of durable aluminum alloy with a sleek black anodized finish. With a low thermal resistance of 1.5°C/W, this heat sink efficiently dissipates heat and ensures optimal performance of your components. Ideal for a variety of applications, the WAKEFIELD 401K provides reliable thermal management in a compact and versatile design.