The WAKEFIELD Part 413K is a high-quality passive heat sink designed for TO-3 and DO-5 packages. Made from durable aluminum alloy, this heat sink efficiently dissipates heat and helps maintain optimal operational temperatures for electronic components. With a low thermal resistance of only 0.85°C/W, it effectively transfers heat away from the device, preventing overheating and ensuring reliable performance. The sleek black anodized finish not only enhances the heat sink's aesthetics but also improves its thermal conductivity. Easy to mount on studs, this heat sink is a must-have for applications that require effective heat dissipation and thermal management.