Littelfuse recommends a PCB layout with a large copper area for heat dissipation, and a thermal management system with a heat sink and thermal interface material to keep the junction temperature below 150°C.
Ensure good airflow around the fuse, use a heat sink with a thermal interface material, and consider using a fan or other active cooling method to keep the junction temperature below 150°C.
The maximum allowable voltage drop across the DPF240X400NA is 0.5V at the maximum rated current of 240A. Exceeding this voltage drop may affect the fuse's performance and lifespan.
The DPF240X400NA is designed for DC applications up to 400V. While it can handle some AC ripple, it's not recommended for high-frequency applications above 1 kHz. Consult Littelfuse for custom solutions or alternative products.
Consider factors such as the maximum available fault current, voltage, and operating temperature. Consult Littelfuse's selection guide and application notes, or contact their technical support for assistance.
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DPF240X400NA Overview
Use the download button to access the DPF240X400NA 3D model. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
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