The recommended PCB footprint for the DSA70C200HB is a rectangular pad with dimensions of 0.25 inches (6.4 mm) x 0.15 inches (3.8 mm) with a 0.05 inches (1.3 mm) radius corner. It's essential to follow the recommended footprint to ensure proper thermal performance and to prevent thermal runaway.
To select the correct fuse for your application, consider factors such as the maximum available fault current, the nominal system voltage, and the required interrupting rating. You should also consider the fuse's melting integral (I²t) and its let-through energy (I²t) to ensure it can handle the expected fault currents and energies.
The DSA70C200HB is a high-speed fuse with a faster acting time compared to other similar fuses from Littelfuse. It's designed for high-reliability applications and has a higher interrupting rating than other fuses in the same series. The 'HB' suffix indicates a higher breaking capacity and a more robust design.
Yes, the DSA70C200HB can be used in DC circuits. However, it's essential to consider the fuse's DC interrupting rating, which is typically lower than its AC interrupting rating. You should also ensure that the fuse is properly sized for the DC circuit's maximum available fault current.
To ensure the fuse is properly installed and secured on the PCB, follow the recommended PCB footprint and layout guidelines. Use a sufficient amount of solder to secure the fuse, and avoid applying excessive force or torque during installation. It's also recommended to use a fuse clip or holder to prevent the fuse from shifting or vibrating during operation.
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DSA70C200HB Overview
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