Littelfuse recommends a PCB layout with a large copper area for heat dissipation, multiple vias for thermal conduction, and a minimum of 2 oz copper thickness. A thermal pad with a diameter of at least 100 mils is also recommended.
Littelfuse recommends using a soldering iron with a temperature of 250°C to 260°C, and a solder with a melting point of 180°C to 190°C. The component should be soldered within 3 seconds to 5 seconds, and the solder joints should be inspected for proper wetting and filleting.
The L70QS400.X has a maximum surge current rating of 400 A, with a pulse width of 10 ms and a repetition rate of 100 Hz.
Yes, the L70QS400.X is suitable for high-frequency applications up to 100 kHz. However, the device's performance may degrade at frequencies above 50 kHz due to internal parasitic inductance and capacitance.
To determine the correct fuse rating, you need to consider the maximum current, voltage, and power requirements of your application. You should also consider the ambient temperature, cable size, and wire gauge. Littelfuse provides a fuse selection guide and online tools to help with this process.
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L70QS400.X Overview
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