TDK-Lambda recommends a PCB layout with a solid ground plane and a thermal pad connected to a heat sink or a metal chassis to ensure efficient heat dissipation. A minimum of 1 oz copper thickness is recommended for the PCB.
To ensure EMC, TDK-Lambda recommends using a metal enclosure, keeping the DC input and output cables as short as possible, and using EMI filters or shielding on the input and output lines.
The derating curve for the JWT75-525 is not explicitly stated in the datasheet, but TDK-Lambda recommends derating the output power by 2.5% per degree Celsius above 50°C to ensure reliable operation.
Yes, the JWT75-525 can be used in a redundant or parallel configuration, but it's essential to ensure that the units are synchronized and that the output voltages are matched to prevent current imbalance and reduce the risk of damage.
The MTBF rating for the JWT75-525 is not explicitly stated in the datasheet, but TDK-Lambda estimates it to be around 1.5 million hours at 40°C, based on MIL-HDBK-217F calculations.
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JWT75-525 Overview
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