Vishay recommends a PCB layout with a large copper area connected to the thermal pad to ensure good heat dissipation. A minimum of 1 oz copper thickness is recommended, and the thermal pad should be connected to a solid copper plane or a large copper pour.
To ensure reliable soldering, follow the recommended soldering profile: peak temperature 260°C, time above 217°C 30s, and time above 183°C 90s. Use a solder with a melting point above 217°C, and avoid using excessive solder paste or flux.
The maximum allowed voltage derating for the PTCEL13R251NBE is 80% of the rated voltage. This means that if the rated voltage is 250V, the maximum allowed voltage derating would be 200V.
The PTCEL13R251NBE is designed to handle high-frequency switching up to 100 kHz. However, it's essential to consider the device's parasitic inductance and capacitance when designing the circuit. Additionally, ensure that the device is properly decoupled and that the PCB layout is optimized for high-frequency operation.
Store the PTCEL13R251NBE in a dry, cool place, away from direct sunlight and moisture. Handle the devices by the body, avoiding touching the leads or thermal pad. Use anti-static packaging and follow ESD precautions when handling the devices.
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PTCEL13R251NBE Overview
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