The recommended land pattern for ERJB2AF220V is a rectangular pad with a size of 2.5mm x 1.25mm, with a solder mask clearance of 0.2mm. It's also recommended to have a via-in-pad design to reduce thermal resistance.
To handle thermal management, ensure good thermal conductivity between the resistor and the PCB by using a thermal via or a thermal pad. Also, consider using a heat sink or a thermal interface material (TIM) to reduce the thermal resistance.
The maximum power rating of ERJB2AF220V decreases with temperature. At 70°C, the maximum power rating is 1.5W, and at 85°C, it's 1W. Always check the derating curve in the datasheet to ensure safe operation.
ERJB2AF220V is not suitable for high-frequency applications above 100MHz due to its inductive nature. For high-frequency applications, consider using a thin-film resistor or a resistor with a lower inductance value.
To ensure reliability in a humid environment, consider applying a conformal coating to the PCB, and ensure that the resistor is not exposed to direct moisture. Also, follow the recommended storage and handling procedures to prevent moisture absorption.
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ERJB2AF220V Overview
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