Coilcraft provides a recommended PCB land pattern in their documentation, which includes a rectangular pad with a size of 4.5 mm x 2.5 mm, and a thermal pad with a size of 2.5 mm x 2.5 mm.
The MA5421-ALD is a molded inductor, which makes it sensitive to moisture. To handle this, it's recommended to follow the standard moisture sensitivity level (MSL) guidelines for handling and storage, and to avoid exposing the component to high humidity or moisture during assembly and storage.
The MA5421-ALD has an operating temperature range of -40°C to +125°C, but it's recommended to derate the component's current rating at higher temperatures to ensure reliable operation.
To ensure proper soldering, follow the recommended soldering profile, use a solder with a melting point below 220°C, and avoid applying excessive heat or mechanical stress to the component during the soldering process.
The ESR of the MA5421-ALD is not explicitly stated in the datasheet, but it can be estimated to be around 0.1-0.2 ohms based on the component's DC resistance and inductance values.
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MA5421-ALD Overview
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About COILCRAFT
Colicraft designs and manufactures high performing magnectic components, RF chip inductors, power magnectics, and filters. Coilcraft has engineering, manufacturing, and distribution facilities in North America, Asia, and Europe.