The CDRH4D28NP-220NC is a fixed inductor manufactured by Sumida. It has a maximum inductance of 22uH and a maximum rated current of 0.7A. It is housed in a small surface mount component, measuring only 4 x 3.7 mm. This makes it ideal for use in tight spaces, making it perfect for use in small and portable electronics. The CDRH4D28NP-220NC is designed for use in products such as power converters, telecom power supplies, and portable electronic devices.