DR74-220-R footprint, schematic symbol and 3D model by COILTRONICS

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DR74-220-R Details

The recommended PCB pad layout for the DR74-220-R is a rectangular pad with a minimum size of 4.5mm x 3.5mm, with a 1.5mm diameter hole in the center for the inductor's lead.
The DR74-220-R has a maximum operating temperature of 125°C. Ensure good airflow around the inductor, and consider using a heat sink or thermal interface material if operating in high-temperature environments.
The SRF of the DR74-220-R is typically above 100 MHz, but can vary depending on the specific application and PCB layout. It's recommended to consult with Coiltronics or perform simulations to determine the SRF in your specific design.
The DR74-220-R is rated for a maximum current of 2.2A. Exceeding this rating may cause the inductor to overheat or fail. Consider using a higher-rated inductor or derating the current to ensure reliable operation.
Keep the DR74-220-R at least 5mm away from sensitive components, and consider using shielding or a mu-metal shield to minimize magnetic field interference.

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