DR74-4R7-R footprint, schematic symbol and 3D model by Eaton

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DR74-4R7-R Details

The recommended land pattern for the DR74-4R7-R is a rectangular pad with a size of 4.5mm x 3.5mm, with a non-solder mask defined (NSMD) pad shape.
The DR74-4R7-R has a temperature coefficient of inductance of ±15% over the operating temperature range of -40°C to 125°C. To minimize temperature-related effects, ensure proper thermal management and consider using a thermally conductive material for the PCB.
The maximum current rating for the DR74-4R7-R is 1.4A, based on a temperature rise of 40°C. However, it's essential to consider the specific application's requirements and derate the current accordingly to ensure reliable operation.
The DR74-4R7-R is designed for high-frequency applications, with a self-resonant frequency (SRF) of 150MHz. However, it's crucial to consider the inductor's impedance characteristics and potential resonance issues in the specific application.
Yes, the DR74-4R7-R is sensitive to moisture and humidity. Store the components in a dry, cool place, and handle them with anti-static precautions to prevent damage.

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