API Delevan provides a recommended PCB land pattern in their application notes, which can be found on their website. The recommended land pattern is a rectangular pad with dimensions of 0.125 inches x 0.125 inches, with a 0.05-inch hole in the center for the inductor's lead.
The 1025R-32K has a temperature rating of 125°C. To handle thermal derating, you should ensure that the inductor is operated within its specified temperature range. You can use thermal simulation tools or consult with API Delevan's application engineers to determine the maximum allowable current and temperature rise for your specific application.
The self-resonant frequency (SRF) of the 1025R-32K is not explicitly stated in the datasheet. However, according to API Delevan's application notes, the SRF can be estimated using the following formula: SRF ≈ 1 / (2 * π * √(L * C)), where L is the inductance and C is the equivalent series capacitance. For the 1025R-32K, the estimated SRF is around 150 MHz.
The 1025R-32K is a commercial-grade inductor, but API Delevan offers equivalent military-grade inductors that meet the requirements of MIL-PRF-83446. You should contact API Delevan's sales team or application engineers to discuss your specific requirements and determine the best option for your application.
To ensure magnetic shielding, you should follow good PCB design practices, such as keeping the inductor away from sensitive components, using a solid ground plane, and minimizing the distance between the inductor and the PCB's ground plane. You can also use API Delevan's shielding recommendations, which can be found in their application notes.
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