API Delevan provides a recommended PCB land pattern in their application notes, which can be found on their website. The recommended land pattern is 0.25 inches (6.4 mm) in diameter, with a 0.15 inches (3.8 mm) hole in the center for the inductor's lead.
The 1025R-18K has a maximum operating temperature of 125°C. To ensure reliable operation, it's essential to provide adequate thermal relief on the PCB, such as thermal vias or a thermal pad, to dissipate heat generated by the inductor.
The SRF of the 1025R-18K is not explicitly stated in the datasheet, but it can be estimated using the inductor's inductance and capacitance values. Typically, the SRF is around 100-200 MHz for this type of inductor.
The 1025R-18K is designed to meet the vibration requirements of MIL-STD-202, Method 204, Condition D, which means it can withstand vibrations up to 20 G's. However, it's essential to ensure that the PCB and surrounding components are also designed to withstand the same level of vibration.
The 1025R-18K is designed to meet the humidity requirements of MIL-STD-202, Method 103, Condition B. To ensure reliability in humid environments, it's essential to follow proper PCB design and assembly practices, such as using a conformal coating and ensuring good solder joints.
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1025R-18K Overview
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