Coilcraft 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 3.8 mm x 2.5 mm, with a 1.3 mm diameter hole in the center for the inductor's lead.
The HPH1-1400LD has a maximum operating temperature of 125°C. To ensure reliable operation, it's essential to consider thermal management in your design. This can include providing adequate airflow, using thermal vias, and selecting a PCB material with good thermal conductivity.
The SRF of the HPH1-1400LD is not explicitly stated in the datasheet, but it can be estimated using the inductor's inductance and capacitance values. According to Coilcraft's application notes, the SRF can be calculated using the formula: SRF = 1 / (2 * π * sqrt(L * C)), where L is the inductance and C is the capacitance. Based on the datasheet values, the estimated SRF is around 150 MHz.
The HPH1-1400LD is a surface-mount device, and its mechanical robustness is suitable for most applications. However, it's essential to consider the vibration and shock requirements of your specific application. Coilcraft recommends following the IPC-7351 standard for surface-mount component attachment and ensuring that the PCB is properly secured to withstand vibrations.
To ensure the reliability of the HPH1-1400LD in a high-reliability application, follow Coilcraft's recommended storage and handling procedures, and ensure that the component is soldered correctly. Additionally, consider using a conformal coating to protect the inductor from environmental factors, and perform thorough testing and inspection during the manufacturing process.
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About COILCRAFT
Colicraft designs and manufactures high performing magnectic components, RF chip inductors, power magnectics, and filters. Coilcraft has engineering, manufacturing, and distribution facilities in North America, Asia, and Europe.
