The recommended land pattern for the RFB0807-4R7L inductor is a rectangular pad with a size of 1.2 mm x 1.4 mm, with a non-solder mask defined (NSMD) pad shape. This can be found in Coilcraft's application note AN-40.
The RFB0807-4R7L inductor has a maximum operating temperature of 125°C. To ensure reliable operation, it's essential to consider thermal management in your design. This includes providing adequate airflow, using thermal vias, and keeping the inductor away from heat sources.
The self-resonant frequency (SRF) of the RFB0807-4R7L inductor is not explicitly stated in the datasheet. However, according to Coilcraft's application note AN-32, the SRF can be estimated using the formula: SRF ≈ 1 / (2 * π * √(L * C)), where L is the inductance and C is the parasitic capacitance. For the RFB0807-4R7L, the estimated SRF is around 250 MHz.
While the RFB0807-4R7L inductor is suitable for high-frequency applications, its performance may degrade above 100 MHz due to the skin effect and proximity effect. For frequencies above 100 MHz, it's recommended to consider Coilcraft's high-frequency inductor series, such as the 0402HP or 0603HP series.
To ensure the reliability of the RFB0807-4R7L inductor in a high-reliability application, follow Coilcraft's recommended storage and handling procedures, and consider using their high-reliability inductor series, which are designed for demanding applications. Additionally, perform thorough testing and validation of your design to ensure the inductor meets your specific requirements.
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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.
