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The 0603CS-3N9 from Coilcraft is a RF Inductor with Inductance 0.0039 to 0.0039 uH, DC Resistance 0.08 Ohms, DC Current 0.7 mA, Self Resonant Frequency 6900 MHz. More details for 0603CS-3N9 can be seen below.
Ferrite Chip Inductors for use in Mobile & Infrastructure Equipments
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