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The 143-17J12 from Coilcraft is a RF Inductor with Inductance 0.83 uH, DC Resistance 0.0264 Ohms, DC Current 5.8 mA, Self Resonant Frequency 215 MHz. More details for 143-17J12 can be seen below.
Ferrite Chip Inductors for use in Mobile & Infrastructure Equipments
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