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The 143-19J12 from Coilcraft is a RF Inductor with Inductance 0.91 uH, DC Resistance 0.0289 Ohms, DC Current 5.6 mA, Self Resonant Frequency 190 MHz. More details for 143-19J12 can be seen below.
100, 120 and 160 nH Chip Inductors for NFC Circuits
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