The 3D15 / 2x20,0 + 1x28,0 mH from Neosid Pemetzrieder GmbH & Co. KG is a RF Inductor with Inductance 20000 µH / 28000 µH, DC Resistance 400 Ohms / 780 Ohms, Self Resonant Frequency 0.147 / 0.15 / 0.27 MHz, Operating Temperature -40 to 125 Degree C, Quality Factor 10. Tags: Wire Wound Inductor. More details for 3D15 / 2x20,0 + 1x28,0 mH can be seen below.