-Electrical Characteristics Data- Halogen-free RoHS Metal Core SMD Power Inductors May-2012 TM MCOIL MDMK2020T3R3MM Size : 2.0 x 2.0 x 1.2mm ( 0.079 x 0.079 x 0.047 inch ) Inductance : 3.3 Saturation Current : 1,550 Temp. rise Current : 1,200 DC Resistance : 0.155 uH / / / ( test freq at 1.0MHz ) 1,350 1,150 0.178 mA ( typ. / max. ) mA ( typ. / max. ) ohm ( typ. / max. ) Saturation current typical : 30% reduction from initial L value. Temp. rise Current typical : Temperature will rise by 40 deg C MDMK2020T3R3MM DC Bias vs Inductance MDMK2020T3R3MM DC Bias vs Self Temp. Rise 60 Self Temp. Rise [deg.] 5.0 Inductance [uH] 4.0 3.0 2.0 1.0 0.0 40 30 20 10 0 0 500 1,000 1,500 2,000 DC Bias [mA] 100 10 1 0.1 0 1 10 Frequency [MHz] 0 500 1,000 DC Bias [mA] MDMK2020T3R3MM DC Bias vs Frequency Inductance [uH] 50 100 1,500 2,000