-Electrical Characteristics Data- Halogen-free RoHS Metal Core Wire-wound Chip Power Inductors May-2012 TM MCOIL MAMK2520T4R7M Size : 2.5 x 2.0 x 1.2mm ( 0.098 x 0.079 x 0.047 inch ) Inductance : 4.7 Saturation Current : 1,700 Temp. rise Current : 1,500 DC Resistance : 0.200 uH / / / ( test freq at 2.0MHz ) 1,500 1,300 0.260 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 MAMK2520T4R7M DC Bias vs Inductance MAMK2520T4R7M DC Bias vs Self Temp. Rise 60 Self Temp. Rise [deg.] 10.0 Inductance [uH] 8.0 6.0 4.0 2.0 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] MAMK2520T4R7M DC Bias vs Frequency Inductance [uH] 50 100 1,500 2,000