SPM4015 -CA Series TDK-EPC Corporation SMD Power Inductor Component Image & Dimension Features 1.5 max a) Small Footprint and Low Profile Design : Footprint : 4.4 x 4.1 mm Typ. Height : 1.5mm Max. b) High Power Handling Capability : Small Copper Loss Using Large Saturation Induction of Fe- based metals c) Flat inductance performance over temperature based on the high curie temperature of the iron powder core material. d) Automatic Mounting in Tape&Reel Package. 2.0 4.10.2 4.40.2 Applications Note Book & Mobile Computer, VRM, Cellular Phone, HDD, Car accesories etc. Electrical Specification TDK Identification Inductance at 0A Tol. (uH) DC Resistance Typ. Spec. Test Freq. () (kHz) (m-Ohm) (m-Ohm) Rated DC Current Idc 1 Idc 2 (A) max. (A typ. SPM4015TSPM4015TSPM4015TSPM4015TSPM4015TSPM4015TNote. +/-20% R47M-CA 0.47 100 24.4 max 22.2 10.0 13.4 +/-20% 1R0M-CA 1.0 100 39.6 max 36.0 6.7 8.9 +/-20% 1R5M-CA 1.5 100 56.0 max 51.0 4.4 5.8 +/-20% 2R2M-CA 2.2 100 71.0 max 64.5 4.3 5.8 +/-20% 128.0 max 116.4 3R3M-CA 3.3 100 2.9 3.9 +/-20% 206.5 max 4R7M-CA 4.7 100 187.7 2.7 3.7 Idc 1 : Based on the inductance change.( -30% Reduction from Nominal L Value ) Idc 2 : Based on the self temperature rise. (+40 deg typ.) Operating Temperature Range: -40 +125 (including self temperature rise) Caution: Please contact our sales person when you consider organic solvent or aqueous cleaning. Inductance .DC Superposition (A typ. 5.5 4.3 3.7 3.1 2.3 1.8 Recommended pad layout 5.0 R47 1R0 1R5 2R2 3R3 4R7 L (uH) 4.0 3.0 2.0 1.0 0.0 0 1 2 3 4 5 6 Idc (A) 7 8 9 10 as of 2013. Oct