SPM4020T-4R7M-CA

SPM4020 -CA Series TDK-EPC Corporation SMD Power Inductor Component Image & Dimension Features 2.0 max a) Small Footprint and Low Profile Design : Footprint : 4.4 x 4.1 mm Typ. Height : 2.0mm 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 4.1±0.2 4.4±0.2 Applications Note Book & Mobile Computer, VRM, Cellular Phone, HDD, Car accesories etc. Electrical Specification Inductance at 0A Tol. TDK Identification (uH) DC Resistance Typ. Spec. Test Freq. (％) (kHz) (m-Ohm) (m-Ohm) Rated DC Current Idc 1 Idc 2 (A) max. (A） typ. SPM4020TSPM4020TSPM4020TSPM4020TSPM4020TSPM4020TNote. +/-20% R47M-CA 0.47 100 19.5 max 17.7 10.6 14.1 +/-20% 1R0M-CA 1.0 100 34.7 max 31.6 6.7 8.9 +/-20% 1R5M-CA 1.5 100 46.8 max 42.5 4.3 5.8 +/-20% 2R2M-CA 2.2 100 70.4 max 64.0 3.8 5.1 +/-20% 3R3M-CA 3.3 100 79.3 max 72.1 3.5 4.7 +/-20% 144.1 max 4R7M-CA 4.7 100 131.0 2.6 3.4 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 ｖｓ .DC Superposition (A） typ. 6.1 5.0 4.1 3.7 3.6 2.2 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 Nov