SPM4015 -CA Series
TDK-EPC Corporation
SMD Power Inductor
Component Image & Dimension Features
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
1.5 max
Using Large Saturation Induction of
Fe- based metals
c) Flat inductance performance over temperature
based on the high curie temperature of the iron
2.0
powder core material.
d) Automatic Mounting in Tape&Reel Package.
4.1 0.2
4.4 0.2
Applications
Note Book & Mobile Computer, VRM,
Cellular Phone, HDD, Car accesories etc.
Electrical Specification
Inductance DC Resistance Rated DC Current
Test
TDK Identification
at 0A Tol. Freq. Spec. Typ. Idc 1 Idc 2
(uH) () (kHz) (m-Ohm) (m-Ohm) (A) max. (A typ. (A typ.
+/-20%
SPM4015T- R47M-CA 0.47 100 24.4 max 22.2 10.0 13.4 5.5
SPM4015T- +/-20%
1R0M-CA 1.0 100 39.6 max 36.0 6.7 8.9 4.3
+/-20%
SPM4015T- 1R5M-CA 1.5 100 56.0 max 51.0 4.4 5.8 3.7
SPM4015T- +/-20%
2R2M-CA 2.2 100 71.0 max 64.5 4.3 5.8 3.1
+/-20%
SPM4015T- 3R3M-CA 3.3 100 128.0 max 116.4 2.9 3.9 2.3
SPM4015T- +/-20% 206.5 max
4R7M-CA 4.7 100 187.7 2.7 3.7 1.8
Note. 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.
Recommended pad layout
Inductance .DC Superposition
5.0
R47
1R0
4.0
1R5
2R2
3.0
3R3
4R7
2.0
1.0
0.0
0 1 2 3 4 5 6 7 8 9 10
Idc (A)
as of 2013. Oct
L (uH)