TDK-EPC Technology
SPM3020 -CA Series SMD Power Inductor
Component Image & Dimension
Features
2.0 max
1.5±0.1
3.0±0.1
3.2±0.1
a) Small Footprint and Low Profile Design :
Footprint : 3.2 x 3.0 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.
Applications
Note Book & Mobile Computer, VRM,
Cellular Phone, HDD, Car accesories etc.
Electrical Specification ( Provisional value )
TDK Identification
Inductance
at 0A
Tol.
(uH)
SPM3020TSPM3020TSPM3020TSPM3020TSPM3020TSPM3020TNote.
(%)
Test
Freq.
(kHz)
DC Resistance
Typ.
Spec.
(m-Ohm)
(m-Ohm)
Rated DC Current
Idc 1
Idc 2
(A) max.
(A) typ.
R47M
0.47
100
28.9max
26.3
6.7
9.0
+/-20%
1R0M
1.0
100
42.2max
38.4
4.7
6.3
+/-20%
1R5M
1.5
100
64.8max
58.9
3.3
4.4
+/-20%
2R2M
2.2
100
90.0max
81.9
3.9
3.0
+/-20%
127.2max
3R3M
3.3
100
115.6
2.6
3.5
+/-20%
173.0max
4R7M
4.7
100
157.3
2.2
2.9
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.
+/-20%
Inductance vs .DC Superposition
(A) typ.
4.8
3.8
3.4
2.8
2.2
1.9
Recommended pad layout
5.0
4.5
R47
1R0
4.0
3.5
1R5
2R2
3.0
3R3
L (uH)
4R7
2.5
2.0
1.5
1.0
0.5
0.0
0.0
2.0
4.0
Idc (A)
6.0
8.0
as of 2013.Oct
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