Coiltronics ? High Frequency Inductor Catalog
Inductor Selection for Switching Regulators
SDH3812
Rate d
Part
DCR DCR
Part
N u mber
In du ctance
( μ H)
OCL Marking Irms
μ H ± 20% Designator Amps
Isat
Amps
Ω @20°C Ω @20°C
(Typical) (Maxim u m)
SDH3812-1R0-R
1.0
0.8 9
B 2.07
3.00
0.045 0.054
SDH3812-1R5-R
1.5
1.4 9
D 1. 6 7
2.30
0.0 69
0.083
SDH3812-2R2-R
SDH3812-3R3-R
2.2
3.3
2.23 E 1.37
3.17 F 1.14
1. 9 0
1. 6 0
0.104 0.124
0.148 0.177
SDH3812-4R7-R
4.7
4. 96
G 0. 9 4
1.25
0.220 0.2 6 4
S D H 3 8 1 2
SDH3812-100-R
SDH3812-220-R
SDH3812-330-R
SDH3812-470-R
SDH3812-101-R
SDH3812-221-R
10.0
22.0
33.0
47.0
100.0
220.0
9 . 6 7 J 0. 69
22.00 L 0.50
32. 9 0 M 0.41
4 6 .20 N 0.34
9 7.50 Q 0.25
218.50 S 0.1 6
0.88
0. 6 1
0.4 9
0.41
0.28
0.1 9
0.3 9 8 0.478
0.750 0. 9 00
1.132 1.358
1.583 1. 9 00
3.042 3. 6 50
7.017 8.420
N o t e : For full product information and a listing of all available inductor values, see http://www.cooperbussmann.com/datasheets/elx , Data Sheet number SDH3812 Series.
SDH3812 Dimensions - mm
Pin #1 in d ic a tor
Top View
M a rking
Side View
1.2 M a x.
Bottom View
4.8 M a x.
3.65 Typ.
2.03 +/-0.1
Recommended Pad Layout
1.0
Schematic
1.25 Typ.
2.5
2 plcs
2 plcs
3.8 +.02/-0.1
3.8 +.02/-0.1
0.90 M a x.
no pl a ting
5.0
0.415 Min.
SD3814
Rate d
OCL Part
DCR
Part
In du ctance μ H ± 15% Marking
Irms
Isat
Ω
N u mber
( μ H)
Designator
Amps
Amps
Typical
SD3814-1R2-R
SD3814-1R5-R
SD3814-2R2-R
1.2
1.5
2.2
1.001
1.28 6
1. 96 2
C
D
E
1.85
1.7 6
1.43
2. 6 7
2.35
1. 9 0
0.04 6
0.051
0.077
SD3814-3R3-R
SD3814-4R7-R
SD3814-100-R
SD3814-220-R
SD3814-330-R
SD3814-470-R
3.3
4.7
10.0
22.0
33.0
47.0
2.781
4.27 6
9 .830
21.18 6
32.151
47.210
F
G
J
L
M
N
1.31
1.0 6
0.713
0.51 9
0.418
0.34 6
1. 6 0
1.2 9
0.851
0.580
0.471
0.388
0.0 9 3
0.141
0.311
0.58 9
0. 9 08
1.322
S D 3 8 1 4
Note: For full product information and a listing of all available inductor values, see http://www.cooperbussmann.com/datasheets/elx , Data Sheet number SD38 Series.
SD3814 Dimensions - mm
Top View
Pin #1 indicator
Marking
S ide View
1.4
Max
Bottom View
4.8
Max
3.65
Recommended Pad Layout
1.0
2 plcs
S chematic
(see note A)
Typ
1.25
± 0.12
0.09 Max
no plating
2.5
2 plcs
4.0 typ
5.0
2.03
± .02
4.0
4.0
Max
Max
0.415 Min
For product information and data sheets, visit www.cooperbussmann.com/datasheets/elx
53
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