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SD10-3R3 High Power Density, Low Profile, Shielded Inductors ETC1
Unspecified 
SD10-3R3 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
®
SD Series
High Power Density,
Low Profile, Shielded Inductors
Part Number
SD25-3R3
SD25-4R7
SD25-6R8
SD25-8R2
SD25-100
SD25-150
SD25-220
SD25-330
SD25-470
SD25-680
SD25-820
SD25-101
SD25-151
SD25-221
SD25-331
SD25-471
SD25-681
SD25-821
SD25-102
Rated
Inductance
(µH)
3.30
4.70
6.80
8.20
10.0
15.0
22.0
33.0
47.0
68.0
82.0
100
150
220
330
470
680
820
1000
OCL (1)
+/-20%
(µH)
3.43
5.03
6.93
7.99
10.35
14.45
22.81
33.07
47.89
68.64
82.17
100.79
148.4
222.4
332.2
472.4
677.2
826.7
1003.4
Part
Marking
F
G
H
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
(1) Open Circuit Inductance Test Parameters: 100KHz, 0.25Vrms, 0.0Adc.
(2) RMS current for an approximate T of 40°C without core loss. It is
recommended that the temperature of the part not exceed 125°C.
(3) Peak current for approximate 30% roll off at 20°C.
Irms (2)
Amperes
2.64
2.39
2.19
1.92
1.80
1.67
1.34
1.11
0.919
0.741
0.713
0.670
0.553
0.446
0.359
0.293
0.262
0.230
0.216
Isat (3)
Amperes
2.21
1.83
1.56
1.45
1.27
1.08
0.857
0.711
0.592
0.482
0.441
0.398
0.328
0.268
0.219
0.184
0.154
0.139
0.126
DCR (4)
()
Typ.
0.0384
0.0467
0.0556
0.0724
0.0824
0.0956
0.1478
0.2149
0.3156
0.4850
0.5242
0.5937
0.8723
1.34
2.07
3.10
3.88
5.04
5.70
Volt
u-sec
Typ.
5.78
6.99
8.21
8.82
10.03
11.86
14.90
17.94
21.58
25.84
28.27
31.31
38.00
46.51
56.85
67.79
81.17
89.68
98.80
(4) DCR limits @ 20°C.
5) Applied Volt-Time product (V-uS) across the inductor at 100kHz necessary to
generate a core loss equal to 10% of the total losses for 40°C temperature rise.
Mechanical Diagrams
SD Series
Pin # 1
identifier
TOP VIEW
1
SIDE VIEW
Part marking
(Note A)
5.2
Max
2
HT
5.2
(see chart below)
Max
Series
SD10
SD12
SD18
SD20
SD25
HT
1.0mm max
1.2mm max
1.8mm max
2.0mm max
2.5mm max
BOTTOM VIEW
1
1.5 Typ.
Ref.
2
RECOMMENDED PCB LAYOUT
2 PAD LAYOUT
4 PAD LAYOUT
5.95
5.950
2.975
1.0
R2.250
R2.250
2.975
2.975
5.950
2.575
5.15
A) Part Marking: Line 1: (1st digit indicates the inductance value per part marking
designator in chart above)
(2nd digit is a bi-weekly production date code)
(3rd digit is the last digit of the year produced)
Line 2: 12 (indicates the product size code)
SCHEMATIC
1
2
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