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SDQ25-331-R Datasheet, PDF (2/4 Pages) Cooper Bussmann, Inc. – Low-Profile Dual Winding Shielded Inductor/Transformer
Part
Number
SDQ25-R47-R
SDQ25-R82-R
SDQ25-1R0-R
SDQ25-1R5-R
SDQ25-2R2-R
SDQ25-3R3-R
SDQ25-4R7-R
SDQ25-6R8-R
SDQ25-8R2-R
SDQ25-100-R
SDQ25-150-R
SDQ25-220-R
SDQ25-330-R
SDQ25-470-R
SDQ25-680-R
SDQ25-820-R
SDQ25-101-R
SDQ25-151-R
SDQ25-221-R
SDQ25-331-R
SDQ25-471-R
SDQ25-681-R
SDQ25-821-R
SDQ25-102-R
Rated
Inductance
(µH)
0.47
0.82
1
1.5
2.2
3.3
4.7
6.8
8.2
10
15
22
33
47
68
82
100
150
220
330
470
680
820
1000
Part
Marking
A
B
C
D
E
F
G
H
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
OCL (1)
±20%
(µH)
0.392±30%
0.648±30%
0.97
1.35
2.31
2.89
5
6.73
8.71
9.8
14.79
22.47
33.8
47.43
69.19
81.61
98.57
150.2
223.1
329.7
472.4
677.4
824.3
1008.2
Parallel Ratings
Irms (2)
Amps
Isat (3)
Amps
DCR (4)
(Ω) typ.
3.71
3.37
3.15
2.97
2.67
2.50
1.96
1.84
1.57
1.53
1.24
1.01
0.812
0.749
0.603
0.580
0.499
0.408
0.326
0.292
0.243
0.197
0.186
0.160
6.43
5.00
4.09
3.46
2.65
2.37
1.80
1.55
1.36
1.29
1.05
0.849
0.692
0.584
0.484
0.446
0.405
0.328
0.269
0.222
0.185
0.155
0.140
0.127
0.0181
0.0221
0.0252
0.0283
0.0351
0.0399
0.0653
0.0741
0.1015
0.1068
0.1632
0.2431
0.3795
0.4461
0.6865
0.7435
1.00
1.50
2.36
2.93
4.25
6.45
7.25
9.82
Volts (5)
µ-Sec
typ.
2.31
2.97
3.63
4.29
5.61
6.27
8.25
9.57
10.9
11.6
14.2
17.5
21.5
25.4
30.7
33.3
36.6
45.2
55.1
67.0
80.2
96.0
106
117
OCL (1)
±20%
(µH)
1.57±30%
2.59±30%
3.87
5.41
9.25
11.55
20.00
26.91
34.85
39.20
59.17
89.89
135.2
189.7
276.8
326.4
394.3
600.6
892.4
1318.7
1889.6
2709.8
3297.3
4032.8
Irms (2)
Amps
Series Ratings
Isat (3)
Amps
DCR Ω (4)
typ.
1.86
1.68
1.58
1.49
1.34
1.25
0.98
0.918
0.785
0.765
0.619
0.507
0.406
0.374
0.302
0.290
0.249
0.204
0.163
0.146
0.121
0.098
0.093
0.080
3.21
2.50
2.05
1.73
1.32
1.18
0.900
0.776
0.682
0.643
0.523
0.425
0.346
0.292
0.242
0.223
0.203
0.164
0.135
0.111
0.093
0.077
0.070
0.063
0.0725
0.0883
0.1007
0.1130
0.1402
0.1595
0.2612
0.2964
0.4059
0.4273
0.6526
0.9724
1.52
1.78
2.75
2.97
4.02
6.00
9.42
11.71
16.99
25.78
28.99
39.26
Volts (5)
µ-Sec
typ.
4.62
5.94
7.26
8.58
11.2
12.5
16.5
19.1
21.8
23.1
28.4
35.0
42.9
50.8
61.4
66.7
73.3
90.4
110
134
160
192
212
234
(1) Test Parameters: 100kHz,.0.25 Vrms 0.0Adc
(2) Irms: DC current for approximately ΔT of 40°C without core loss. It is recommended that the
temperature of the part not to exceed 125°C. Derating is necessary for AC currents
(3) Isat: Peak current for approximately 30% rolloff @20°C
(4) DCR limits @20°C
(5) Applied Volt-Time product (V-µS) across the inductor at 100kHz necessary to generate a core loss equal
to 10% of the total losses for a 40°C temperature rise. Derating of the Irms is required to
prevent excessive temperature rise.
Part Number Definition:
SDQ12-XXX-R
SDQ12 = Product code and Size
XXX = Inductance in uH, R = Decimal point
If no R is present, third character = # of zeros.
-R suffix indicated RoHS compliant
Dimensions - mm
Pin #1 identifier
Part marking
(Note A)
Top View
1
4
5.2
Max
2
3
5.2
Max
Side View
Bottom View
1.5 typ ref
2
3
1.5 Typ.
1
4 Ref.
HT
SDQ12 = 1.2mm max.
SDQ25 = 2.5mm max.
Recommended Pad Layout
2 PAD LAYOUT
2.975 5.95
1.02
R2.250
2.975
2.575
5.15
4 PAD LAYOUT
1
4
5.950
2
3 2.975
R2.250
2.975
5.950
Schematic
1
4
2
3
TRANSFORMER
1
4
1
4
2
3
PARALL EL
2
3
SERIES
Part marking: Line 1 (1st digit inductance value per part marking designator in chart above)
Line 2: xx (indicates the product size code)
(2nd digit is a bi-weekly production date code)
(3rd digit is the last digit of the year produced)
06-13-08 SB-BU08352
Page 2 of 4
Data Sheet: 4339