Chokes
Drum Core Inductor
CBP1252
The CBP1252 series Inductors are wound on “Drum” style ferrite cores
and are ideal for use as Input/Output filter Inductors in Switch Mode
Power Supplies.
•
•
•
•
•
High DC levels.
Compact size.
Low loss Ferrite material.
Cost effective.
Available with heat shrink vinyl cover.
• Other applications include:
Line Filters, Speaker
Crossover Networks, SCR
and Triac Controls etc.
MECHANICAL
Dimensions, Inches (mm)
A
0.83
B
0.84
C
Hole to clear
No. 4/40 screw
E
See Electrical
Specs. table.
ELECTRICAL SPECIFICATION
Part No.
Ind. (1) Max DCR I DC (2) I Rated (3)
E
± 10% (µH)
(Ω)
(Amp) DC (Amp) RMS (Nom.)
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
0.004
0.005
0.005
0.005
0.005
0.006
0.007
0.007
0.009
0.009
0.013
0.018
0.019
0.026
0.029
0.030
0.035
0.039
0.053
0.060
68.0
58.0
58.0
50.0
50.0
44.0
39.0
36.0
30.0
27.0
25.0
22.0
21.0
20.0
18.6
17.0
15.1
13.6
12.7
11.3
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
9.0
7.2
7.2
5.5
5.6
5.5
5.5
5.5
4.8
4.8
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.63
0.63
0.63
0.55
0.55
0.59
0.63
0.63
0.66
0.66
Part No.
CBP1252-101
CBP1252-121
CBP1252-151
CBP1252-181
CBP1252-221
CBP1252-271
CBP1252-331
CBP1252-391
CBP1252-471
CBP1252-561
CBP1252-681
CBP1252-821
CBP1252-102
CBP1252-122
CBP1252-152
CBP1252-182
CBP1252-222
Ind. (1) Max DCR I DC (2) I Rated (3)
E
± 10% (µH)
(Ω)
(Amp) DC (Amp) RMS (Nom.)
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
1000.0
1200.0
1500.0
1800.0
2200.0
0.080
0.090
0.098
0.110
0.150
0.213
0.305
0.320
0.355
0.388
0.430
0.590
0.818
1.140
1.260
1.390
1.540
10.4
9.4
8.6
7.8
7.0
6.3
5.2
4.9
4.5
4.1
3.7
3.4
3.1
2.7
2.4
2.2
2.0
4.0
4.0
4.0
4.0
2.8
2.0
1.6
1.6
1.6
1.6
1.6
1.3
1.0
0.8
0.8
0.8
0.8
0.59
0.59
0.59
0.67
0.59
0.56
0.59
0.59
0.59
0.59
0.59
0.59
0.59
0.59
0.59
0.59
0.59
CBP1252-22G
CBP1252-27G
CBP1252-33G
CBP1252-39G
CBP1252-47G
CBP1252-56G
CBP1252-68G
CBP1252-82G
CBP1252-100
CBP1252-120
CBP1252-150
CBP1252-180
91/04/15
CBP1252
CBP1252-220
CBP1252-270
CBP1252-330
CBP1252-390
CBP1252-470
CBP1252-560
CBP1252-680
CBP1252-820
ISSUE A
NOTES
1) Tolerances on values below 10 µH are ± 20%.
2) I
DC
is the current for which the Inductance is reduced by appr. %5 of
its initial value.
3) I
RATED
is the current (RMS), limited by the copper loss and the
guage of the wire in the winding.
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