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.
• Other applications include:
Line Filters, Speaker
• Low loss Ferrite material.
• Cost effective.
Crossover Networks, SCR
and Triac Controls etc.
• Available with heat shrink vinyl cover.
MECHANICAL
Dimensions, Inches (mm)
A
B
C
E
0.83
0.84
Hole to clear
No. 4/40 screw
See Electrical
Specs. table.
ELECTRICAL SPECIFICATION
(1)
10% (µH)
(2)
(3)
(1)
10% (µH)
(2)
(3)
Ind.
Max DCR I DC
I Rated
E
Ind.
Max DCR I DC
I Rated
E
Part No.
(Ω)
(Amp) DC (Amp) RMS (Nom.)
Part No.
(Ω)
(Amp) DC (Amp) RMS (Nom.)
CBP1252-22G
CBP1252-27G
CBP1252-33G
CBP1252-39G
2.2
2.7
3.3
3.9
0.004
0.005
0.005
0.005
68.0
58.0
58.0
50.0
11.4
11.4
11.4
11.4
0.62
0.62
0.62
0.62
CBP1252-101 100.0
CBP1252-121 120.0
CBP1252-151 150.0
CBP1252-181 180.0
0.080
0.090
0.098
0.110
10.4
9.4
8.6
7.8
4.0
4.0
4.0
4.0
0.59
0.59
0.59
0.67
CBP1252-47G
CBP1252-56G
CBP1252-68G
CBP1252-82G
4.7
5.6
6.8
8.2
0.005
0.006
0.007
0.007
50.0
44.0
39.0
36.0
11.4
11.4
11.4
11.4
0.62
0.62
0.62
0.62
CBP1252-221 220.0
CBP1252-271 270.0
CBP1252-331 330.0
CBP1252-391 390.0
0.150
0.213
0.305
0.320
7.0
6.3
5.2
4.9
2.8
2.0
1.6
1.6
0.59
0.56
0.59
0.59
CBP1252-100
CBP1252-120
CBP1252-150
CBP1252-180
10.0
12.0
15.0
18.0
0.009
0.009
0.013
0.018
30.0
27.0
25.0
22.0
11.4
11.4
9.0
0.62
0.62
0.63
0.63
CBP1252-471 470.0
CBP1252-561 560.0
CBP1252-681 680.0
CBP1252-821 820.0
0.355
0.388
0.430
0.590
4.5
4.1
3.7
3.4
1.6
1.6
1.6
1.3
0.59
0.59
0.59
0.59
7.2
CBP1252-220
CBP1252-270
CBP1252-330
CBP1252-390
22.0
27.0
33.0
39.0
0.019
0.026
0.029
0.030
21.0
20.0
18.6
17.0
7.2
5.5
5.6
5.5
0.63
0.55
0.55
0.59
CBP1252-102 1000.0
CBP1252-122 1200.0
CBP1252-152 1500.0
CBP1252-182 1800.0
CBP1252-222 2200.0
0.818
1.140
1.260
1.390
1.540
3.1
2.7
2.4
2.2
2.0
1.0
0.8
0.8
0.8
0.8
0.59
0.59
0.59
0.59
0.59
CBP1252-470
CBP1252-560
CBP1252-680
CBP1252-820
47.0
56.0
68.0
82.0
0.035
0.039
0.053
0.060
15.1
13.6
12.7
11.3
5.5
5.5
4.8
4.8
0.63
0.63
0.66
0.66
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.
229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com
An ISO 9001 Registered Company
31-2