Chokes
Drum Core Inductor
CBP1253
The CBP1253 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
1.10
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.)
CBP1253-22G
CBP1253-27G
CBP1253-33G
CBP1253-39G
2.2
2.7
3.3
3.9
0.003
0.003
0.003
0.003
90.0
74.0
74.0
62.0
21.0
21.0
21.0
21.0
0.80
0.80
0.80
0.80
CBP1253-221 220.0
CBP1253-271 270.0
CBP1253-331 330.0
CBP1253-391 390.0
0.080
0.110
0.122
0.169
8.7
7.9
7.1
6.7
5.5
4.5
4.5
4.0
0.78
0.75
0.71
0.75
CBP1253-47G
CBP1253-56G
CBP1253-68G
CBP1253-82G
4.7
5.6
6.8
8.2
0.003
0.003
0.004
0.004
54.0
54.0
47.0
42.0
21.0
21.0
21.0
21.0
0.80
0.80
0.80
0.80
CBP1253-471 470.0
CBP1253-561 560.0
CBP1253-681 680.0
CBP1253-821 820.0
0.187
0.205
0.256
0.288
6.0
5.5
5.0
4.5
4.0
4.0
2.8
2.8
0.75
0.75
0.72
0.84
CBP1253-100
CBP1253-120
CBP1253-150
CBP1253-180
10.0
12.0
15.0
18.0
0.006
0.008
0.009
0.010
38.0
35.0
32.0
29.0
17.0
13.5
13.5
13.5
0.70
0.69
0.69
0.69
CBP1253-102 1000.0
CBP1253-122 1200.0
CBP1253-152 1500.0
CBP1253-182 1800.0
0.426
1.462
1.518
1.705
4.1
3.7
3.4
2.8
2.0
2.0
2.0
1.6
0.75
0.75
0.75
0.77
CBP1253-220
CBP1253-270
CBP1253-330
CBP1253-390
22.0
27.0
33.0
39.0
0.011
0.012
0.017
0.022
25.0
23.0
20.0
19.0
13.5
13.5
13.5
11.4
0.79
0.79
0.79
0.79
CBP1253-222 2200.0
CBP1253-272 2700.0
CBP1253-332 3300.0
CBP1253-332 3900.0
1.020
1.140
1.270
1.670
2.5
2.3
2.0
1.8
1.3
1.3
1.3
1.0
0.77
0.77
0.75
0.75
CBP1253-470
CBP1253-560
CBP1253-680
CBP1253-820
47.0
56.0
68.0
82.0
0.024
0.026
0.029
0.032
19.0
17.5
15.6
14.0
9.0
9.0
9.0
9.0
0.75
0.75
0.75
0.75
NOTES
1) Tolerances on values below 10 µH are ± 20%.
CBP1253-101 100.0
CBP1253-121 120.0
CBP1253-151 150.0
CBP1253-181 180.0
0.034
0.046
0.064
0.072
13.2
12.1
10.8
9.7
9.0
7.2
5.5
5.5
0.78
0.75
0.78
0.78
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
31-3