Chokes
Drum Core Inductor
CBP1254
The CBP1254 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
1.60
1.05
Hole to clear
No. 8/32 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.)
CBP1254-33G
CBP1254-39G
CBP1254-47G
CBP1254-56G
3.3
3.9
4.7
5.6
0.003
0.003
0.003
0.004
115.0
95.0
95.0
79.0
27.0
27.0
27.0
27.0
1.11
1.11
1.11
1.11
CBP1254-331 330.0
CBP1254-391 390.0
CBP1254-471 470.0
CBP1254-561 560.0
0.074
0.082
0.114
0.125
11.4
10.9
9.2
9.0
7.2
7.2
7.2
1.13
1.19
1.13
1.13
8.3
CBP1254-68G
CBP1254-82G
CBP1254-100
CBP1254-120
6.8
8.2
10.0
12.0
0.004
0.004
0.005
0.005
79.0
69.0
61.0
55.0
27.0
27.0
27.0
27.0
1.11
1.11
1.11
1.11
CBP1254-681 680.0
CBP1254-821 820.0
CBP1254-102 1000.0
CBP1254-122 1200.0
0.139
0.154
0.122
0.232
7.6
6.8
6.2
5.7
7.2
7.2
5.5
5.5
1.13
1.19
1.06
1.16
CBP1254-150
CBP1254-180
CBP1254-220
CBP1254-270
15.0
18.0
22.0
27.0
0.006
0.008
0.009
0.010
49.0
41.0
38.0
36.0
27.0
27.0
21.0
21.0
1.11
1.11
1.11
1.15
CBP1254-152 1500.0
CBP1254-182 1800.0
CBP1254-222 2200.0
CBP1254-272 2700.0
0.324
0.360
0.494
0.555
5.1
4.6
4.2
3.8
4.5
4.5
4.0
4.0
1.16
1.16
1.06
1.06
CBP1254-330
CBP1254-390
CBP1254-470
CBP1254-560
33.0
39.0
47.0
56.0
0.011
0.012
0.018
0.019
31.0
20.0
30.2
26.1
21.0
21.0
14.4
14.4
1.15
1.15
1.14
1.14
CBP1254-332 3300.0
CBP1254-392 3900.0
CBP1254-472 4700.0
CBP1254-562 5600.0
0.773
0.845
1.140
1.600
3.4
3.1
2.9
2.5
2.8
2.8
2.0
2.0
1.06
1.13
1.11
1.11
CBP1254-680
CBP1254-820
CBP1254-101 100.0
CBP1254-121 120.0
68.0
82.0
0.021
0.023
0.025
0.028
24.4
22.4
20.0
18.0
14.4
14.4
14.4
14.4
1.14
1.14
1.14
1.19
NOTES
1) Tolerances on values below 10 µH are ± 20%.
CBP1254-151 150.0
CBP1254-181 180.0
CBP1254-221 220.0
CBP1254-271 270.0
0.040
0.045
0.050
0.056
16.4
14.6
13.2
11.8
11.4
11.4
11.4
11.4
1.13
1.13
1.13
1.16
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
31-4