Chokes
Drum Core Inductor
CBP1256
The CBP1256 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
2.00
1.50
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.)
CBP1256-47G
CBP1256-56G
CBP1256-68G
CBP1256-82G
4.7
5.6
6.8
8.2
0.002
0.002
0.003
0.003
149.0
122.0
103.0
90.0
35.0
35.0
35.0
35.0
1.40
1.40
1.40
1.40
CBP1256-471 470.0
CBP1256-561 560.0
CBP1256-681 680.0
CBP1256-821 820.0
0.061
0.068
0.094
0.104
12.3
11.3
10.3
9.4
13.5
13.5
11.4
11.4
1.31
1.40
1.42
1.42
CBP1256-100
CBP1256-120
CBP1256-150
CBP1256-180
10.0
12.0
15.0
18.0
0.003
0.004
0.004
0.005
79.0
71.0
64.0
58.0
35.0
35.0
35.0
27.0
1.48
1.48
1.48
1.48
CBP1256-102 1000.0
CBP1256-122 1200.0
CBP1256-152 1500.0
CBP1256-182 1800.0
0.143
0.156
0.219
0.241
8.5
7.7
6.8
6.3
9.0
9.0
7.2
7.2
1.36
1.36
1.31
1.31
CBP1256-220
CBP1256-272
CBP1256-330
CBP1256-390
22.0
27.0
33.0
39.0
0.005
0.006
0.006
0.006
54.0
50.0
46.0
43.0
27.0
27.0
27.0
27.0
1.48
1.48
1.48
1.48
CBP1256-222 2200.0
CBP1256-272 2700.0
CBP1256-332 3300.0
CBP1256-392 3900.0
0.270
0.364
0.498
0.548
5.7
5.1
4.6
4.2
7.2
5.5
4.5
4.5
1.40
1.36
1.24
1.32
CBP1256-470
CBP1256-560
CBP1256-680
CBP1256-820
47.0
56.0
68.0
82.0
0.008
0.009
0.009
0.010
41.0
36.0
32.0
30.0
27.0
21.0
21.0
21.0
1.48
1.48
1.48
1.48
CBP1256-472 4700.0
CBP1256-562 5600.0
CBP1256-682 6800.0
CBP1256-822 8200.0
0.608
0.671
0.750
1.030
3.9
3.5
3.2
2.9
4.5
4.5
4.5
4.0
1.32
1.36
1.40
1.45
CBP1256-101 100.0
CBP1256-121 120.0
CBP1256-151 150.0
CBP1256-181 180.0
0.014
0.015
0.023
0.025
26.0
24.0
21.0
19.5
27.0
27.0
21.0
21.0
1.53
1.53
1.49
1.49
NOTES
1) Tolerances on values below 10 µH are ± 20%.
CBP1256-221 220.0
CBP1256-271 270.0
CBP1256-331 330.0
CBP1256-391 390.0
0.028
0.030
0.040
0.055
18.0
16.0
14.8
13.6
21.0
21.0
17.0
13.5
1.49
1.49
1.49
1.31
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
31-6