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.
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
2.00
B
1.50
C
Hole to clear
No. 8/32 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.)
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
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
0.002
0.002
0.003
0.003
0.003
0.004
0.004
0.005
0.005
0.006
0.006
0.006
0.008
0.009
0.009
0.010
0.014
0.015
0.023
0.025
0.028
0.030
0.040
0.055
149.0
122.0
103.0
90.0
79.0
71.0
64.0
58.0
54.0
50.0
46.0
43.0
41.0
36.0
32.0
30.0
26.0
24.0
21.0
19.5
18.0
16.0
14.8
13.6
35.0
35.0
35.0
35.0
35.0
35.0
35.0
27.0
27.0
27.0
27.0
27.0
27.0
21.0
21.0
21.0
27.0
27.0
21.0
21.0
21.0
21.0
17.0
13.5
1.40
1.40
1.40
1.40
1.48
1.48
1.48
1.48
1.48
1.48
1.48
1.48
1.48
1.48
1.48
1.48
1.53
1.53
1.49
1.49
1.49
1.49
1.49
1.31
Part No.
CBP1256-471
CBP1256-561
CBP1256-681
CBP1256-821
CBP1256-102
CBP1256-122
CBP1256-152
CBP1256-182
CBP1256-222
CBP1256-272
CBP1256-332
CBP1256-392
CBP1256-472
CBP1256-562
CBP1256-682
CBP1256-822
Ind. (1) Max DCR I DC (2) I Rated (3)
E
± 10% (µH)
(Ω)
(Amp) DC (Amp) RMS (Nom.)
470.0
560.0
680.0
820.0
1000.0
1200.0
1500.0
1800.0
2200.0
2700.0
3300.0
3900.0
4700.0
5600.0
6800.0
8200.0
0.061
0.068
0.094
0.104
0.143
0.156
0.219
0.241
0.270
0.364
0.498
0.548
0.608
0.671
0.750
1.030
12.3
11.3
10.3
9.4
8.5
7.7
6.8
6.3
5.7
5.1
4.6
4.2
3.9
3.5
3.2
2.9
13.5
13.5
11.4
11.4
9.0
9.0
7.2
7.2
7.2
5.5
4.5
4.5
4.5
4.5
4.5
4.0
1.31
1.40
1.42
1.42
1.36
1.36
1.31
1.31
1.40
1.36
1.24
1.32
1.32
1.36
1.40
1.45
CBP1256-47G
CBP1256-56G
CBP1256-68G
CBP1256-82G
CBP1256-100
CBP1256-120
CBP1256-150
CBP1256-180
CBP1256-220
CBP1256-272
CBP1256-330
CBP1256-390
91/04/15
CBP1256
CBP1256-470
CBP1256-560
CBP1256-680
CBP1256-820
CBP1256-101
CBP1256-121
CBP1256-151
CBP1256-181
CBP1256-221
CBP1256-271
CBP1256-331
CBP1256-391
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.
An ISO 9001 Registered Company
229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com
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