Filtran CBP1251-680 Chokes drum core inductor Datasheet

Chokes
Drum Core Inductor
CBP1251
The CBP1251 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
0.66
B
0.84
C
Hole to clear
No. 4/40 screw
E
See Electrical
Specs. table.
ELECTRICAL SPECIFICATION
ISSUE A
CBP1251
91/04/15
Part No.
Ind. (1) Max DCR I DC (2) I Rated (3)
E
± 10% (µH)
(Ω)
(Amp) DC (Amp) RMS (Nom.)
Part No.
Ind. (1) Max DCR I DC (2) I Rated (3)
E
± 10% (µH)
(Ω)
(Amp) DC (Amp) RMS (Nom.)
CBP1251-10G
CBP1251-12G
CBP1251-15G
CBP1251-18G
1.0
1.2
1.5
1.8
0.003
0.003
0.004
0.004
87.0
68.0
56.0
56.0
9.0
9.0
9.0
9.0
0.55
0.55
0.55
0.55
CBP1251-470
CBP1251-560
CBP1251-680
CBP1251-820
47.0
56.0
68.0
82.0
0.062
0.069
0.077
0.083
11.0
10.0
8.9
8.2
2.8
2.8
2.8
2.8
0.47
0.48
0.50
0.50
CBP1251-22G
CBP1251-27G
CBP1251-33G
CBP1251-39G
2.2
2.7
3.3
3.9
0.005
0.005
0.005
0.006
47.0
47.0
40.0
36.0
9.0
9.0
9.0
9.0
0.55
0.55
0.55
0.55
CBP1251-101
CBP1251-121
CBP1251-151
CBP1251-181
100.0
120.0
150.0
180.0
0.095
0.013
0.081
0.217
7.5
5.8
5.6
5.1
2.8
2.0
1.6
1.6
0.50
0.48
0.48
0.48
CBP1251-47G
CBP1251-56G
CBP1251-68G
CBP1251-82G
4.7
5.6
6.8
8.2
0.007
0.007
0.008
0.009
32.0
29.0
26.0
24.5
9.0
9.0
9.0
9.0
0.55
0.55
0.55
0.55
CBP1251-221
CBP1251-271
CBP1251-331
CBP1251-391
220.0
270.0
330.0
390.0
0.240
0.300
0.336
0.460
4.3
4.1
3.8
3.3
1.6
1.6
1.3
1.0
0.48
0.48
0.48
0.48
CBP1251-110
CBP1251-120
CBP1251-150
CBP1251-180
10.2
12.0
15.0
18.0
0.010
0.011
0.015
0.016
21.2
19.0
17.5
16.5
9.0
9.0
7.2
7.2
0.55
0.55
0.50
0.50
CBP1251-471
CBP1251-561
470.0
560.0
0.636
0.696
3.2
2.9
0.8
0.8
0.45
0.45
CBP1251-220
CBP1251-270
CBP1251-330
CBP1251-390
22.0
27.0
33.0
39.0
0.020
0.030
0.040
0.046
15.8
14.4
13.2
11.8
5.5
4.5
4.0
4.0
0.50
0.50
0.41
0.47
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
31-1
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