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.
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
1.60
B
1.05
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.)
3.3
3.9
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
0.003
0.003
0.003
0.004
0.004
0.004
0.005
0.005
0.006
0.008
0.009
0.010
0.011
0.012
0.018
0.019
0.021
0.023
0.025
0.028
0.040
0.045
0.050
0.056
115.0
95.0
95.0
79.0
79.0
69.0
61.0
55.0
49.0
41.0
38.0
36.0
31.0
20.0
30.2
26.1
24.4
22.4
20.0
18.0
16.4
14.6
13.2
11.8
27.0
27.0
27.0
27.0
27.0
27.0
27.0
27.0
27.0
27.0
21.0
21.0
21.0
21.0
14.4
14.4
14.4
14.4
14.4
14.4
11.4
11.4
11.4
11.4
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.15
1.15
1.15
1.14
1.14
1.14
1.14
1.14
1.19
1.13
1.13
1.13
1.16
Part No.
CBP1254-331
CBP1254-391
CBP1254-471
CBP1254-561
Ind. (1) Max DCR I DC (2) I Rated (3)
E
± 10% (µH)
(Ω)
(Amp) DC (Amp) RMS (Nom.)
330.0
390.0
470.0
560.0
0.074
0.082
0.114
0.125
0.139
0.154
0.122
0.232
0.324
0.360
0.494
0.555
0.773
0.845
1.140
1.600
11.4
10.9
9.2
8.3
7.6
6.8
6.2
5.7
5.1
4.6
4.2
3.8
3.4
3.1
2.9
2.5
9.0
7.2
7.2
7.2
7.2
7.2
5.5
5.5
4.5
4.5
4.0
4.0
2.8
2.8
2.0
2.0
1.13
1.19
1.13
1.13
1.13
1.19
1.06
1.16
1.16
1.16
1.06
1.06
1.06
1.13
1.11
1.11
CBP1254-33G
CBP1254-39G
CBP1254-47G
CBP1254-56G
CBP1254-68G
CBP1254-82G
CBP1254-100
CBP1254-120
CBP1254-150
CBP1254-180
CBP1254-220
CBP1254-270
91/04/15
CBP1254-681 680.0
CBP1254-821 820.0
CBP1254-102 1000.0
CBP1254-122 1200.0
CBP1254-152
CBP1254-182
CBP1254-222
CBP1254-272
CBP1254-332
CBP1254-392
CBP1254-472
CBP1254-562
1500.0
1800.0
2200.0
2700.0
3300.0
3900.0
4700.0
5600.0
CBP1254
CBP1254-330
CBP1254-390
CBP1254-470
CBP1254-560
CBP1254-680
CBP1254-820
CBP1254-101
CBP1254-121
CBP1254-151
CBP1254-181
CBP1254-221
CBP1254-271
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.
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