CBP1251 Datasheet, PDF (1/1 Pages) Filtran LTD – Chokes Drum Core Inductor

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