CBP1251-271

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