other applications include: line filters, speaker crossover networks, scr and triac controls etc. chokes drum core inductor cbp1251 high dc levels. compact size. low loss ferrite material. cost effective. available with heat shrink vinyl cover. mechanical electrical specification 229 colonnade road, nepean, ontario, canada k2e 7k3 tel: (613) 226-1626 fax: (613) 226-7124 www.filtran.com an iso 9001 registered company 31-1 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 ind. (1) max dcr i dc (2) i rated (3) e part no. 10% (h) ( ? ) (amp) dc (amp) rms (nom.) issue a cbp1251 91/04/15 abc e 0.66 0.84 hole to clear see electrical no. 4/40 screw specs. table. dimensions, inches (mm) the cbp1251 series inductors are wound on ?rum?style ferrite cores and are ideal for use as input/output filter inductors in switch mode power supplies. 1) tolerances on values below 10 ? 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. notes 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 ind. (1) max dcr i dc (2) i rated (3) e part no. 10% (h) ( ? ) (amp) dc (amp) rms (nom.)
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