round cable snap- its (2631181381) part number: 2631181381 31 split round cable core explanation of part numbers: C?digits 1 & 2 = product class C digits 3 & 4 = material grade round cable snap- its can easily accommodate round cables or bundled wires with diameters from 2.5 mm (0.100?) to 25.4 mm (1.000?). these assemblies are available in four ferrite material classes to suppress differential or common- mode conducted emi from 1 mhz into the ghz region. the polypropylene cases are meeting the rohs restrictions of hazardous substances and have a flammability rating of ul 94 v-0. ?many of the snap- it parts have round core equivalents. see ?round cable emi suppression cores?. ?round cable snap- it kits are available for each of the four suppression materials. 31 snap- it kit (0199000030), 43 snap- it kit (0199000031), 46 core and snap- it kit (0199000032) and 61 snap- it kit (0199000033). the ?b? dimension is the core inside diameter. weight: 289 (g) chart legend + test frequency ?for solid cable cores, see round cable emi suppression cores dim mm mm tol nominal inch inch misc. a 62.1 1.00 2.445 _ b 37.2 0.64 1.465 _ c 63.5 1.50 2.5 _ d 30.2 0.31 1.19 _ cable information max diameter max dimension solid equivalent flat cable cores 35.4 1.394 _ _ -
typical impedance ( ) 1 mhz 60 5 mhz 150 10 mhz + 190 25 mhz + 290 100 mhz + 490 250 mhz 530 ? round cable snap- it assemblies are controlled for impedances only. minimum impedance values are specified for the + marked frequencies. the minimum impedance is typically the listed impedance less 20%. ? single turn impedance tests for the 31, 43/44 and 46 material parts are performed on the 4193a vector impedance analyzer. the 61 material parts are tested on the 4291a rf impedance analyzer and 75 material parts are tested on the 4285a lcr meter.. cores are tested with the shortest practical wire length.
fair- rite products corp.?? ? ??one commercial row, wallkill, new york 12589-0288 888-324-7748 ?? ? ?? 845-895-2055 ?? ? ?? fax: 845-895-2629 ?? ? ?? ferrites@fair- rite.com ?? ? ??www.fair- rite.com
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