9277012002

U Cores (9277012002) Part Number: 9277012002 77 U CORE Explanation of Part Numbers: Digits 1&2 = product class, 3&4 = material grade. The U core offers an economical core design with a nearly uniform cross- sectional area. In a power ferrite material they are frequently used in output chokes, power input filters and transformers for switched- mode power supplies and HF fluorescent ballasts. For any U core requirement not listed in the catalog, please contact our customer service group for availability and pricing. Catalog Drawing 3D Model Weight indicated is per pair or set. Weight: 66 (g) Dim mm A 41.15 B 25.4 C 11.7 D 15.75 E 18.65 F 35.3 mm tol ±0.75 ±0.15 ±0.25 Min Min ±0.60 nominal inch 1.62 1 0.461 0.621 0.735 1.39 inch misc. _ _ _ Min Min _ Chart Legend •An I core, 9377024002, is available for these U cores. See I Core Section of our catalog. Σl/ A  :  Core Constant,    le :  Effective Path Length,    Ae :  Effective Cross- Sectional Area,    Ve :  Effective Core Volume AL :  Inductance Factor   Electrical Properties AL(nH) 1255 Min 2 Ae(cm ) 0.98 -1 Σl/ A(cm ) 13.8 le(cm) 13.5 3 Ve(cm ) 13.2 AL value is measured at 1kHz, < 10 gauss. These U cores have the same minimum cross- sectional area as the listed effective cross- sectional area. 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