U Cores (9077024002)

Part Number: 9077024002

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: 20 (g)

Dimmmmm tolnominal inchinch misc.
A25.4±0.751_
B18.9+0.250.749_
C6.6-0.500.25_
D12.55Min0.495Min
E12.45Min0.49Min

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)695 Min
Ae(cm2)0.4
Σl/A(cm-1)23.9
le(cm)9.6
Ve(cm3)3.88

• 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