EER Cores (9578495402)

Part Number: 9578495402

78 EER CORE SET

EER cores, similar to ETD cores, have been designed to make optimum use of a given volume of ferrite material for maximum throughput power. The structure, which includes a round center post, approaches a nearly uniform cross-sectional area throughout the core and provides a winding area that minimizes winding losses.

EER cores can be supplied with the center post gapped to a mechanical dimension or an A_Lvalue.

Catalog Drawing
3D Model

Weight indicated is per pair or set.

Weight: 158 (g)

Dim	mm	mm tol	nominal inch	inch misc.
A	49	± 0.80	1.929	_
B	27	± 0.20	1.063	_
C	17.2	± 0.35	0.677	_
D	18.7	± 0.20	0.736	_
E	36.5	min	1.438	min
F	17.2	± 0.35	0.677	_

Chart Legend
Σl/A : Core Constant, l_e : Effective Path Length, A_e : Effective Cross-Sectional Area, V_e : Effective Core Volume
A_L : Inductance Factor
Explanation of Part Numbers: Digits 1 & 2 = product class and 3 & 4 = material grade.

Electrical Properties
A_L(nH)	4200 ±25%
Ae(cm²)	2.45
Σl/A(cm^-1)	4.8
l_e(cm)	11.8
V_e(cm³)	29.02
A_min(cm²)	2.32

A_L value is measured at 1 kHz, B < 10 gauss.

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