Planar Cores (9578110502)
Part Number: 9578110502
78 ER CORE SET SET
Planar EE and EI cores, with their low profile are suitable for board level installation allowing assembly without the need for
plastic coilformers and can also allow windings integrated into multi- level PCBs. Planar ER cores with their low mass and low
profile are suitable for Surface Mount installations in low power filter and transformer applications.
Planar EE, ER and EI cores can be supplied with the center post gapped to a mechanical dimension, or an A
L
value.
Weight: 1 (g)
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) 1200 ±25%
Ae(cm
2
) 0.126
Σl/ A(cm
-1
) 11.2
l
e
(cm) 1.4
V
e
(cm
3
) 0.177
A
min
(cm
2
) 0.103
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
Dim mm mm tol nominal inch inch misc.
A 10.8 ± 0.30 0.425 _
B 2.45 ± 0.15 0.096 _
C 5.9 ± 0.20 0.232 _
D 1.58 ± 0.16 0.062 _
E 8.85 ± 0.30 0.348 _
F 4.15 ± 0.20 0.163 _
G 7.9 min 0.312 min
