7878400121 [FAIR-RITE]
Planar Cores;
| 型号： | 7878400121 |
| 厂家： | 
FAIR-RITE PRODUCTS CORP. |
| 描述： | Planar Cores |
| 文件： | 总1页 (文件大小：514K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Planar Cores (7878400121)
Part Number: 7878400121
78 PLANAR EI CORE 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 AL value.
Catalog Drawing
3D Model
Weight: 1.1 (g)
Dim mm
mm tol
± 0.30
± 0.10
± 0.15
min
nominal inch
0.551
0.138
0.197
0.075
0.414
0.118
0.071
inch misc.
_
_
_
min
min
_
A
B
C
D
E
F
14
3.5
5
1.9
10.52 min
3
± 0.10
± 0.10
G
1.8
_
Chart Legend
Σl/ A Core Constant,
Effective Core Volume
AL Inductance Factor
:
le
:
Effective Path Length,
Ae
:
Effective Cross- Sectional Area,
Ve :
:
Explanation of Part Numbers: Digits 1 & 2 = product class and 3 & 4 = material grade.
Electrical Properties
AL(nH)
1440 ±25%
Ae(cm2) 0.152
Σl/ A(cm-1) 10.9
le(cm)
1.66
Ve(cm3)
0.252
Amin(cm2) 0.15
AL value is measured at 1 kHz, B < 10 gauss.
Fair- Rite Products Corp.
845-895-2055
•
One Commercial Row, Wallkill, New York 12589-0288
888-324-7748
•
•
Fax: 845-895-2629 ferrites@fair- rite.com www.fair- rite.com
•
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