Datasheet > 7898400121

7898400121

更新时间： 2022-02-26 13:32:17

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Planar Cores

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7898400121 数据手册

Planar Cores (7898400121)

Part Number: 7898400121

98 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 A_Lvalue.

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

3.5

1.9

10.52 min

± 0.10

1.8

Chart Legend

Σl/ A Core Constant,

Effective Core Volume

A_LInductance Factor

l_e

Effective Path Length,

A_e

Effective Cross- Sectional Area,

V_e:

Explanation of Part Numbers: Digits 1 & 2 = product class and 3 & 4 = material grade.

Electrical Properties

A_L(nH)

1440 ±25%

Ae(cm²) 0.152

Σl/ A(cm^-1) 10.9

l_e(cm)

1.66

V_e(cm³)

0.252

A_min(cm²) 0.15

A_Lvalue 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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