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E Cores (9498111002)

Part Number: 9498111002
98 E CORE SET
98 Material
Inductive Components
Closed Magnetic Circuit
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Part Number: 9498111002

98 E CORE SET

The E core geometry offers an economical design approach for inductive applications in a variety of power designs.

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

Catalog Drawing
3D Model

Weight indicated is per pair or set.

Weight: 40.2 (g)

Dimmmmm tolnominal inchinch misc.
A33±0.601.299_
B14±0.300.551_
C12.7±0.300.5_
D9.6±0.300.378_
E22.8min0.898min
F9.7±0.300.382_

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

Electrical Properties
AL(nH)4200 ±25%
Ae(cm2)1.19
Σl/A(cm-1)5.6
le(cm)6.65
Ve(cm3)7.9
Amin(cm2)1.12

A low loss MnZn ferrite material for power applications up to 200 kHz.

New type of 98 material is an improved version of Fair-Rite’s 78 material. This material supplies lower power loss at 100°C at moderate flux densities for operation below 200 kHz.

Available in 98 material:

E&I Cores

Pot Cores

RM

PQ

ETD

EFD

EP

EER

Planar Shapes

98 Material Characteristics
Property Unit Symbol Value
Initial Permeability @ B < 10 gauss µi 2400
Flux Density @ Field Strength Gauss
Oersted
B
H
5000
5
Residual Flux Density Gauss Br 2000
Coercive Force Oersted Hc 0.17
Loss Factor @ Frequency 10 -6
MHz
Tan δ/ µi 3
0.1
Temperature Coefficient of Initial Permeability (20 -70°C) %/°C 1.5
Curie Temperature °C Tc >215
Resistivity Ohm-cm ρ 200

**** Characteristic curves are measured on standard Toroids (18/10/6 mm)  at 25°C and 10 kHz unless otherwise indicated. Impedance characteristics are measured on standard shield beads (3.5/1.3/6.0 mm) unless otherwise indicated.

Material Safety Data Sheet (MSDS)

Click here to download Complex Permeability vs. Frequency (CSV)

Ferrite Material Constants

Specific Heat
0.25 cal/g/°C
Thermal Conductivity
3.5 - 4.5 mW/cm-°C
Coefficient of Linear Expansion
8 - 10x10-6/°C
Tensile Strength
4.9 kgf/mm2
Compressive Strength
42 kgf/mm2
Young's Modulus
15x103 kgf/mm2
Hardness (Knoop)
650
Specific Gravity
≈4.7 g/cm3
The above quoted properties are typical for Fair-Rite MnZn and NiZn ferrites.


Storage and Operating Temperature
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