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Planar Cores (9579250602)

Part Number: 9579250602
79 EQ Core-EQ25/5.6/18
Dimensions
Inductive Components
Closed Magnetic Circuit
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Part Number: 9579250602

79 EQ Core-EQ25/5.6/18

Planar EQ and EQI 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 EQ cores with their low mass and low profile are suitable for Surface Mount installations in low power filter and transformer applications.

– Planar EQ and EQI cores can be supplied with the center post gapped to a mechanical dimension, or an AL value.

Catalog Drawing
3D Model

Weight: 8.2 (g)

Dimmmmm tolnominal inchinch misc.
A25.0± 0.400.984_
B5.60± 0.050.220_
C18.00± 0.350.709_
D3.20± 0.150.126_
E22.00± 0.400.866_
F11.00± 0.200.433_
G14.4± Min0.567_

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)3480
Ae(cm2)0.933
Σl/A(cm-1)0.0352
le(cm)3.28
Ve(cm3)3.060
Amin(cm2)0.864

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

9579250602 is mated with 9379055002.

 

A new high frequency material for power applications up to 750 kHz.

This MnZn power ferrite is available in customer specific core designs.

This material is available as special order for customer specific applications.

79 Material Characteristics
Property Unit Symbol Value
Initial Permeability @ B < 10 gauss µi 1400
Flux Density @ Field Strength Gauss
Oersted
B
H
4700
5
Residual Flux Density Gauss Br 1700
Coercive Force Oersted Hc 0.40
Loss Factor @ Frequency 10 -6
MHz
Tan δ/ µi 4
0.1
Temperature Coefficient of Initial Permeability (20 -70°C) %/°C 0.6
Curie Temperature °C Tc >225
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
Printer Friendly Data Sheet - Download as pdf file

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