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EFD Cores (8995303021)

Part Number: 8995303021
95 EFD CORE SET
95 Material
Inductive Components
Closed Magnetic Circuit
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Part Number: 8995303021

95 EFD CORE SET

EFD (Economical Flat Design) cores have been designed to maximize volume in a low profile geometry. EFD cores allow maximum throughput power density with reasonably low mass for board level installation.

EFD 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: 24 (g)

Dimmmmm tolnominal inchinch misc.
A30± 0.801.181_
B15± 0.250.591_
C9.1± 0.300.358_
D11.2± 0.300.441_
E22.4± 0.750.882_
F14.6± 0.300.575_
K4.9± 0.200.193_

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)2150 ±25%
Ae(cm2)0.69
Σl/A(cm-1)11.3
le(cm)6.93
Ve(cm3)4.26
Amin(cm2)0.66

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

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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