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« Back PDF (Print) 2.160 in. / 54.90 mm E-Core

E MS - 055 28 21 - 090

Physical Dimensions
A 54.9 ± 0.81 mm 2.161 ± 0.032 in
B 27.6 ± 0.41 mm 1.087 ± 0.016 in
C 20.6 ± 0.41 mm 0.811 ± 0.016 in
D 18.50 mm (min.) 0.728 in (min.)
E 37.50 mm (min.) 1.476 in (min.)
F 16.8 ± 0.33 mm 0.661 ± 0.013 in
Magnetic Dimensions
Ae Effective Magnetic Cross Section 3.5 cm2
Le Effective Magnetic Path Length 12.3 cm 
Ve Effective Core Volume 43.1 cm3
WA Minimum Effective Window Area 3.77 cm2
SA Surface Area 121 cm2
MLT Mean Length Per Turn 11.6 cm 
Permeability Part Numbers
Reference
Permeability
AL Value
(nH/N2)
Super-MSS
Sendust
FluxSan
Silicon Iron
14μ 86 EMS-0552821-014 EFS-0552821-014
26μ 116 EMS-0552821-026 EFS-0552821-026
40μ 157 EMS-0552821-040 EFS-0552821-040
60μ 219 EMS-0552821-060 EFS-0552821-060
75μ 304 EMS-0552821-075
90μ 322 EMS-0552821-090
Approximate Unit Weight: 124.5g/half 140g/half
Test Conditions
Winding N=100, #16 AWG
Frequency 10 kHz
Voltage 1.6 V
AL Tolerance ±8%
Coating/Packaging Information
Coating Type None
Voltage Breakdown N/A
Unit N/A
Package Quantity 96 Halves/Box
Winding Table
Wire Size AWG 8 10 12 14 16 18 20 22 24 26 28
mm 3.150 2.500 2.000 1.600 1.250 1.000 0.800 0.630 0.500 0.400 0.315
Full
Winding
Turns 20 31 49 75 117 180 279 432 669 1,036 1,603
Rdc(Ω) 4.8 m 11.8 m 29.6 m 72.1 m 178.8 m 437.6 m 1.1 2.7 6.5 16.1 39.6