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« Back PDF (Print) 0.807 in. / 20.50 mm EQ-Core

EQ MS - 205 140 078 - 026

Physical Dimensions
A 20.5 ± 0.30 mm 0.807 ± 0.012 in
B 14.0 ± 0.20 mm 0.551 ± 0.008 in
C 7.8 ± 0.20 mm 0.307 ± 0.008 in
D 5.10 mm (min.) 0.201 in (min.)
E 8.8 ± 0.20 mm 0.346 ± 0.008 in
F 17.8 mm (min.) 0.701 in (min.)
Magnetic Dimensions
Ae Effective Magnetic Cross Section 0.608 cm2
Le Effective Magnetic Path Length 4.4 cm 
Ve Effective Core Volume 2.68 cm3
WA Minimum Effective Window Area 0.449 cm2
SA Surface Area 15.9 cm2
MLT Mean Length Per Turn 4.18 cm 
Permeability Part Numbers
Reference
Permeability
AL Value
(nH/N2)
Super-MSS
Sendust
Hi-Flux
Nickle Iron
FluxSan
Silicon Iron
26μ 45 EQMS-205140078-026 EQHF-205140078-026 EQFS-205140078-026
40μ 69 EQMS-205140078-040 EQHF-205140078-040 EQFS-205140078-040
60μ 104 EQMS-205140078-060 EQHF-205140078-060 EQFS-205140078-060
Approximate Unit Weight: 6.9g/half 9g/half 8.4g/half
Test Conditions
Winding N=20, #26 AWG
Frequency 10 kHz
Voltage 0.054 V
AL Tolerance ±12%
Coating/Packaging Information
Coating Type None
Voltage Breakdown N/A
Unit N/A
Package Quantity 1,300 Pcs/Box
Winding Table
Wire Size AWG 16 18 20 22 24 26 28 30 32 34 36
mm 1.250 1.000 0.800 0.630 0.500 0.400 0.315 0.250 0.200 0.160 0.125
Full
Winding
Turns 14 21 33 51 80 123 191 295 457 707 1,095
Rdc(Ω) 7.7 m 18.4 m 45.9 m 112.8 m 281.3 m 687.8 m 1.7 4.2 10.3 25.3 62.3