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« Back PDF (Print) 0.900 in. / 22.90 mm OD Toroid

MS - 090 125 - 2

Physical Dimensions
OD Bare Core Nominal 22.86 mm 0.900 in
Coated Core (max) 23.62 mm 0.930 in
ID Bare Core Nominal 13.97 mm 0.550 in
Coated Core (min) 13.39 mm 0.527 in
Ht Bare Core Nominal 7.62 mm 0.300 in
Coated Core (max) 8.38 mm 0.330 in
Magnetic Dimensions
Ae Effective Magnetic Cross Section 0.331 cm2
Le Effective Magnetic Path Length 5.67 cm 
Ve Effective Core Volume 1.88 cm3
WA Minimum Effective Window Area 1.41 cm2
SA Surface Area 19.8 cm2
MLT Mean Length Per Turn 3.37 cm 
Permeability Part Numbers
Reference
Permeability
AL Value
(nH/N2)
MS
Sendust
SH
High Freq. Sendust
MPP
Molypermalloy
FluxSan
Silicon Iron
Hi-Flux
Nickle Iron
Optilloy
Optimized Alloy
14μ 9.9 MS-090014-2 MP-090014-2 FS-090014-2 HF-090014-2 OP-090014-2
26μ 19 MS-090026-2 SH-090026-2 MP-090026-2 FS-090026-2 HF-090026-2 OP-090026-2
40μ 29 MS-090040-2 FS-090040-2 OP-090040-2
60μ 43 MS-090060-2 SH-090060-2 MP-090060-2 FS-090060-2 HF-090060-2 OP-090060-2
75μ 54 MS-090075-2 FS-090075-2 OP-090075-2
90μ 65 MS-090090-2 FS-090090-2 OP-090090-2
125μ 90 MS-090125-2 SH-090125-2 MP-090125-2 HF-090125-2 OP-090125-2
147μ 106 MS-090147-2 MP-090147-2 HF-090147-2
160μ 115 MS-090160-2 MP-090160-2 HF-090160-2
173μ 124 MP-090173-2
205μ 147 MP-090205-2
Approx Unit Weight: 11 g 11 g 14 g 13 g 13 g 12 g
Test Conditions
Winding N=80, #26 AWG
Frequency 10 kHz
Voltage 0.12 V
AL Tolerance ±8%
Coating/Packaging Information
Coating Type Blue Epoxy
Voltage Breakdown 1000 Vrms
Unit 0.1 mA, 5 s
Package Quantity 1,210 Pcs/Box
Winding Table
Wire Size AWG 10 12 14 16 18 20 22 24 26 28 30
mm 2.500 2.000 1.600 1.250 1.000 0.800 0.630 0.500 0.400 0.315 0.250
Single
Layer
Turns 11 15 19 24 31 39 50 62 78 98 123
Rdc(Ω) 1.2 m 2.6 m 5.3 m 10.6 m 21.8 m 43.7 m 89.1 m 175.8 m 351.6 m 702.7 m 1.4
Full
Winding
Turns 11 18 27 42 65 101 157 243 376 581 900
Rdc(Ω) 1.2 m 3.2 m 7.5 m 18.6 m 45.8 m 113.2 m 279.8 m 688.8 m 1.7 4.2 10.3