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« Back PDF (Print) 0.800 in. / 20.30 mm OD Toroid

MS - 080 125 - 2H127

Physical Dimensions
OD Bare Core Nominal 20.32 mm 0.800 in
Coated Core (max) 21.08 mm 0.830 in
ID Bare Core Nominal 12.70 mm 0.500 in
Coated Core (min) 12.07 mm 0.475 in
Ht Bare Core Nominal 12.70 mm 0.500 in
Coated Core (max) 13.46 mm 0.530 in
Magnetic Dimensions
Ae Effective Magnetic Cross Section 0.452 cm2
Le Effective Magnetic Path Length 5.09 cm 
Ve Effective Core Volume 2.3 cm3
WA Minimum Effective Window Area 1.14 cm2
SA Surface Area 20.3 cm2
MLT Mean Length Per Turn 4.20 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 15.6 MS-080014-2H127 MP-080014-2H127 FS-080014-2H127 HF-080014-2H127 OP-080014-2H127
26μ 28 MS-080026-2H127 SH-080026-2H127 MP-080026-2H127 FS-080026-2H127 HF-080026-2H127 OP-080026-2H127
40μ 42 MS-080040-2H127 FS-080040-2H127 OP-080040-2H127
60μ 64 MS-080060-2H127 SH-080060-2H127 MP-080060-2H127 FS-080060-2H127 HF-080060-2H127 OP-080060-2H127
75μ 82 MS-080075-2H127 FS-080075-2H127 OP-080075-2H127
90μ 98 MS-080090-2H127 FS-080090-2H127 OP-080090-2H127
125μ 136 MS-080125-2H127 SH-080125-2H127 MP-080125-2H127 HF-080125-2H127 OP-080125-2H127
147μ 162 MS-080147-2H127 MP-080147-2H127 HF-080147-2H127
160μ 174 MS-080160-2H127 MP-080160-2H127 HF-080160-2H127
173μ 192 MP-080173-2H127
205μ 226 MP-080205-2H127
Approx Unit Weight: 13 g 13 g 17 g 16 g 16 g 15 g
Test Conditions
Winding N=90, #28 AWG
Frequency 10 kHz
Voltage 0.18 V
AL Tolerance ±8%
Coating/Packaging Information
Coating Type Blue Epoxy
Voltage Breakdown 1000 Vrms
Unit 0.1 mA, 5 s
Package Quantity 900 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 10 13 17 22 28 35 44 56 70 88 110
Rdc(Ω) 1.4 m 2.8 m 5.9 m 12.1 m 24.6 m 48.9 m 97.7 m 197.8 m 393.2 m 786.0 m 1.6
Full
Winding
Turns 9 14 22 34 53 82 127 197 305 472 731
Rdc(Ω) 1.2 m 3.1 m 7.6 m 18.8 m 46.5 m 114.5 m 282.0 m 695.7 m 1.7 4.2 10.4