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« Back PDF (Print) 0.680 in. / 17.30 mm OD Toroid

MS - 068 125 - 2

Physical Dimensions
OD Bare Core Nominal 17.27 mm 0.680 in
Coated Core (max) 18.03 mm 0.710 in
ID Bare Core Nominal 9.65 mm 0.380 in
Coated Core (min) 9.02 mm 0.355 in
Ht Bare Core Nominal 6.35 mm 0.250 in
Coated Core (max) 7.11 mm 0.280 in
Magnetic Dimensions
Ae Effective Magnetic Cross Section 0.232 cm2
Le Effective Magnetic Path Length 4.14 cm 
Ve Effective Core Volume 0.961 cm3
WA Minimum Effective Window Area 0.639 cm2
SA Surface Area 11.7 cm2
MLT Mean Length Per Turn 2.77 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 10 MS-068014-2 MP-068014-2 FS-068014-2 HF-068014-2 OP-068014-2
26μ 19 MS-068026-2 SH-068026-2 MP-068026-2 FS-068026-2 HF-068026-2 OP-068026-2
40μ 29 MS-068040-2 FS-068040-2 OP-068040-2
60μ 43 MS-068060-2 SH-068060-2 MP-068060-2 FS-068060-2 HF-068060-2 OP-068060-2
75μ 53 MS-068075-2 FS-068075-2 OP-068075-2
90μ 64 MS-068090-2 FS-068090-2 OP-068090-2
125μ 89 MS-068125-2 SH-068125-2 MP-068125-2 HF-068125-2 OP-068125-2
147μ 105 MS-068147-2 MP-068147-2 HF-068147-2
160μ 114 MS-068160-2 MP-068160-2 HF-068160-2
173μ 123 MP-068173-2
205μ 146 MP-068205-2
Approx Unit Weight: 5.6 g 5.4 g 7.2 g 6.5 g 6.6 g 6.4 g
Test Conditions
Winding N=70, #28 AWG
Frequency 10 kHz
Voltage 0.072 V
AL Tolerance ±8%
Coating/Packaging Information
Coating Type Blue Epoxy
Voltage Breakdown 1000 Vrms
Unit 0.1 mA, 5 s
Package Quantity 2,340 Pcs/Box
Winding Table
Wire Size AWG 14 16 18 20 22 24 26 28 30 32 34
mm 1.600 1.250 1.000 0.800 0.630 0.500 0.400 0.315 0.250 0.200 0.160
Single
Layer
Turns 12 15 20 26 32 41 52 65 82 102 128
Rdc(Ω) 2.8 m 5.5 m 11.6 m 24.0 m 47.0 m 95.7 m 193.1 m 383.8 m 770.0 m 1.5 3.0
Full
Winding
Turns 12 19 30 46 71 110 170 264 408 632 978
Rdc(Ω) 2.8 m 6.9 m 17.4 m 42.5 m 104.2 m 256.8 m 631.1 m 1.6 3.8 9.4 23.2