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« Back PDF (Print) 1.350 in. / 34.30 mm OD Toroid

MS - 135 125 - 2

Physical Dimensions
OD Bare Core Nominal 34.29 mm 1.350 in
Coated Core (max) 35.10 mm 1.382 in
ID Bare Core Nominal 23.37 mm 0.920 in
Coated Core (min) 22.56 mm 0.888 in
Ht Bare Core Nominal 8.89 mm 0.350 in
Coated Core (max) 9.83 mm 0.387 in
Magnetic Dimensions
Ae Effective Magnetic Cross Section 0.454 cm2
Le Effective Magnetic Path Length 8.95 cm 
Ve Effective Core Volume 4.06 cm3
WA Minimum Effective Window Area 4 cm2
SA Surface Area 41.4 cm2
MLT Mean Length Per Turn 4.35 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 MS-135014-2 MP-135014-2 FS-135014-2 HF-135014-2 OP-135014-2
26μ 16 MS-135026-2 SH-135026-2 MP-135026-2 FS-135026-2 HF-135026-2 OP-135026-2
40μ 25 MS-135040-2 FS-135040-2 OP-135040-2
60μ 38 MS-135060-2 SH-135060-2 MP-135060-2 FS-135060-2 HF-135060-2 OP-135060-2
75μ 47 MS-135075-2 FS-135075-2 OP-135075-2
90μ 56 MS-135090-2 FS-135090-2 OP-135090-2
125μ 79 MS-135125-2 SH-135125-2 MP-135125-2 HF-135125-2 OP-135125-2
147μ 93 MS-135147-2 MP-135147-2 HF-135147-2
160μ 101 MS-135160-2 MP-135160-2 HF-135160-2
173μ 109 MP-135173-2
205μ 130 MP-135205-2
Approx Unit Weight: 23 g 23 g 30 g 28 g 28 g 27 g
Test Conditions
Winding N=90, #22 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 441 Pcs/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
Single
Layer
Turns 16 21 27 34 43 54 68 85 107 134 167
Rdc(Ω) 1.4 m 3.0 m 6.1 m 12.2 m 24.6 m 49.1 m 98.4 m 195.6 m 391.5 m 779.8 m 1.5
Full
Winding
Turns 21 32 50 78 120 186 288 445 689 1,066 1,651
Rdc(Ω) 1.9 m 4.5 m 11.3 m 28.1 m 68.6 m 169.2 m 416.6 m 1.0 2.5 6.2 15.3