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CWSBYTEMARK
- February 25th 2018 -
Call Today Toll Free: 1 (800) 377-3244
We Are Available Monday to Friday From 8 a.m.- 5 p.m., Pacific Time
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Laminations

EI Series


Useful Design Formulas
Bm = 3.489E x 106NfAcKs Gausses L = 3.192 x 10-8 N2AcKs Henrys
E = 2.866 x 10-7 Bm N f Ac Ks volts N = 3.489 x 106Bm f Ac Ks turns
H = 0.4947 N I Oersteds = BH Gauss/Oersted

Legend
Ac = core cross section area (center leg width x stack heigh) inch2 Bm = maximum flux desnity, Gauss
= mean length of flux path, inch E = RMS sine wiave voltage of winding
f = sine wave frequency, Hertz H = magnetizing force, Oersted
Ks = lamination stacking factor (Ks x Ac = effective core area) L = inductance, Henry
I = current, ampere N = number of turns in winding
= permeability (CGS system), Gauss/Oersted

Silicon Steel Alloys
ASTM Thickness (in mils) Description
M-6 .014 Grain oriented 3.3% SiFe.
M-19 .025 Non oriented silicon steels with 1.8 to 3.0% Si.
.018 The fully processed grades have higher Si content and
M-22 .025 are harder, Rb>75, after the final anneal. They are
.018 available varnish coated. The semi processed grades
M-27 .025 have a phosphate insulation, are always annealed after
.018 stamping, yielding high permeability, and lower core loss
M-36 .025 for a given silicon content. This table lists only the
.018 semiprocessed grades.
Low Carbon Steel Alloys
ASTM Description
M-50 Low carbon steel insulated .025, 2.7-3.2W/#, 7VA#
M-55 Low carbon steel insulated .025, 3.7-4.2W/#, 7VA/#
M-56 Low carbon steel insulated .025, 4.3-4.8W/#, 8VA/#
M-65 Unannealed low carbon, .025, 6.5W/#, 15VA/#


  Part Number Quantity
on hand
Price  
  EI-100 26 M19 100000
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  EI-100 29 M6 100000
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  EI-100-26M50 100000
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  EI-100-29M16 100000
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EI-112 26 M19 0 $0.93
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EI-112 26 M50 3266 $0.83
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  EI-112 29 M19 100000
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EI-112 29 M6 3770 $1.90
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EI-125 26 M19 10590 $0.93
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EI-125 26 M50 0 $0.83
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EI-125 29 M6 5829 $1.90
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  EI-125-29M19 100000
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  EI-150 26 M19 100000
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EI-150 26 M50 1 $0.83
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EI-150 29 M6 4981 $1.90
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  EI-150-29M19 100000
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  EI-175 26 M19 100000
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  EI-175 26 M50 100000
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  EI-175 29 M19 100000
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  EI-175 29 M6 100000
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  EI-2.40 3 26 M19 100000
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  EI-2.40 3 26 M50 100000
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  EI-2.40 3 29 M19 100000
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  EI-2.40 3 29 M6 100000
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  EI-200 29 M19 100000
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  EI-200 29 M6 100000
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  EI-37 26 M19 100000
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  EI-37 26 M50 100000
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  EI-37 29 M19 100000
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  EI-37 29 M6 100000
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  EI-400 26 M19 100000
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  EI-400 26 M50 100000
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EI-400 29 M6 0 $1.90
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  EI-400-29M19 100000
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  EI-62 26 M19 100000
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  EI-62 26 M50 100000
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  EI-62 29 M6 100000
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  EI-62-29M19 100000
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  EI-75 26 M19 100000
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  EI-75 26 M50 100000
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  EI-75 29 M19 100000
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  EI-75 29 M6 100000
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  EI-87 26 M19 100000
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  EI-87 26 M50 100000
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  EI-87 29 M19 100000
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  EI-87 29 M6 100000
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Disclaimer: CWS Bytemark reserves the right at any time and from time to time to make changes to design, technical specification, or construction of any product listed on this website without notice. CWS Bytemark also reserves the right to discontinue or limit sale of any product or service available throughout this website on temporary or permanently basis without notice. CWS Bytemark highly recommend customers not to use its products offered on this website for inappropriate use and applications. Products should be tested for its suitability by prospective customers in all possible applications and conditions.

WARNING: This product can expose you to chemicals, which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go towww.P65Warnings.ca.gov.


Any Comments, Suggestions or Questions? Contact us! Email: sales@cwsbytemark.com
CWS 353 West Grove Ave. Orange, California 92865
Call us Toll Free: 1-800-679-3184 or 1 (800) 377-3244
Tel: (714) 279-9010, Fax: (714) 279-9482

Copyright (C)2008, CWS Bytemark
Updated 2013 Jan. Rev. V3.1
.