RUISEN MAGNETICS CO.LTD

Our company are specialized in manufacturing sintered neodymium iron boron magnets, Ferrite magnets , also supply magnetic assemblies & devices. We offer our customers a larger product range, include Neodymium magnets,Ferrite magnet, Flexible magnet, and all different kinds of magnetic assemblies & devices.
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Additional Info.
  • CN-China
Product Description

EIR CORES (Dimensions)

TYPE Dimensions Unit/mm
A B C D E F I W(g/set)
EIR10/4 9.9±0.15 3.2±0.1 7.8±0.1 8.1±0.15 3.7±0.1 1.05±0.1 1.05±0.10 0.5
EIR12/5 12.0±0.15 3.55±0.1 9.0±0.2 10.0±0.25 4.5±0.1 2.55±0.1 1.0±0.05 1.6
EIR12/5A 12.4±0.2 4.1±0.1 5.0±0.15 10.4min 3.4±0.1 3.1±0.1 0.9±0.1 0.9
EIR13/4 12.8±0.3 2.85±0.1 8.7±0.25 11.2±0.3 5.0±0.15 1.75±0.15 1.1±0.1 1.4
EIR20/9 20.0±0.35 6.3±0.1 14.0±0.3 18.0±0.35 8.8±0.15 4.1±0.15 2.3 ±0.1 8.4
EIR25/10 25.0±0.4 8.0±0.1 18.0±0.3 22.0±0.4 11.0±0.2 5.6±0.15 2.3±0.1 14.4
EIR28/18 28.55±0.55 15.0±0.2 11.4±0.25 21.2min 9.9±0.25 9.65±0.25 3.5±0.3 19.9
EIR35/26 35.0±0.5 20.7±0.3 11.3±0.3 25.6min 11.3±0.25 14.7±0.3 5±0.2 34.0

Core Set Parameters

TYPE C1(mm) Ae(mm) Le(mm) Ve(mm) AL±25%(nH/N)
Lp4 Lp44
EIR10/4 1.48 8.3 12.3 102 970 1030
EIR12/5 0.14 18.0 16.9 305 1500 1610
EIR12/5A 1.68 9.8 16.5 162 910 1000
EIR13/4 0.64 20.2 13.0 264 2310 2370
EIR20/9 0.43 59.8 25.8 1540 4350 4580
EIR25/10 0.32 92.3 29.2 2699 5000 5100
EIR28/18 0.55 82.1 45.5 3734 3800 4120
EIR35/26 0.57 105.7 60.3 6378 3800 4180

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