Low Frequency Transformer

Applications:
Audio and video amplifier, AC/AC power supply, Electron, Electronic equipment, Lighting fixtures...
Features & Electrical characteristics:
Ferrite core shape: EI-24~EI-144
Ferrite core material: Mn-Zn
Bobbin shape: Vertical, Horizontal
Primary rated Voltage: 2VA ~ 500VA,
Input Frequency: 50HZ, 60HZ, 50/60HZ, 400HZ
Secondary Rated Voltage: 6000V.Max. Rated Current: 70 Amp.Max.
Dielectric Strength: (withstand without breakdown): 4000V max.
Hi-pot test: Customize
All products are “RoHS” / "REACH" compliant.
Safety: UL, CSA, TUV, VDE standard depending on customer’s requirement.


Unit: mm
SIZE A B C D E F G H I J K R U
EI-28 28 25 8 4 6 17 21 4          
EI-35 35 29.5 9.6 5 7.7 19.5 24.5 5          
EI-38.4 38.4 32 12.8 6.4 6.4 19.2 25.6 6.4          
EI-41 41 33 13 6 8 21 27 6          
EI41(2H) 41 33 13 6 8 21 27 6   27 3 3.2  
EI-48 48 40 16 8 8 24 32 8          
EI-48(2H) 48 40 16 8 8 24 32 8   32 4 3.5  
EI-54 54 45 18 9 9 27 36 9          
EI-54(4H) 54 45 18 9 9 27 36 9   36 4.5 3.5  
EI-57 57 47.5 19 9.5 9.5 28.5 38 9.5          
EI-57(2H) 57 47.5 19 9.5 9.5 28.5 38 9.5   38 4.75 38  
EI-57(4H) 57 47.5 19 9.5 9.5 28.5 38 9.5 47.5 38 4.75 38  
EI-57(U) 57 47.5 19 9.5 9.5 28.5 38 9.5     2.75   5.5
EI-57.15-2H 57.15 47.625 19.05 9.525 9.525 28.575 38.1 9.525   41.275 3.175 3.97  
EI-60 60 50 20 10 10 30 40 10          
EI-60(4H) 60 50 20 10 10 30 40 10 50 40 5 4.5  
EI-66 66 55 22 11 11 33 44 11          
EI-66(2H) 66 55 22 11 11 33 44 11   44 5.5 4.5  
EI-66(4H) 66 55 22 11 11 33 44 11 56 44 5.5 4.5  
EI-76.2 76.2 63.5 25.4 12.7 12.7 38.1 50.8 12.7          
EI-76.2(4H) 76.2 63.5 25.4 12.7 12.7 38.1 50.8 12.7 64 50.8 6.35 5  
EI-78(4H) 78 65 26 13 13 39 52 13 65 52 6.5 4.5  
EI-85.8 85.8 71.5 28.6 14.3 14.3 42.9 57.2 14.3          
EI-85.8(4H) 85.8 71.5 28.6 14.3 14.3 42.9 57.2 14.3 71 57.2 7.15 6  
EI-95.25 95.25 79.38 31.75 15.88 15.88 47.62 63.5 15.88          
EI-95.25-4H 95.25 79.38 31.75 15.88 15.88 47.62 63.5 15.88 79.37 63.6 7.94 6  
EI-96(4H) 96 80 32 16 16 48 64 16 79 64 8 6  
EI-105(4H) 105 87.5 35 17.5 17.5 52.5 70 17.5 87 70 8.75 6  
EI-114(4H) 114 95 38 19 19 57 76 19 95 76 9.5 7  
EI-133.2(4H) 133.2 111 44.4 22.2 22.2 66.6 88.8 22.2 111 88.8 11.1 7  
EI-152.4(4H) 152.4 127 50.8 25.4 25.4 76.2 101.6 25.4 127 101.6 12.7 8  
3P
EI-152(6H)
152.5 137.25 30.5 30.5 30.5 76.25 106.75 30.5 122 106.75 15.25 7.5  
EI-162(4H) 162 135 54 27 27 81 108 27 135 108 13.5 8.5  
EI-171(4H) 171 142.5 57 28.5 28.5 85.5 114 28.5 143 114 14.25 8.5  
EI-190(4H) 190 158.4 63.3 31.63 31.7 95 126.7 31.7 171 139.4 9.5 9  
3P
EI-190(6H)
190 171 38 38 38 95 133 38 152 133 19 9  
EI-228(4H) 228 190 76 38 38 114 152 38 209 171 9.5 9  
3P
EI-228(6H)
228 205.2 45.6 45.6 45.6 114 159.6 45.6 182.4 159.6 22.8 9  
3P
EI-265(6H)
265 241.5 52 52 54.5 132.5 187 54.3 213 187 27.25 10  
3P
EI-305(6H)
305 274.5 61 61 61 152.5 213.5 61 244 213.5 30.4 10.3  
3P
EI-375(6H)
375 337.5 75 75 75 187.5 262.5 75 300 262.5 37.5 10