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PDF EI-25S Data sheet ( Hoja de datos )
| Número de pieza | EI-25S | |
| Descripción | General Power Transformer | |
| Fabricantes | Sumida Corporation | |
| Logotipo |  |
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General Power Transformer <Pin Type: EI Series>
Type: EI-25S
◆ Product Description
・28.0×21.0mm Max.(L×W), 21.0mm Max. Height.
・Custom design is available.
◆ Feature
・Max. Operating frequency 300kHz. Max. Operating power 36.0W(300kHz)
・Ideally used in Switching regulator, EL inverter and Power Factor Correction choke.
・RoHS Compliance
www.DataS◆heeDt4imU.ecnomsions (mm)
20.0 MAX.
＋1.0
－0.5
22.0 MAX. 2.7
＋＋
＋＋
＋＋
＋＋
12.5
◆ Schematics (Bottom)
1. For General Transformer
④ ⑤S
S③
⑥S
②⑦
S①
⑧
“ S” is winding start
2. For PFC choke
④
③
②
S①
⑤
⑥S
⑦
⑧
“ S” is winding start
◆ Specification (For General Transformer)
Sample No.
3370-T029
Inductance (1-2)
1kHz/1V
15.7mH ± 20%
D.C.R. (1-2)
(Ω Max.)
3.5
Hi-pot
Winding-winding
(50/60Hz)
AC 1500Vrms/1min.
◆ Specification (For PFC choke)
Sample No.
3370-T027
Inductance (6-8)
1kHz/1V
470μH ± 15%
D.C.R. (6-8)
(mΩ Max.)
370
Rated Current
(6-8)
1.5 A
※ Rated current: The DC current at which the inductance decreases to 90 % of it’s initial
value or when △t=40℃, whichever is lower(Ta=20℃).
Please refer to the sales offices on our website for a representative near you
www.sumida.com
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