Sumida EI-20H General power &power over ethernet transformer type: ei series> Datasheet

General Power &Power over Ethernet Transformer<Pin Type: EI series>
Type: EI-20H
◆ Product Description
・22.0×21.0mm Max.(L×W), 13.0mmMax. Height.
・In addition to the typical versions of parameters shown here,
custom parameters are available to meet your exact requirements.
◆ Feature
・Max. Operating frequency 300kHz,Max. Operating Power 11.0W(300kHz).
・Ideally used in PoE transformer, can be used as general power transformer.
・RoHS Compliance
◆ Dimensions (mm)
PIN NO.1
M A X . 2 1 .0
2.5 2.5 2.5 2.5 2.5 2.5
15.0 ± 0 .3
φ 0 .6 ± 0. 1
± 0.2
STAMP ・DATE CODE
17.5 ±0.3
±1 . 0
MAX.13.0 5.5
⑭
①
MAX. 22.0
ADHESIVER
◆ Schematics (Bottom)
For PoE Transformer
S
S
⑦
⑥
⑤
④
③
②
①
For General Transformer
⑦
⑥
S ⑤
④
③
②
S ①
⑧ S
⑨
⑩
⑪ S
⑫ S
⑬
⑭
⑧
⑨
⑩
⑪
⑫
⑬
⑭
S
“S”indicates winding start.
Please refer to the sales offices on our website for a representative near you
www.sumida.com
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General Power &Power over Ethernet Transformer<Pin Type: EI series>
Type: EI-20H
◆ Specification (For PoE transformer)
Sample No.
3309-T078
Turns Ratio
(Pri:Sec:Aux)
Primary
Inductance
1kHz/1V
Pri-Sec.
Insulation
Leakage L
(μH Max.)
6:7:9:22
6.1μH±25%
AC1500Vrms
(0.5mA/60Hz,2s)
1.0
D.C.R. (mΩ Max.)
Pri.
Aux.
Sec.1
Sec.2
42
52
65
200
◆Specification (For general power transformer)
Sample No.
Inductance
(1-3)
1kHz/1V
D.C.R
(1-3)
D.C.R
(13-9)
Hi-pot
Winding-Core
(50/60Hz)
Hi-pot
Winding-winding
(50/60Hz)
3309-T075
155µH±20%
293mΩ Max.
5.0Ω Max.
AC 600Vrms/2s
AC 600Vrms/2s
Please refer to the sales offices on our website for a representative near you
www.sumida.com
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