SUMIDA EF2017

General Power & PoE Transformer<Pin Type: EF series>
Type: EF2017
◆ Product Description
・21.5×22.3mm Max.(L×W), 18.5mmMax. Height.
・In addition to the typical versions of parameters shown here,
custom parameters are available to meet your exact requirements.
◆ Feature
・Max. Operating frequency 500kHz,Max. Operating Power 16.5W(500kHz).
・Ideally used in Switching power supply etc.
・Ideally used as PoE transformer.
・RoHS Compliance
+1.0
3.5-0.5
MAX.18.5
15.2±0.3
4-3.81
21.2±0.3
φ0.80
22.0±0.3
◆ Dimensions (mm)
◆ Schematics (Bottom)
For General Power Transformer
For Power over Ethernet Transformer
S ⑤
⑥
⑤
④
⑦
S ④
⑦
S ③
⑧
③
⑧
⑥ S
②
⑨ S
S ②
⑨
S ①
⑩ S
①
⑩
“S”indicates winding start.
“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 & PoE Transformer<Pin Type: EF series>
Type: EF2017
◆ Specification (For General Power Transformer)
Sample No.
Inductance (3-2)
1kHz/1V
D.C.R. (3-1)
(mΩ Max.)
D.C.R. (1-2)
(mΩ Max.)
Hi-pot (1,3,4,5-10,9,7,6)
(50/60Hz)
4393-T063
1.4mH ± 10%
750
1000
AC 1000Vrms/1min.
◆ Specification (For Power over Ethernet Transformer)
Sample No.
4393-T065
Turns Ratio
(Pri:Sec:Aux)
Primary
Inductance
100kHz/0.1V
Pri-Sec.
Insulation
Leakage L
(μH Max.)
1:0.122:0.095
2.2mH±10%
AC3000Vrms
(2mA/60Hz,1min)
10.0
D.C.R. (Ω Max.)
Pri.
Aux.
Sec.
2.5
0.18
0.14
Please refer to the sales offices on our website for a representative near you
www.sumida.com
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