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  Datasheet File OCR Text:
 General Power & PoE Transformer
Type: EEH157
Product Description
15.8x15.6mm Max.(LxW), 8.5Max. 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 7.6W(300kHz). Ideally used in AC adapter for cellular phone, Portable equipment. Ideally used in PoE transformer. RoHS Compliance
Dimensions (mm)
5-2.50.3
15.40.4
8.00.5
3.20.5
12.50.5 6 7
5-2.50.3
STAMPDATE CODE
15.20.4
0.6
ADHESIVE
1
12
1
6
Schematics (Bottom)
For General Power Transformer For Power over Ethernet Transformer
S S
S
S
S S
"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
Type: EEH157
Specification (For General Power Transformer)
Inductance (1-2) 10kHz/1V D.C.R. (5-8) Hi-pot (1,2,4,5,8-11,12) (50/60Hz) AC 500Vrms/1min.
Sample No. 4390-T160
(m Max.) 250
1,75mH 25%
Specification (For Power over Ethernet Transformer)
Sample No.
Turns Ratio (Pri:Sec:Aux) 1:0.429:0.429
Primary Inductance 1kHz/1V 15025%
Pri-Sec. Insulation DC500V (2mA,1min)
Leakage L (H Max.) 5.0
D.C.R. (m Max.) Pri. 170 Aux. 90 Sec. 90
4390-T143
Please refer to the sales offices on our website for a representative near you
www.sumida.com
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