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Sumida Corporation |
General Power Transformer < Pin Type: EI Series>
Type: EI-22
◆ Product Description
・23.0×17.5mm Max.(L×W), 21.0mm Max. Height.
・Custom design is available.
◆ Feature
・Max. Operating frequency 300kHz. Max Operating Power 18.0W(300kHz),7.8W(100kHz).
・Ideally used in Switching regulator, EL inverter and Power Factor Correction choke.
・RoHS Compliance
www.DataS◆heeDt4imU.ecnomsions (mm)
56
17.5 MAX.
21.0 MAX.
+1.0
-0.5
4.8
1 10
12.0±0.5
◆ Schematics (Bottom)
1. For General Transformer
2.For PFC choke
⑤
S④
③
S②
S①
⑥S
⑦S
⑧
⑨S
⑩
“ S” is winding start
⑤
④
③
S②
S①
⑥S
⑦S
⑧
⑨
⑩
“ S” is winding start
◆ Specification (For General Transformer)
Sample No.
Inductance (1-3)
1kHz/1V
D.C.R. (6-8)
(mΩ Max.)
3389-T171
2.2mH ± 20%
21
◆ Specification (For PFC choke)
D.C.R. (7-9)
(mΩ Max.)
22
Hi-pot(1,2,3,4,5-6,7,8,9,10)
(50/60Hz)
AC1500Vrms/1min.
Sample No.
3389-T180
Inductance (1,2-4,5)
1kHz/1V
60µH ± 20%
D.C.R. (2-4)
(mΩ Max.)
780
Rated Current
(1,2-4,5)
4.0A
※ 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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