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
◆
Dimensions (mm)
φ0.8±0.1
27.0 MAX.
＋
＋
＋
＋
12.5
＋
＋
＋
＋
20.0 MAX.
22.0 MAX.
＋1.0
－0.5
2.7
◆
Schematics (Bottom)
1. For General Transformer
④
S ③
②
S ①
⑤
⑥
⑦
⑧
S
S
2. For PFC choke
④
③
②
S ①
⑤
⑥ S
⑦
⑧
“ S” is winding start
“ S” is winding start
◆
Specification (For General Transformer)
Sample No.
3370-T029
Inductance (1-2)
1kHz/1V
D.C.R. (1-2)
(Ω Max.)
3.5
Hi-pot
Winding-winding
(50/60Hz)
AC 1500Vrms/1min.
15.7mH ± 20%
◆
Specification (For PFC choke)
Sample No.
3370-T027
Inductance (6-8)
1kHz/1V
(mΩ Max.)
370
D.C.R. (6-8)
Rated Current
(6-8)
1.5 A
470μH ± 15%
※
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
5.0 5.0 5.0 ±0.3
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SUMIDA [ SUMIDA CORPORATION ]
