General Power Transformer < Pin Type: EI Series>
Type: EI-255
◆
Product Description
・27.0×21.0mm
Max.(L×W), 22.0mm Max. Height.
・Custom
design is available.
◆
Feature
・Max.
Operating frequency 300kHz. Max. Operating power 38.0W(300kHz)
・Ideally
used in Switching regulator, EL inverter and Power Factor Correction choke
・RoHS
Compliance
◆
Dimensions (mm)
±0.2±0.2 ±0.2
6.5 6.5 6.5
27.0 MAX.
21.0 MAX.
22.0 MAX.
+1.0
-0.5
7.0
φ0.8±0.1
15.0±0.3
◆
Schematics (Bottom)
1. For General Transformer
Ｓ
A d h esive
2. For PFC choke
④
③
⑤
⑥
⑦
⑧
④
③
②
①
⑤
⑥
⑦
⑧
Ｓ
Ｓ
②
Ｓ
Ｓ
①
“ S” is winding start
“ S” is winding start
◆
Specification (For General Transformer)
Sample No.
3382-T236
Inductance (4-3)
1kHz/1V
Leakage Inductance
(4-3)
100kHz/1V
2.0µH
Max.
Hi-pot
Winding-winding
(50/60Hz)
DC 3000Vrms/1min.
38µH ± 20%
◆
Specification (For PFC choke)
Sample No.
3382-T227
Inductance (1-8)
1kHz/1V
D.C.R.(1-8)
(mΩ Max.)
715
Rated Current
(1-8)
1.0A
1.95mH ± 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
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SUMIDA [ SUMIDA CORPORATION ]
