General Power Transformer < Pin Type: EI Series>
Type: EI-255
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◆ 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)
◆ Schematics (Bottom)
1. For General Transformer 2. For PFC choke
“ S” is winding start “ S” is winding start
◆ Specification (For General Transformer)
◆ Specification (For PFC choke)
※ 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℃).
Sample No.
Inductance (4-3)
1kHz/1V
Leakage Inductance
(4-3)
100kHz/1V
Hi-pot
Winding-winding
50/60Hz
3382-T236
38µH ± 20%
2.0µH Max. DC 3000Vrms/1min.
Sample No.
Inductance (1-8)
1kHz/1V
D.C.R.(1-8)
(mΩ Max.)
Rated Current
(1-8)
3382-T227
1.95mH ± 15%
715 1.0A
15.0±0.3
6.5
±0.2
6.5
±0.2
6.5
±0.2
21.0 MAX.
φ0.8±0.1
22.0 MAX.
7.0
27.0 MAX.
Adhesive
+1.0
-0.5
①
②
③
④
⑤
⑥
⑦
⑧
S
S
S
S
①
②
③
④
⑤
⑥
⑦
⑧
S