General Power Transformer < Pin Type: EI Series>
Type: EI-22
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◆ 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
◆ 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 (1-3)
1kHz/1V
D.C.R. (6-8)
(mΩ Max.)
D.C.R. (7-9)
(mΩ Max.)
Hi-pot(1,2,3,4,5-6,7,8,9,10)
(50/60Hz)
3389-T171
2.2mH ± 20%
21
22
AC1500Vrms/1min.
Sample No.
Inductance (1,2-4,5)
1kHz/1V
D.C.R. (2-4)
(mΩ Max.)
Rated Current
(1,2-4,5)
3389-T180
60µH ± 20%
780
4.0A
17.5 MAX.
21.0 MAX.
4.8
-0.5
+1.0
12.0±0.5
1
5
6
10
4.0 4.0 4.0 4.0
φ0.8-0.05
+0.1
23.0 MAX.
±0.3
⑤
④
③
②
①
⑥
⑦
⑧
⑨
⑩
S
S
S
S
⑤
④
③
②
①
⑥
⑦
⑧
⑨
⑩
S
S
S
S
S
S