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ERH2819 Datasheet, PDF (1/1 Pages) Sumida Corporation – General Power Transformer
General Power Transformer <Pin Type: ERH Series>
Type: ERH2819
◆ Product Description
・35.5×30.0mm Max.(L×W), 22.5mm Max. Height.
・Custom design is available.
◆ Feature
・Max. Operating frequency 500kHz. Max Operating Power 35.0W(500kHz)
・Ideally used as general power transformers in Switching regulator, EL inverter and
Power Factor Correction choke.
・RoHS Compliance
◆ Dimensions (mm)
⑦
⑫
+1.0
29.0-0.5
MAX.22.5
⑥
4.0±0.5
①
10-5.0±0.5
◆ Schematics (Bottom)
1. For General Power Transformer.
S⑥
S⑤
④
③
②
①
⑦S
⑧S
⑨S
⑩
⑪
⑫
“ S” is winding start
2. For PFC choke
⑥
S⑤
S④
③
②
①
⑦
⑧S
⑨S
⑩
⑪
⑫
◆ Specification (For General Transformer)
Sample No.
3339-T046
Inductance (6-1)
1kHz/1V
600µH ± 20%
D.C.R. (6-1)
(mΩ Max.)
1500
Hi-pot
Winding-winding
(50/60Hz)
AC 3000Vrms/1min.
◆ Specification (For PFC choke)
Sample No.
Inductance (9-10)
1kHz/1V
D.C.R.(3-4)
(mΩ Max.)
D.C.R.(5-2)
(mΩ Max.)
Rated Current
(2,3-4,5)
3339-T055
135μH±17%
91
102
2.0 A
※ 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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