Spec Sheet

RoHS
EFD20 Power Transformer
AEFD20-4251
al Specificat ions @25oC
EFD20 Core Design
Wire Wound SMD Low Profile Design
Operating Temperature range: -40ºC to +130ºC
Specifications @25℃
Inductance
L @100KHz, 0.8V
(1,2-3,4)
Leakage Inductance
LK @ 100KHz, 0.8V
(1,2-3,4)
(with 7,8,9,10,11,12 Shorted)
R(1 - 3)
R(2 - 4)
R(5 - 6)
R(12,11,10-9,8,7)
.25uH Max
20mΩ Max
18mΩ Max
130mΩ Max
3mΩ Max
4.50uH (±5%)
DC Resistance
Specifications @25℃
Turns Ratio
@100KHz, 0.1V
Hi-Pot
(1-3) : (12,11,10-9,8,7)
(1-3) : (2-4)
(1-3) : (5-6)
1 : 1±3%
0.857 : 1±3%
1,2,3,4,5,6 to 7,8,9,10,11,12
1800VAC/SEC
3 : 1±3%
1,2,3,4 to 5,6
1,2,3,4,5,6,7,8,9,10,11,12 to CORE
600VAC/SEC
600VAC/SEC
All specifications subject to change without notice.
MECHANICAL
UNIT: mm
D
Allied
AEFD20-4251
YYWW
A
12
0.13
1
C
SIDE VIEW
F
1
E
1
6
FRONTVIEW
6
B
12
7
BOTTOM VIEW
949-356-1780
A
B
C
D
E
F
21.84
MAX
29.21
MAX
11.43
MAX
24.00
MAX
3.00
±0.50
0.70
±0.15
ALLIED COMPONENTS INTERNATIONAL
08/27/2015
15
1 of 2
www.alliedcomponents.com
RoHS
EFD20 Power Transformer
SCHEMATICS
AEFD20-4251
cat ions @25oC
1
2FSW Φ0.25mm *5
6T's
3
2
12, 11, 10
2FSW Φ0.25mm *5
6T's
FOIL 66*10.5*0.127t 2T'S
4
5
9, 8, 7
2FSW Φ0.25mm
7T's
6
949-356-1780
ALLIED COMPONENTS INTERNATIONAL
08/27/2015
15
2 of 2
www.alliedcomponents.com