EFD20 High Frequency Transformer AEFD20-3746
15
ALLIED COMPONENTS INTERNATIONAL
714-665-1140www.alliedcomponents.com
RoHS
05/21/12
EFD20 Core Design
12 Pin SMD
Operating Temperature range: -40ºC to +130ºC
All specifications subject to change without notice.
o
Electrical Specificat
i
ons @25 C
SCHEMATICS
MECHANICAL
Maximum reflow temperature: 250ºC/-5ºC for 20-40 seconds
(Refer to IPC/JEDEC J-STD-02C Standard)
Flyback Topology
Specifications @25℃
Inductance
Lp @200KHz, 0.1V
(1,2 - 3,4)
Leakage Inductance
Ls @ 200KHz, 0.1V
(tie 7+8+9+10+11+12)
(1,2 - 3,4)
DCR
(1,2 - 3,4) DCR
(5 - 6) DCR
(12,11,10 – 9,8,7)
Isolation Voltage
3mA, 1sec, 60Hz
1,2,5 to 12,11,10
20.5uH (±5%) 1.0uH Max 39mΩ max 230mΩ max 8.5mΩ max 1800Vac
A 29.21 Max
B 21.84 Max
C 12.00 Max
D 24.60 Ref
E 2.00 Ref
F 3.00 ± 0.10
G 0.70 ± 0.10
Unit : mm
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Marking :
Remark:
YYWW=DATE CODE, YY=YEAR; WW=WEEK
●YYWW
AEFD20-3746
ALLIED
