Allied AT4218 Single port isolation transformer Datasheet

RoHS
Single Port Isolation Transformer
AT4218
10/100 Base-T for Ethernet Applications
Standard Operating Temperature range: -0ºC to +70ºC
Maximum reflow temperature: 250ºC/-5ºC for 20-40 seconds
(Refer to IPC/JEDEC J-STD-02C Standard)
Electrical Specificat ions @25oC
Turn Ratio
(±5%)
TX (6-8):(11-9)
CW/W (pF Max)
@ 100KHz, 0.1V
TX&RX
OCL (uH min)
@ 100KHz,0.1V
TX&RX
RX (1-3):(16-14)
1:1.414
12
140
1:1
o
Electrical Specificat ions @25 C
Leakage Inductance
@ 100KHz ,0.1V
(uH Max)
DCR (Ω Max)
TX&RX
0.20
0.30
Isolation Voltage
(Vrms)
1500
All specifications subject to change without notice.
MECHANICAL
UNIT :mm/inch
PAD A
A
A=12.70/0.50 Max
PAD B
B=7.15/0.282 Max
Allied
AT4218
YYWW
C=6.20 max/0.244 max
PAD C
B
PAD D
D=8.89/0.350
PAD E
E=1.27/0.050 Typ
SUGGESTED PCB PAD LAYOUT
F=0.25/0.010 Typ
G=9.30/0.366 Typ
H
H=0.25/0.010 Typ
I =0.90/0.035 Typ
PDA-A=9.53/0.375
PDA-B=1.27/0.050
C
F
0~8゜
I
PDA-C=10.50/0.413
PDA-D=1.70/0.067
PDA-E=0.76/0.030
E
G
D
SCHEMATICS
1
1CT:1CT
2
15
3
6
949-356-1780
16
14
1CT:1.414
11
7
10
8
9
15 INTERNATIONAL
ALLIED COMPONENTS
9/18/2015
www.alliedcomponents.com
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