100/1000BASE-T
TRANSFORMER MODULES
Networking Components
9
LF
20
8A
ELECTRICAL CHARACTERISTICS @25 C
Rise Time & Fall Time @5.0ns (Max), Hi-Pot Test @60Sec, 1500Vrms, OCL @8mA DC Bias 350uH (Min)
Insertion
Loss
(dB Max)
MHz
o
Model
Return Loss
(dB Min)
Cross Talk
(dB Min)
60-100 60-125
MHz
Com. To Com.
Rejection Ratio
(dB Min)
1-100
MHz
Diff. To Com.
Mode Rejection
(dB Min)
1-60
MHz
60-100
Turns Ratio
TX/RX
( 5%)
1
MHz
1-60 60-100 60-125 1-30 30-40 40-50 50-60 1-60
MHz
LF9208A
LF9209A
-0.5
-0.5
-1.0 -1.2
-1.0 -1.2
-16 -13.5 -11.5 -10
-16 -13.5 -11.5 -10
-40
-40
-38
-38
-33
-33
-30
-30
-40
-40
-30
-30
1:1 / 1:1
1:1 / 1:1
MECHANICAL
CONSTRUCTION
A
24
13
SCHEMATICS
LF9208A
2
1
3
24
23
22
21
20
19
18
17
16
15
14
13
B
D
LF920**
1
12
5
4
6
8
7
9
11
10
12
I
J
E
K
F
DATE CODE
C
G
H
LF9209A
2
1
3
5
4
6
8
7
9
11
10
12
23
24
22
20
21
19
17
18
16
14
15
13
12.50 16.76
1.27
0.76
UNIT : mm / inch
A = 17.00 0.254 / 0.669 0.010
B = 12.00 0.254 / 0.472 0.010
C = 5.71 0.254 / 0.225 0.010
D = 16.00 0.254 / 0.630 0.010
E = 1.27 / 0.050 (TYP)
F = 0.46 0.127 / 0.018 0.005
G = 0.254 0.127 / 0.010 0.005
H = 0.254 / 0.010 (TYP)
I = 1.00 0.254 / 0.039 0.010
J = 0
o
~8
o
K = 13.97 / 0.550 (TYP)
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
252, SAN YING ROAD, KUEI SAN INDUSTRIAL ZONE, TAOYUAN SHIEN, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
Http://www.deltaww.com/products/networking
A-29
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