100/1000BASE-T
TRANSFORMER MODULES
Networking Components
LF9208A
ELECTRICAL CHARACTERISTICS @25oC
Rise Time & Fall Time @5.0ns (Max), Hi-Pot Test @60Sec, 1500Vrms, OCL @8mA DC Bias 350uH (Min)
Insertion
Loss
(dB Max)
60-100 60-125
MHz
Return Loss
(dB Min)
Cross Talk
(dB Min)
Com. To Com.
Rejection Ratio
(dB Min)
Diff. To Com.
Mode Rejection
(dB Min)
Turns Ratio
TX/RX
Model
(
5%)
1
1-60
1-30 30-40 40-50 50-60 1-60
MHz
1-60
60-100 60-125
MHz
1-100
60-100
MHz
MHz
MHz
LF9208A
LF9209A
-0.5 -1.0 -1.2 -16 -13.5 -11.5 -10 -40 -38 -33
-0.5 -1.0 -1.2 -16 -13.5 -11.5 -10 -40 -38 -33
-30
-30
-40
-40
-30
-30
1:1 / 1:1
1:1 / 1:1
MECHANICAL CONSTRUCTION
SCHEMATICS
LF9208A
24
23
A
2
1
3
13
24
22
21
20
B
D
5
4
6
LF920**
12
19
1
18
17
E
F
DATE CODE
8
7
9
K
16
15
14
11
10
12
C
13
I
J
LF9209A
23
24
22
2
1
3
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)
12.50 16.76
20
21
19
5
4
6
0.76
1.27
F = 0.46 0.127 / 0.018 0.005
G = 0.254 0.127 / 0.010 0.005
H = 0.254 / 0.010 (TYP)
17
18
16
8
7
9
I = 1.00 0.254 / 0.039 0.010
J = 0o~8o
K = 13.97 / 0.550 (TYP)
14
15
13
11
10
12
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