100/1000BASE-T
TRANSFORMER MODULES
Networking Components
LF9402
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)
60-100 100-125
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
40
50
60-80 100
30
30
60
100
1-100
60
100
MHz
MHz
MHz
MHz
MHz
LF9402
-0.5 -1.0 -1.2 -18 -14.4 -13.1 -12 -10 -40 -35 -30
-30
-40
-35 -30
1:1 / 1:1
MECHANICAL CONSTRUCTION
SCHEMATICS
A
48
47
2
1
48
25
TX1
3
46
45
44
B
D
5
4
6
TX2
LF9402
43
24
1
42
41
E
8
7
9
F
DATE CODE
TX3
TX4
TX5
TX6
40
K
39
38
11
10
12
37
36
35
14
13
15
I
J
34
1.02
0.64
33
32
17
16
18
UNIT : mm / inch
A = 27.81.00 0.254 / 1.095 0.010
B = 12.20 0.254 / 0.480 0.010
C = 7.24 0.254 / 0.285 0.010
D = 15.24 0.254 / 0.600 0.010
E = 1.02 / 0.040 (TYP)
31
30
29
16.86
20
TX7 19
21
F = 0.41 0.127 / 0.016 0.005
G = 0.254 0.127 / 0.010 0.005
H = 0.254 / 0.010 (TYP)
28
27
26
I = 0.69 0.254 / 0.027 0.010
J = 0o~8o
23
TX8
22
24
K = 23.46 / 0.924 (TYP)
25
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-32