100/1000BASE-T
TRANSFORMER MODULES
Networking Components
9
LF
20
7A
ELECTRICAL CHARACTERISTICS @25 C
Rise Time & Fall Time @5.0ns (Max), Hi-Pot Test @60Sec, 1500Vrms, OCL @8mA DC Bias 350uH (Min)
Model
Insertion
Loss
(dB Max)
MHz
o
Return Loss
(dB Min)
MHz
Cross Talk
(dB Min)
30-60 60-100
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 60-100 100-125 1-30 30-40 40-50 50-100 1-30
LF9207A
-0.5 -1.0
-1.2
-16 -13.5 -11.5 -10
-40
-38
-33
-30
-40
-30
1:1 / 1:1
MECHANICAL
CONSTRUCTION
A
24
13
SCHEMATICS
LF9207A
2
1
3
5
4
6
8
7
9
11
10
12
23
24
22
20
21
19
17
18
16
14
15
13
LF92***
1
12
DATA CODE
11.18
D
C
H
B
J
E
F
G
I
0.99
0.64
UNIT : mm / inch
A = 13.77 0.254 / 0.542 0.010
B = 15.24 0.254 / 0.600 0.010
C = 5.72 0.254 / 0.225 0.010
D = 18.80 0.254 / 0.630 0.010
E = 0.99 / 0.039 (TYP)
F = 0.41 0.127 / 0.016 0.005
G = 0.254 0.127 / 0.010 0.005
H = 0.254 / 0.010 (TYP)
I = 1.14 / 0.045 (REF)
J= 0
o
~8
o
19.56
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
252, SAN YING ROAD, KUEI SAN INDUSTRIAL ZONE, TAOYUAN SHIEN, TAIWAN, R.O.C.
15.50
TEL: 886-3-3591968; FAX: 886-3-3591991
Http://www.deltaww.com/products/networking
A-28
1
