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Número de pieza | LF8737 | |
Descripción | FAST ETHERNET 10BASE-T/100BASE-TX TRANSFORMER MODULES | |
Fabricantes | Delta | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de LF8737 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
No Preview Available ! FAST ETHERNET 10BASE-T/100BASE-TX
TRANSFORMER MODULES
Networking
Components
LF8258 0047
ELECTRICAL CHARACTERISTICS @25oC
Rise Time & Fall Time @5.0ns (Max), Hi-Pot Test @60Sec, 1500Vrms, OCL @8mA DC Bias 350uH (Min)
Model
Insertion
Loss
(dB Max)
1~100
MHz
Return Loss
(dB Min)
2~30 40 50 60~80
MHz
Cross Talk
(dB Min)
1 30 60 100
MHz
Com. To Com.
Rejection Ratio
(dB Min)
1~60 60~100
MHz
Diff. To Com.
Mode Rejection
(dB Min)
1~60 60~100
MHz
Turns Ratio
TX/RX
( 5%)
1
MHz
LF8258
LF8264A
LF8702
LF8703
LF8707
LF8708
LF8715
LF8725B
LF8726
LF8731
LF8737
LF8741
-1.0 -18 -17 -14.5 -12 -65 -55 -45 -35 -40
-1.0 -18 -17 -14.5 -12 -65 -55 -45 -35 -40
-1.0 -18 -16 -12.0 -10 -65 -55 -45 -35 -40
-1.0 -18 -16 -12.0 -10 -65 -55 -45 -35 -40
-1.0 -18 -17 -14.5 -12 -65 -55 -45 -35 -40
-1.0 -18 -17 -14.5 -12 -65 -55 -45 -35 -40
-1.0 -18 -16 -12.0 -10 -65 -55 -45 -35 -40
-1.0 -18 -16 -12.0 -10 -65 -55 -45 -35 -40
-1.0 -18 -16 -12.0 -10 -65 -55 -45 -35 -40
-1.0 -18 -17 -14.5 -12 -65 -55 -45 -35 -40
-1.0 -18 -17 -14.5 -12 -65 -55 -45 -35 -40
-1.0 -18 -17 -14.5 -12 -65 -55 -45 -35 -40
-30
-30
-30
-30
-30
-30
-30
-30
-30
-30
-30
-30
-40 -30
1:1 / 1:1
-40 -30
1:1 / 1:1
-40 -30
2:1 / 1:1
-40 -30 1:1.414 / 1:1
-40 -30
1:1 / 1:1
-40 -30
1:1 / 1:1
-40 -30 1.414:1 / 1:1
-40 -30 1.25:1 / 1:1
-40 -30
2:1 / 1:1
-40 -30 1:1 / 1:1
-40 -30 1:1 / 1:1
-40 -30
1:1 / 1:1
MECHANICAL CONSTRUCTION
A
24.13
LF8**
E
K
F
BD
DATE CODE
1.27
C
I
12.18 16.76
0.76
J
UNIT : mm / inch
A = 28.00 0.254 / 1.102 0.010
B = 12.00 0.254 / 0.472 0.010
C = 5.80 0.254 / 0.228 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 = 0o ~ 8o
K = 24.13 / 0.950 (TYP)
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG) 31-1, SHIEN PAN ROAD, KUEI SAN INDUSTRIAL ZONE, TAOYUAN SHIEN, TAIWAN, R.O.C.
TEL: 886-3-3626301; FAX: 886-3-3618901
www.deltaww.com/products/networking/
22
Free Datasheet http://www.Datasheet4U.com
1 page FAST ETHERNET 10BASE-T/100BASE-TX
TRANSFORMER MODULES
Networking
Components
SCHEMATICS
LF8741
1
RX1 2
4
TX1 3
5
6
TX2 8
7
9
RX2
10
11
RX3
12
14
TX3 13
15
16
TX4 18
17
19
RX4
20
37
36
40
39
38
32
31
33
35
34
27
26
30
29
28
22
21
23
25
24
PIN ASSIGNMENT
Port 1
Pin Name Pin# Pin# Pin Name
TD+1 4 .........40 TX+1
TCT 1 3 .........38 CMT 1
TD-1
5 .........39
TX-1
RD+1 1 .........37 RX+1
RD-1 2 .........36 RX-1
Port 3
Pin Name Pin# Pin# Pin Name
TD+3 14 ........30 TX+3
TCT 3 13 ........28 CMT 3
TD-3 15 ........29 TX-3
RD+3 11 ........27 RX+3
RD-3 12 ........26 RX-3
FOR AUTO MDI/MDIX APPLICATIONS
LF8731
1
TX1
2
3
4
RX1
5
6
RX2
7
8
9
TX2
10
11
TX3
12
13
14
RX3
15
16
RX4
17
18
19
TX4
20
PIN ASSIGNMENT
Port 1
Pin Name Pin# Pin# Pin Name
TD+1 1 .........40 TX+1
TCT 1 3 .........38 CMT 1
TD-1
2 .........39
TX-1
RD+1 4 .........37 RX+1
RD-1 5 .........36 RX-1
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
Port 3
Pin Name Pin# Pin# Pin Name
TD+3 11 ........30 TX+3
TCT 3 13 ........28 CMT 3
TD-3 12 ........29 TX-3
RD+3 14 ........27 RX+3
RD-3 15 ........26 RX-3
Port 2
Pin Name Pin# Pin# Pin Name
TD+2
7 ........31
TX+2
TCT 2 8 ........33
CMT 2
TD-2
6 ........32
TX-2
RD+2 10 .......34
RX+2
RX-2
9 ........35
RX-2
Port 4
Pin Name Pin# Pin# Pin Name
TD+4 17........21 TX+4
TCT 4 18........23 CMT 4
TD-4 16........22 TX-4
RD+4 20........24 RX+4
RD-4 19........25 RX-4
Port 2
Pin Name Pin# Pin# Pin Name
TD+2 10 .......31
TX+2
TCT 2 8 ........33
CMT 2
TD-2
9 ........32
TX-2
RD+2 7 ........34
RX+2
RX-2
6 ........35
RX-2
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG) 31-1, SHIEN PAN ROAD, KUEI SAN INDUSTRIAL ZONE, TAOYUAN SHIEN, TAIWAN, R.O.C.
TEL: 886-3-3626301; FAX: 886-3-3618901
www.deltaww.com/products/networking/
26
Port 4
Pin Name Pin# Pin# Pin Name
TD+4 20........21 TX+4
TCT 4 18........23 CMT 4
TD-4 19........22 TX-4
RD+4 17........24 RX+4
RD-4 16........25 RX-4
Free Datasheet http://www.Datasheet4U.com
5 Page |
Páginas | Total 5 Páginas | |
PDF Descargar | [ Datasheet LF8737.PDF ] |
Número de pieza | Descripción | Fabricantes |
LF8731 | FAST ETHERNET 10BASE-T/100BASE-TX TRANSFORMER MODULES | Delta |
LF8737 | FAST ETHERNET 10BASE-T/100BASE-TX TRANSFORMER MODULES | Delta |
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