FILTRAN 6790

LAN
10/100 Base-T Single Port
Transformer Module
6790
• Provides excellent EMI filtering
• Designed for use with data grade unshielded twisted pair cable (UTP-5)
• Suitable for adapter card cable and multiport applications
• Meets IEEE 802.3 and ANSI X3.263 standards, including 350µH OCL
with 8mA DC bias
MECHANICAL AND SCHEMATIC
(All dimensions in inches)
SCHEMATIC
SUGGESTED PAD LAYOUT
1.000
.700
.100
6790
FD/C
.500
RD+ 1
7 RX+
CT 3
5 CT
RD- 2
6 RX-
TD+ 16
10 TX+
.400
.540
.080
12 CT
CT 14
.100
TD- 15
.018 TYP
11 TX-
1CT:1CT
.030
.268
.010±.002
.009±.003
.700±.005
0˚-8˚
.030±.004
UNLESS OTHERWISE SPECIFIED, ALL TOLERANCES ARE ±0.010
ISSUE: B
26/06/03
6790
ELECTRICAL SPECIFICATION @ 25˚C
Part
Number
6790
Insertion
Loss
(dB Max)
Differential to Common
Mode Rejection
(dB Min)
Return Loss
(dB Min @ 100Ω )
Crosstalk
(dB Typ)
Hipot
(Vrms)
0.1-100
MHz
1-30
MHz
40
MHz
50
MHz
60-80
MHz
30
MHz
60
MHz
100
MHz
30
MHz
60
MHz
100
MHz
-1.0
-18
-18
-16
-12
-50
-45
-40
-55
-50
-50
Turns Ratio @ 20 kHz, 0.5 V:
(1-2):(7-6)=1CT:1CT±2%
(15-16):(11-10)=1CT:1CT±2%
Inductance @ 100kHz, 100mV, 8mA:
350µH Min (15-16)
350µH Min (1-2)
1500
229 Colonnade Road, Ottawa, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com
An ISO 9001 Registered Company