T3/DS3/E3/STS-1
Dual Input Transformers
8630-8632
• Models matched to leading transceiver ICs
• Return Loss requirements of G.703 exceed
• 1500 Vrms isolation per UL1459 and UL1950
• Extended operating temperature range of -40°C to +85°C
Mechanical and Schematic
(All dimensions in inches)
SUGGESTED PAD LAYOUT
SCHEMATIC 1
SCHEMATIC 2
SCHEMATIC 3
ELECTRICAL SPECIFICATION @ 25˚C
21/01/02 8630-8632
Part
Number
Turns Ratio
(±2%)
TX
RX
1:1
1:1
1:1
OCL Primary
@ 25˚C
(µH MIN)
TX
40
100
100
OCL Primary
@ -40˚C
(µH MIN)
TX
19
40
40
L
L
(µH MAX)
TX
.100
.110
.110
C
W/W
(pF MAX)
TX
10
10
10
Isolation
Voltage
(Vrms MIN)
1500
1500
1500
Schematic
Primary
Pins
TX
RX
6-8
16-15
16-15
RX
100
100
100
RX
40
40
40
RX
.110
.110
.110
RX
10
10
10
1
2
3
8630
8631
8632
1:2CT
1CT:1CT
1:2CT
16-14
6-8
7-8
ISSUE: B
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