Multi-Purpose Voice & Data Coupling Transformers
Impedance matching transformers for
telecommunications.
Ideal for a variety of voice and data inter-
connect networks
Isolation is 1500 V
RMS
minimum
Longitudinal Balance is 60dB minimum
Frequency range: 300Hz to 3400Hz
Designed to meet FCC part 68
Custom Designs Available
Return
Loss
(2)
(dB)
26
26
26
26
26
26
26
20
20
20
20
20
Pri.
DCR max.
(
Ω
)
65
65
65
65
65
85
85
25
25
25
25
35
Sec.
DCR max.
(
Ω
)
85
85
85
105
105
105
105
35
35
35
40
40
Dry / Economy
Part
Number
T-30600
T-30601
T-30602
T-30603
T-30604
T-30605
T-30606
T-31300
T-31301
T-31302
T-31303
T-31304
Impedance
(Ohms)
600 / 600
600 / 600CT
600CT / 600CT
600 / 900
600 / 900CT
900 / 900
900 / 900CT
600 / 600
600 / 600CT
600CT / 600CT
600 / 900
900 / 900
Electrical Specifications at 25
O
C
UNBAL.
Insertion
Frequency
Response
DC
Loss
(1)
(mA)
(dB)
(dB)
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
1.0
1.0
Schem.
Style
A
B
C
A
B
A
B
A
B
C
A
A
Dry / High Performance
Part
Number
T-31350
T-31351
T-31352
T-31353
T-31354
Impedance
(Ohms)
600 / 600
600 / 600CT
600CT / 600CT
600 / 900
900 / 900
Electrical Specifications at 25
O
C
UNBAL.
Insertion
Frequency
Response
DC
Loss
(1)
(mA)
(dB)
(dB)
0.0
0.0
0.0
0.0
0.0
0.85
0.85
0.85
0.85
0.85
0.25
0.25
0.25
0.25
0.25
Return
Loss
(2)
(dB)
20
20
20
20
20
Pri.
DCR max.
(
Ω
)
25
25
25
25
30
Sec.
DCR max.
(
Ω
)
35
35
35
40
40
Schem.
Style
A
B
C
A
A
1. Insertion Loss measured at 1 KHz
2. Return Loss measured at 300 Hz
Schematic "A"
1
PRI
Schematic "B"
6
1
PRI
Schematic "C"
6
1
PRI
6
SEC.
SEC.
SEC.
5
3
4
2
3
5
4
3
4
T-3060X Package per Table Above
.580
(14.7)
Pins 020 x .027
(0.51 x 0.69)
1
2
3
4
5
T-313XX Package per Table Above
1.20
(30.5)
.780
(19.8)
10
9
8
7
6
.470
(11.9)
.150
(3.81)
TYP.
1.05
(26.7)
MAX.
.025
(0.64)
DIA.
.800
(20.32)
.200
(5.08)
TYP.
1.00
(25.4)
MAX.
.200
(5.08)
TYP.
.400
(10.16)
MAX.
1
2
6
5
4
Dimensions in Inches (mm)
Unused Pins Omitted as Per Schematic
Specifications subject to change without notice.
3
For other values & Custom Designs, contact factory.
COUPLN56 - 11/98
Rhombus
Industries Inc.
8
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960
•
Fax: (714) 896-0971
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