Miniature Multi-Purpose Audio 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
(dB)
26
26
26
20
20
Pri.
DCR max.
(
Ω
)
48
48
48
48
114
Sec.
DCR max.
(
Ω
)
65
65
65
94
146
Dry / High Performance
Part
Number
T-35200
T-35201
T-35202
T-35203
T-35204
Impedance
(Ohms)
600 / 600
600 / 600CT
600CT / 600CT
600 / 900
900 / 900
Electrical Specifications at 25
O
C
UNBAL.
Insertion
Frequency
DC
Loss
Response
(mA)
(dB)
(dB)
0.0
0.0
0.0
0.0
0.0
1.5
1.5
1.5
1.7
1.9
0.7
0.7
0.7
0.3
0.4
Schem.
Style
A
B
C
A
A
Dry / Economy
Part
Number
T-35250
T-35251
T-35252
T-35253
T-35254
Impedance
(Ohms)
600 / 600
600 / 600CT
600 / 900
900 / 900
600 / 600
Electrical Specifications at 25
O
C
UNBAL.
Insertion
Frequency
DC
Loss
Response
(mA)
(dB)
(dB)
0.0
0.0
0.0
0.0
80
80
1.5
1.5
1.6
1.6
2.5
2.5
1.2
1.2
1.2
1.2
1.25
1.25
Return
Loss
(dB)
26
26
20
20
9.0
9.0
Pri.
DCR max.
(
Ω
)
50
50
50
75
68
68
Sec.
DCR max.
(
Ω
)
55
55
95
95
85
85
Schem.
Style
A
B
A
A
A
B
T-35255
600 / 600CT
1. Insertion Loss measured at 1 kHz.
2. Return Loss measured at 300 Hz.
Schematic
"A"
1
PRI
6
SEC.
Dimensions in Inches (mm)
Unused Pins Omitted as Per Schematic
.515
(13.1)
.455
(11.6)
3
4
.500
(12.7)
Schematic
"B"
1
PRI
6
SEC.
5
3
4
.024
(0.61)
.100
(2.54)
TYP.
.187
(4.75)
TYP.
.024
(0.61)
.320
(8.13)
Schematic
"C"
1
PRI
6
5
4
6
SEC.
Bottom View
1
2
3
2
3
5
4
Specifications subject to change without notice.
For other values & Custom Designs, contact factory.
MINIAUD2 - 10/98
Rhombus
Industries Inc.
12
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960
•
Fax: (714) 896-0971
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