T-31104 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – Low Profile Modem Coupling and Voiceband Transformers

Low Profile Modem Coupling
and Voiceband Transformers
Low Distortion
Isolation is
1500V_RMS Min.
Designed to
meet FCC part 68
Frequency Range:
300Hz to 3500Hz
Low Profile Package
Custom Designs
Available
Schematic
"A"
PRI
SEC
1
7
Schematic
"B"
SEC
PRI
1
7
6
12 6
12
Electrical Specifications at 25^OC
Parameter
Impedance
R Load
Turns Ratio
Direct Current in Pri. (DCI)
DC Resistance
Insertion Loss
Return Loss
Longitudinal Balance
Frequency Response
Isolation
Schematic Style
PRI.
SEC.
maximum
PRI. + 10%
SEC. + 10%
max., ref. 1 kHz
min., @ 300 Hz
min., 200Hz to 4kHz
300 Hz to 3.5 kHz
minimum
T-31104
600
530
1:1
70
70
81
1.3
25
60
+ 0.2
1500
A
T-31105
600
600
1:1
60
75
80
2.0
20
60
+0.5
1500
B
T-31106
600
470
1:1
80
62.4
60.1
1.3
20
60
+ 1.0
1500
A
Units
Ω
Ω
mA
Ω
Ω
dB
dB
dB
dB
V_RMS
.150
(3.81)
TYP.
Dimensions in Inches (mm)
1.10
(27.94)
TYP.
7
1
Bottom
View
Pins .020 x .027
(0.51 x 0.69)
.200
(5.08)
.150
(3.81)
TYP.
1.30
(33.02)
MAX.
12
6
Specifications subject to change without notice.
Rhombus
Industries Inc.
1.45
(36.83)
MAX.
.200
(5.08)
TYP.
.520
(13.21)
TYP.
For other values & Custom Designs, contact factory.
COUPLNG2 11/98
15801 Chemical Lane, Huntington Beach, CA 92649-1595
6
Tel: [phone] • Fax: [phone]