T-33000 Datasheet, PDF (2/2 Pages) Rhombus Industries Inc. – Modem Coupling & Voiceband Transformers

Modem Coupling &
Voiceband Transformers
Low Distortion
Low Profile /SMD Versions
Most Parts Listed are Suitable
for V.32 Applications
Electrical Specifications at 25^OC
Parameter
Impedance
R Load
Turns Ratio
PRI.
SEC.
+ 2%
T-31103
600
365
1:1
T-531
600
470
1:1
Units
Ω
Ω
Schematic
"B"
1
10
Direct Current in Pri. (DCI)
maximum
0
0
mA
PRI
SEC.
DC Resistance
PRI.
118 + 10%
68 max.
Ω
SEC.
118 + 10%
102 max.
Ω
5
6
Insertion Loss
Return Loss
Longitudinal Balance
Frequency Response
max., ref. 1 kHz
2.15
1.2
dB
min., 300 Hz to 3.5 kHz
25
30
dB
minimum
60
60
dB
200Hz - 1kHz 200Hz - 4kHz
300 Hz to 3.5 kHz
+0.25
+0.25
dB
Schematic
"D"
1
6
PRI
SEC.
2
5
Isolation
Schematic Style
minimum
1100
1100
V_RMS
3
4
B
D
Package for T-31103
.100
(2.5)
.606
(15.4)
.290
(7.37) .012
(0.30)
.028
(0.7)
.630
(16.0)
.575
(14.6)
Footprint Contact
Surface Area,
Not PCB Pad Layout
.028
(0.7)
TYP.
.100
(2.5)
TYP.
.032
(0.8)
TYP.
.465
(11.81)
MAX.
.375
(9.53)
MAX.
Dimensions in Inches (mm)
EP7 Style
Thru-hole
.394
(10.00)
MAX.
.098 _.024
(2.49) _(0.61)
654
Bottom
View
.110
(2.79)
MIN.
.080
(2.03)
.039
(0.99)
Package
for T-531
Package for T-531SM
.370
(9.40)
MAX.
.375
(9.53)
MAX.
EP7 Style
Surface Mount
.375
(9.53)
MAX.
.025
(0.64)
.098 .028
(2.50) (0.70)
.34
(8.6)
.505 (12.83)
.490 (12.45)
123
Specifications subject to change without notice.
Rhombus
Industries Inc.
For other values & Custom Designs, contact factory.
COUPLING - 9/98
15801 Chemical Lane, Huntington Beach, CA 92649-1595
5
Tel: [phone] • Fax: [phone]