T-31000 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – Voice & Data Coupling Transformers

Voice & Data Coupling Transformers
Impedance Matching Transformers for Telecommunications
Low Distortion
Frequency 300Hz to 3500Hz
May be used in V.32 applications
Designed to meet FCC part 68
Isolation is 1500 V_RMS min.
Custom Designs Available
Secondary load 600 Ω with DC in Pri.
Part
Number
Impedance
PRI. SEC.
(Ω) (Ω)
Turns
Ratio
+ 2%
DCI
max.
(mA)
Insertion
Loss ⁽¹⁾
(dB)
Return ⁽²⁾
Loss
(dB)
THD ⁽³⁾
(dB)
DCR
PRI.
(Ω)
DCR
SEC.
(Ω)
Frequency ⁽⁴⁾
Response Schematic
( + dB ) Style / Pkg
T-31000
600 600
1:1
80
T-31001
600 600 1:1.127
80
T-31002
600 600 1:1.127
80
T-31003
900 600 1:0.817
80
T-31004
900 600 1:0.817
80
T-31005
900 600 1:0.942
80
T-31006
900 600 1:0.942
80
T-31010
600 600
1:1
80
T-31011
600 600 1:1.125
80
T-31012
900 600 1:.0816
80
T-31013
900 600 1:0.946
80
T-31014
600 600
1:1
80
1.50
11.5
-65
55.0 65.0
0.5
A / 8-pin
1.00
14.5
-65
55.0 70.0
0.3
B / 8-pin
1.30
12.5
-53
67.0 76.0
0.5
B / 8-pin
1.55
11.0
-65
76.0 92.0
0.5
A / 8-pin
1.60
10.5
-53
76.0 92.0
0.5
A / 8-pin
1.20
12.5
-65
83.0
126
0.5
B / 8-pin
1.30
11.0
-53
83.0
126
0.5
B / 8-pin
1.20
13.0
-53
66.2 82.2
0.5
C / 12-pin
1.25
16.0
-59
76.0 86.0
0.5
D / 12-pin
1.50
9.5
-53
82.8 85.4
0.5
C / 12-pin
1.55
12.0
-53
90.0
110
0.5
D / 12-pin
1.20
13.0
-53
66.0 82.0
0.5
D / 12-pin
1. Insertion Loss measured at 1 KHz
2. Return Loss measured at 300 Hz
3. Total Harmonic Distortion measured at 0 dBm & 300 Hz
4. Frequency Response measured from 300 Hz to 3500 Hz
8-Pin Package ( T-31000 to T-31006 )
1.00
(25.4)
Schematic "A"
PRI SEC
2
7
Schematic "B"
PRI SEC
1
7
2
3
3
64
6
8
1
7
2
Bottom
View
6
3
5
4
.200
(5.08)
.750
(19.05)
TYP.
.250
(6.35)
3 PL.
1.69
(42.93)
MAX.
Dimensions in Inches (mm)
1.39
(35.30)
MAX.
.150
(3.81)
TYP.
.680
(17.27)
Unused Pins Omitted as per Schematic
12-Pin Package ( T-31010 to T-31014 )
Schematic "C"
PRI SEC
1
7
6
12
Schematic "D"
PRI SEC
1
7
3
4
6
12
7
1.00
(25.4)
12
1.20
(30.48)
MAX.
.125
(3.18)
TYP.
1
.200
(5.08)
3
.950
(24.13)
4
.400
(10.16)
6
.035
(0.89)
TYP.
1.41
(35.81)
MAX.
Specifications subject to change without notice.
Rhombus
Industries Inc.
.820
(20.83)
For other values & Custom Designs, contact factory.
.025
(0.63)
SQ.
.930
(23.62)
MAX.
VDC_A - 10/98
15801 Chemical Lane, Huntington Beach, CA 92649-1595
9
Tel: [phone] • Fax: [phone]