T-30000 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – Low Cost Multi-Purpose Audio Transformers

Low Cost Multi-Purpose
Audio Transformers
Impedance matching transformers for
telecommunications.
Ideal for a variety of voice and data
interconnect 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
Electrical Specifications at 25^OC
Part
Number
T-30000
T-30001
T-30007
T-30002
T-30003
T-30004
T-30005
T-30050
T-30051
T-30057
T-30052
T-30053
T-30054
T-30055
Impedance
(Ohms)
600 / 600
600 / 600CT
600CT / 600CT
600 / 900
900 / 900
600 / 600
600 / 600CT
600 / 600
600 / 600CT
600CT / 600CT
600 / 900
900 / 900
600 / 600
600 / 600CT
1. Insertion Loss measured at 1 kHz.
2. Return Loss measured at 300 Hz.
UNBAL.
DC
(mA)
0.0
0.0
0.0
0.0
0.0
80
80
0.0
0.0
0.0
0.0
0.0
80
80
Insertion ⁽¹⁾
Loss
(dB)
1.25
1.25
1.25
1.25
1.25
2.0
2.0
0.4
0.4
0.4
0.5
0.5
2.0
2.0
Frequency
Response
(dB)
0.5
0.5
0.5
0.5
0.5
3.0
3.0
0.25
0.25
0.25
0.25
0.25
3.0
3.0
Return ⁽²⁾
Loss
(dB)
26
26
26
26
26
9.0
9.0
26
26
26
26
26
9.0
9.0
Pri.
DCR max.
(Ω)
30
30
30
30
40
65
65
13
13
13
13
19
57
57
Sec.
DCR max.
(Ω)
40
40
40
73
53
85
85
16
16
16
23
23
75
75
Schem.
Style
A
B
C
A
A
A
B
A
B
C
A
A
A
B
Schematic
"A"
1
6
PRI
SEC.
3
4
.785
(19.94)
.725
(18.42)
.620
(15.75)
Schematic
"B"
1
6
PRI
SEC.
5
3
4
Schematic
"C"
1
6
PRI
2
SEC.
5
3
4
.042
(1.07)
TYP.
.187
(4.75)
TYP.
.187
(4.75)
TYP.
.016
(0.41)
.420
(10.67)
1
2
3
Bottom View
6
5
4
Dimensions in Inches (mm)
Unused Pins Omitted
as Per Schematic
Specifications subject to change without notice.
Rhombus
Industries Inc.
For other values & Custom Designs, contact factory.
LC-AUDIO - 11/98
15801 Chemical Lane, Huntington Beach, CA 92649-1595
11
Tel: [phone] • Fax: [phone]