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T-30400 Datasheet, PDF (1/3 Pages) Rhombus Industries Inc. – Self-Shielded Audio Transformers
Self-Shielded
Audio Transformers
Using EP Geometry cores,
these transformers provide
excellent shielding.
Isolation is 1500 Vrms minimum
Longitudinal Balance is 60dB min.
Electrical Specifications at 25OC
Thru-hole
EP7 Style
Impedance
Part Number (Ohms)
UNBAL. Insertion Frequency
DC
Loss Response
(mA) (dB) (1)
(dB)
T-30400
600 / 600
0.0
0.7
0.50
Electrical Specifications at 25OC
Thru-hole
EP10 Style Impedance
Part Number (Ohms)
UNBAL. Insertion Frequency
DC
Loss Response
(mA) (dB) (1)
(dB)
T-30401
600 / 600
0.0
0.9
0.50
Return
Loss
(dB) (2)
18
Return
Loss
(dB) (2)
21
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
31
39
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
34
43
Frequency range: 300Hz to 3400Hz
.465
(11.81)
MAX.
EP7 Style
Thru-hole
.375
(9.53)
MAX.
.394
(10.00)
MAX.
Electrical Specifications at 25OC
Thru-hole
EP13 Style
Part Number
Impedance
(Ohms)
UNBAL. Insertion Frequency Return
DC
Loss Response Loss
(mA) (dB) (1)
(dB)
(dB) (2)
T-30402
600 / 600
0.0
1.0
0.25
26
T-30403
900 / 900
0.0
1.0
0.25
26
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
36
47
44
58
1. Insertion Loss measured at 1 kHz.
2. Return Loss measured at 300 Hz.
.110
(2.79)
MIN.
T-30400
Schematic
1
4
T-30401
Schematic
1
5
T-30402 & 30403
Schematic
2
7
.098 .024
(2.49) (0.61)
654
Bottom
View
.080
(2.03)
.039
(0.99)
PRI
3
SEC.
6
PRI
4
SEC.
8
PRI
4
SEC.
9
123
Dimensions in Inches (mm)
.480
(12.19)
MAX.
EP10 Style
Thru-hole
.460
(11.68)
MAX.
.450
(11.43)
MAX.
.550
(13.97)
MAX.
EP13 Style
Thru-hole
.525
(13.34)
MAX.
.536
(13.61)
MAX.
.100
(2.54)
TYP.
.210
(5.33)
TYP.
.300
(7.62)
TYP.
Pin Diameter is 0.025 (0.64)
87 6 5
Bottom
View
1234
.100
(2.54)
TYP.
10 9 8 7 6
Bottom
View
1234 5
.210
(5.33)
TYP.
.400
(10.16)
TYP.
Pin Diameter is 0.025 (0.64)
Specifications subject to change without notice.
Rhombus
Industries Inc.
For other values & Custom Designs, contact factory.
EP - 10/98
15801 Chemical Lane, Huntington Beach, CA 92649-1595
15
Tel: (714) 898-0960 • Fax: (714) 896-0971