T-30400 Datasheet, PDF (3/3 Pages) Rhombus Industries Inc. – Self-Shielded Audio Transformers

Self-Shielded Audio Transformers
Built with Ferrite EP Geometry cores, these
transformers provide excellent shielding.
Isolation is 1500 Vrms minimum
Longitudinal Balance is 60dB minimum
Frequency range: 300Hz to 3400Hz
Custom Designs Available
T-30404 & 30405
Schematic
1
5
PRI
SEC.
4
8
T-30406 & 30408
Schematic
2
7
PRI
SEC.
4
9
T-30407 & 30409
Schematic
1
4
PRI
2
7
SEC.
9
5
Electrical Specifications at 25^OC
Thru-hole
EP17 Style
Part Number
Impedance
(Ohms)
UNBAL. Insertion Frequency
DC
Loss Response
(mA) (dB) ⁽¹⁾
(dB)
T-30404
600 / 600
2.5
1.0
0.25
T-30405
900 / 900
2.5
1.0
0.25
Return
Loss
(dB) ⁽²⁾
26
26
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
45
58
55
71
Electrical Specifications at 25^OC
Thru-hole
EP20 Style
Part Number
Impedance
(Ohms)
UNBAL. Insertion Frequency
DC
Loss Response
(mA) (dB) ⁽¹⁾
(dB)
T-30406
600 / 600
5.0
0.8
0.25
T-30407 600CT / 600 5.0
0.8
0.25
T-30408
600 / 900
5.0
T-30409 900CT / 600 5.0
0.8
0.25
0.8
0.25
1. Insertion Loss measured at 1 kHz.
2. Return Loss measured at 300 Hz.
Return
Loss
(dB) ⁽²⁾
26
26
26
26
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
27
36
27
36
27
44
33
36
.740
(18.80)
MAX.
EP17 Style
Thru-hole
.630
(16.00)
MAX.
Dimensions in Inches (mm)
.680
(17.27)
MAX.
.975
(24.77)
MAX.
EP20 Style
Thru-hole
.700
(17.78)
MAX.
.860
(21.84)
MAX.
.200
(5.08)
TYP.
.200
(5.08)
TYP.
87
6
5
Bottom
View
1 234
Specifications subject to change without notice.
Rhombus
Industries Inc.
.600
(15.24)
TYP.
Pin Diameter
is 0.025 (0.64)
.200
(5.08)
TYP.
.200
(5.08)
TYP.
.700
(17.78)
Pin Diameter _TYP.
is 0.025 (0.64)
10 9 8 7 6
Bottom
View
12 345
For other values & Custom Designs, contact factory.
EP - 10/98
15801 Chemical Lane, Huntington Beach, CA 92649-1595
17
Tel: [phone] • Fax: [phone]