Rhombus L-31111 Ee style low profile surface mount inductor Datasheet

Self-Shielded
Audio Transformers
Using EP Geometry cores,
these transformers provide
excellent shielding.
Electrical Specifications at 25OC
Thru-hole
EP7 Style
Part Number
T-30400
Impedance
(Ohms)
UNBAL. Insertion Frequency
Response
DC
Loss
(dB)
(mA)
(dB) (1)
600 / 600
0.0
0.7
Return
Loss
(dB) (2)
0.50
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
18
31
39
Electrical Specifications at 25OC
Thru-hole
EP10 Style
Part Number
Isolation is 1500 Vrms minimum
Longitudinal Balance is 60dB min.
T-30401
Impedance
(Ohms)
UNBAL. Insertion Frequency
Response
DC
Loss
(dB)
(mA)
(dB) (1)
600 / 600
0.0
0.9
Return
Loss
(dB) (2)
0.50
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
21
34
43
Frequency range: 300Hz to 3400Hz
Electrical Specifications at 25OC
Thru-hole
EP13 Style
Part Number
.375
(9.53)
MAX.
.465
(11.81)
MAX.
EP7 Style
Thru-hole
UNBAL. Insertion Frequency
Response
DC
Loss
(dB)
(mA)
(dB) (1)
600 / 600
0.0
1.0
0.25
26
36
47
T-30403
900 / 900
0.0
1.0
0.25
26
44
58
T-30400
Schematic
T-30401
Schematic
1
4
PRI
5
1
SEC.
T-30402 & 30403
Schematic
5
PRI
2
SEC.
7
PRI
SEC.
.039
(0.99)
6
3
6
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
T-30402
.110
(2.79)
MIN.
.080
(2.03)
Return
Loss
(dB) (2)
1. Insertion Loss measured at 1 kHz.
2. Return Loss measured at 300 Hz.
.394
(10.00)
MAX.
.098
.024
(2.49) (0.61)
Impedance
(Ohms)
8
4
4
9
4
Bottom
View
1
2
3
Dimensions in Inches (mm)
.480
(12.19)
MAX.
.450
(11.43)
MAX.
EP10 Style
Thru-hole
.550
(13.97)
MAX.
.536
(13.61)
MAX.
EP13 Style
Thru-hole
.460
(11.68)
MAX.
.525
(13.34)
MAX.
.210
(5.33)
TYP.
.100
(2.54)
TYP.
.210
(5.33)
TYP.
.300
(7.62)
TYP.
.100
(2.54)
TYP.
Pin Diameter is 0.025 (0.64)
10
8
7
6
9
2
3
7
Pin Diameter is 0.025 (0.64)
6
5
Bottom
View
Bottom
View
1
8
.400
(10.16)
TYP.
4
Specifications subject to change without notice.
Rhombus
Industries Inc.
1
2
3
4
5
For other values & Custom Designs, contact factory.
15
EP - 10/98
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960 • Fax: (714) 896-0971
Self-Shielded
Audio Transformers
Using EP Geometry cores,
these transformers provide
excellent shielding.
Electrical Specifications at 25OC
Surface Mount
Impedance
EP7 Style
(Ohms)
Part Number
T-30400G
UNBAL. Insertion Frequency
Response
DC
Loss
(dB)
(mA)
(dB) (1)
600 / 600
0.0
0.7
Return
Loss
(dB) (2)
0.50
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
18
31
39
Electrical Specifications at 25OC
Surface Mount
Impedance
EP10 Style
(Ohms)
Part Number
Isolation is 1500 Vrms minimum
Longitudinal Balance is 60dB min.
T-30401G
UNBAL. Insertion Frequency
Response
DC
Loss
(dB)
(mA)
(dB) (1)
600 / 600
0.0
0.9
Return
Loss
(dB) (2)
0.50
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
21
34
43
Frequency range: 300Hz to 3400Hz
Electrical Specifications at 25OC
Surface Mount
Impedance
EP13 Style
(Ohms)
Part Number
Dimensions
in Inches (mm)
.370
(9.40)
MAX.
600 / 600
0.0
1.0
0.25
26
36
47
900 / 900
0.0
1.0
0.25
26
44
58
1. Insertion Loss measured at 1 kHz.
2. Return Loss measured at 300 Hz.
T-30400G
Schematic
.375
(9.53)
MAX.
.413
(10.5)
.025
(0.64)
6
2
SEC.
7
PRI
8
4
.522
(13.26)
MAX.
EP10 Style
Surface Mount
EP13 Style
Surface Mount
.525
(13.34)
4
PRI
.492
(12.5)
.465 MAX.
(11.8)
MAX.
.098
(2.50)
.575 (14.6)
.567 (14.4)
Suggested
Pad Layout
5
SEC.
4
9
.505 (12.83)
.490 (12.45)
.469
(11.9)
MAX.
5
T-30402 & 30403G
Schematic
1
SEC.
3
.432
(10.97)
MAX.
EP7 SM
4
PRI
.34
(8.6)
6
T-30401G
Schematic
1
.028
(0.70)
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
T-30403G
.025
(0.64)
.098
(2.50)
Return
Loss
(dB) (2)
T-30402G
.375
(9.53)
MAX.
EP7 Style
Surface Mount
UNBAL. Insertion Frequency
Response
DC
Loss
(dB)
(mA)
(dB) (1)
.028
(0.70)
.100
(2.54)
.532
(13.51)
MAX.
.028
(0.70)
.516
(13.1)
MAX.
.025
(0.64)
.675 (17.15)
.663 (16.85)
.594
(15.10)
1
.100
(2.54)
TYP.
2
3
.050
(1.27)
TYP.
.075
(1.905)
TYP.
Specifications subject to change without notice.
Rhombus
Industries Inc.
.516
(13.1)
.715
(18.15)
8
EP10 SM
1
7
Suggested
Pad Layout
2
6
.100
(2.54)
TYP.
4
9
8
3
5
10
.050
(1.27)
TYP.
For other values & Custom Designs, contact factory.
16
Suggested
Pad Layout
1
2
.100
(2.54)
TYP.
3
4
7
6
.100
(2.54)
TYP.
EP13 SM
.050
(1.27)
TYP.
5
.100
(2.54)
TYP.
EP - 10/98
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960 • Fax: (714) 896-0971
Self-Shielded Audio Transformers
Built with Ferrite EP Geometry cores, these
transformers provide excellent shielding.
T-30404 & 30405
Schematic
1
T-30406 & 30408
Schematic
5
2
T-30407 & 30409
Schematic
7
1
Isolation is 1500 Vrms minimum
PRI
Longitudinal Balance is 60dB minimum
SEC.
PRI
SEC.
2
Frequency range: 300Hz to 3400Hz
8
4
4
7
4
PRI
9
9
Custom Designs Available
SEC.
5
Electrical Specifications at 25OC
Thru-hole
EP17 Style
Part Number
Impedance
(Ohms)
UNBAL. Insertion Frequency
Response
DC
Loss
(dB)
(mA)
(dB) (1)
Return
Loss
(dB) (2)
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
T-30404
600 / 600
2.5
1.0
0.25
26
45
58
T-30405
900 / 900
2.5
1.0
0.25
26
55
71
Electrical Specifications at 25OC
Thru-hole
EP20 Style
Part Number
Impedance
(Ohms)
UNBAL. Insertion Frequency
Response
DC
Loss
(dB)
(mA)
(dB) (1)
Return
Loss
(dB) (2)
Pri.
Sec.
DCR max. DCR max.
(Ω )
(Ω )
T-30406
600 / 600
5.0
0.8
0.25
26
27
36
T-30407
600CT / 600
5.0
0.8
0.25
26
27
36
T-30408
600 / 900
5.0
0.8
0.25
26
27
44
T-30409
900CT / 600
5.0
0.8
0.25
26
33
36
1. Insertion Loss measured at 1 kHz.
2. Return Loss measured at 300 Hz.
Dimensions in Inches (mm)
.740
(18.80)
MAX.
.630
(16.00)
MAX.
EP17 Style
Thru-hole
.200
(5.08)
TYP.
.200
(5.08)
TYP.
8
7
6
5
2
3
.200
(5.08)
TYP.
.600
(15.24)
TYP.
.200
(5.08)
TYP.
Pin Diameter
is 0.025 (0.64)
10
9
Pin Diameter
is 0.025 (0.64)
8
7
6
4
5
.700
(17.78)
TYP.
Bottom
View
4
1
Specifications subject to change without notice.
Rhombus
Industries Inc.
.700
(17.78)
MAX.
EP20 Style
Thru-hole
Bottom
View
1
.860
(21.84)
MAX.
.975
(24.77)
MAX.
.680
(17.27)
MAX.
2
3
For other values & Custom Designs, contact factory.
17
EP - 10/98
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960 • Fax: (714) 896-0971
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