RHOMBUS-IND T

Single T1/CEPT
Transformers
A
B
E
F
C
D
(Small Footprint)
For T1/CEPT Telecom Applications
G
H
Designed to meet CCITT & FCC Requirements
1500 VRMS Minimum Isolation
Electrical Specifications
Thru-hole
Part
Number
T-14700
T-14701
T-14702
T-14703
T-14704
T-14705
T-14706
T-14707
T-14708
T-14709
T-14710
T-14711
T-14712
T-14713
T-14714
T-14715
T-14716
T-14717
T-14718
T-14719
T-14720
T-14721
T-14722
T-14723
T-14724
T-14725
T-14726
T-14725
T-14726
T-14727
T-14728
T-14729
1
at 25OC
SMD
Part
Number
T-14700G
T-14701G
T-14702G
T-14703G
T-14704G
T-14705G
T-14706G
T-14707G
T-14708G
T-14709G
T-14710G
T-14711G
T-14712G
T-14713G
T-14714G
T-14715G
T-14716G
T-14717G
T-14718G
T-14719G
T-14720G
T-14721G
T-14722G
T-14723G
T-14724G
T-14725G
T-14726G
T-14725G
T-14726G
T-14727G
T-14728G
T-14729G
Turns
Ratio
(+5%)
1:1:1
1:1:1
1CT:3CT
1:1
1:1CT
1CT:1
1:1.26CT
1CT:2CT
2CT:1CT
2.53CT:1
1:1.36
1:1:1
1:2CT
1:2CT
1:4CT
1:1.14CT
1:0.575:0.575
1:1 / 1.26 (2)
1:0.5:0.5
1:0.633:0.633
1:2.3CT
1:1.36CT
1CT:1CT
1:1.15CT
1CT:2CT
1:1
1.37:1
1CT:1
1:1.36
1CT:2CT
1:1.15CT
1:1:1.266
OCL
min.
( mH )
PRI-SEC
CW/W max.
( pF )
1.2
2.0
1.2
1.2
0.06
1.2
0.06
1.2
2.0
2.0
1.5
1.2
1.2
2.0
0.5
1.5
1.5
1.5
1.5
1.5
1.2
1.5
1.2
1.2
1.2
1.2
1.2
1.2
1.5
1.5
1.2
1.5
50
40
50
30
23
25
25
30
45
25
40
50
50
45
40
40
25
35
25
20
50
40
50
50
50
30
40
50
50
35
50
45
1. OCL Measured across Primary @ 100 kHz & 20mV
2. T-10717: Sec. = Pins 3-5 for 75Ω, Sec. = Pins 1-5 for 120Ω.
Leakage
LL max.
( µH )
0.5
0.5
0.5
0.5
.75
0.8
0.75
0.55
0.6
1.5
0.5
0.5
0.5
0.8
1.0
0.5
0.8
0.4
1.2
1.1
0.8
0.5
0.8
0.5
0.8
0.5
0.5
0.8
0.5
0.8
0.5
0.4
Pri. DCR
max.
(Ω )
0.8
0.7
0.7
0.7
0.6
0.7
0.6
0.7
1.0
1.0
0.7
0.8
1
2
0.5
0.7
0.7
0.7
0.7
0.7
0.8
0.7
0.8
0.8
0.8
0.7
0.8
0.8
0.7
0.7
0.8
0.7
Sec. DCR
max.
(Ω )
0.8
0.7
1.6
0.7
0.6
0.7
0.6
1.1
0.7
0.7
1.0
0.8
1.4
2.4
1.5
0.9
0.5
0.9
0.5
0.5
1.8
1.0
0.8
0.8
1.8
0.7
0.7
0.8
0.9
1.4
0.8
0.9
Schem.
Style
A
A
C
B
E
E
E
C
C
E
B
A
E
E
D
D
A
E
A
A
D
D
C
E
C
F
F
H
F
G
H
A
Primary
Pins
1-5
2-6
1-5
2-6
1-5
1-5
1-5
5-6
2-6
2-6
1-5
1-5
5-6
2-6 (3)
5-6
5-6
1-5
1-5
2-6
2-6
1-5
1-5
1-5
1-5
2-6
1-2
Physical Dimensions
inches (mm)
Thru-hole
Package for
T-147XX
SMD
Package for
T-147XXG
Specifications subject to change without notice.
Rhombus
Industries Inc.
For other values & Custom Designs, contact factory.
5
T1-D3 - 9/97
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960 • Fax: (714) 896-0971