For T1/ CEPT Telecom Applications
Designed to meet CCITT and FCC Requirements
1500 VRMS Minimum Isolation
T1 / CEPT / ISDN-PRI
SMD 12 Pin Dual Transformers
See other T1/ CEPT/ ISDN-PRI products in this Catalog
Refer to Table of Contents for a variety
of other T1/ CEPT/ ISDN-PRI products
Electrical Specifications 1, 2 at 25o C
Turns
Ratio
+ 5%
OCL
Min.
( mH )
CW/W
max.
( pF )
LL
max.
(µH)
DCR Pri.
max.
(Ω)
DCR Sec.
max.
Part
Number
Schem. Primary
(Ω)
Style
Pins
T-14400
T-14401
T-14402
T-14403
T-14404
T-14405
1CT:2CT & 1CT:2CT
1CT:2CT & 1:1.36CT
1:1.15CT & 1CT:2CT
1:1/1.26 & 1CT:2CT
1:2CT & 2:1
1.20 & 1.20
1.60 & 1.60
1.50 & 1.20
1.50 & 1.20
1.60 &1.60
1.20 & 1.20
1.20 & 1.20
1.20 & 1.20
1.50 & 1.50
1.20 & 1.20
0.80 & 0.80
1.20 & 1.20
1.20 & 1.20
1.20 & 1.20
1.20 & 1.20
1.20 & 1.20
1.20 & 1.20
1.50 & 1.20
1.50 & 1.20
1.50 & 1.50
50 & 50
60 & 50
60 & 50
50 & 60
55 & 40
50 & 50
50 & 50
50 & 50
60 & 60
50 & 50
30 & 30
60 & 60
31 & 31
32 & 37
40 & 35
30 & 30
35 & 35
40 & 40
40 & 30
45 & 45
0.80 & 0.80
1.00 & 0.80
0.80 & 0.80
0.80 & 0.80
1.30 & 1.30
0.80 & 0.80
0.80 & 0.80
0.80 & 0.80
0.80 & 0.80
0.80 & 0.80
0.80 & 0.80
0.80 & 0.80
.60 & .60
1.00 & 1.00
1.70 & 1.70
1.00 & 1.00
1.00 & 1.00
1.10 & 1.10
1.00 & 1.00
1.20 & 1.20
1.20 &1.20
1.00 & 1.00
1.20 & 1.20
1.00 & 1.20
1.20 & 1.20
0.70 & 0.70
0.70 & 0.70
0.70 & 0.70
0.70 & 0.70
0.70 & 0.70
0.70 & 0.70
0.70 & 0.70
0.80 & 0.80
1.70 & 1.70
2.00 & 1.70
1.00 & 1.70
1.10 & 1.70
1.10 & 0.70
1.00 & 1.00
1.40 & 1.40
1.20 & 1.80
1.10 & 1.00
1.40 & 1.40
1.00 & 1.20
2.10 & 2.10
1.20 & 1.20
1.20 & 0.90
1.20 & 0.90
1.20 & 0.70
0.90 & 1.20
0.90 & 1.20
1.10 & 0.70
1.00 & 1.00
A
12-10, 4-6
12-10, 4-6
12-10, 4-6
12-10, 4-6
1-3, 4-6
B
D
E
F
1CT:1CT & 1CT:1CT
A
1-3, 4-6
T-14406 1CT:1.15CT & 1CT:1.15CT
A
1-3, 4-6
T-14407
T-14408
1CT:1CT & 1CT:2CT
A
12-10, 4-6
12-10, 4-6
1-3, 4-6
1CT:1.15CT & 1CT:1CT
A
T-14409 1CT:1.36CT & 1CT:1.36CT
T-14410 1CT:1.41CT & 1CT:1.41CT
A
A
12-10, 9-7
12-10, 4-6
12-10, 4-6
12-10, 4-6
12-10, 4-6
1-3, 4-6
T-14411
T-14412
T-14413
T-14414
T-14415
T-14416
T-14417
T-14418
T-14419
1CT:2.3CT & 1CT:2CT
1CT:2CT & 1CT:2CT
1CT:2CT & 1:1.36CT
1:2CT & 1:1.14CT
1CT:2CT & 1:1
A
A
.55 & .80
B
.55 & .80
E
.55 & .80
C
D
E
1:1.15CT & 1CT:2CT
1:1/1.26 & 1:2CT
.60 & .60
12-10, 4-6
12-10, 4-6
12-10, 4-6
12-10, 9-7
.40 & .50
1CT:2CT & 1:1.08CT
1:1/1.26 & 1:1/1.26
.60 & .60
B
.40 & .40
G
1. ET-Product 10 V-µsec minimum.
2. OCL @ Pri., 100 mV & 100 kHz
Schematic"A"
Schematic"B"
Schematic"C"
Schematic"D"
Schematic"F"
Schematic"G"
Schematic"E"
PARTS SHIPPED IN
ANTI-STATIC TUBES
TAPE & REEL
AVAILABLE
Dimensionsin
inches(mm)
Unused Pins
Not Provided
For other values & Custom Designs, contact factory.
15801ChemicalLane,Huntington Beach,CA 92649-1595
Specifications subject to change without notice.
T1_SM12G- 4/99
Rhombus
Industries Inc.
8
•
Tel: (714) 898-0960 Fax: (714) 896-0971