Telecommunication Components
ctparts.com
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T1/ CEPT/ ISDN-PRI
Dual Through-Hole
APPLICATIONS
l Dual surface mount package contains both transmit & receive.
l Models matched to leading transceiver ICs.
l UL 1459 Recognized
l Isolation Voltage: 1500 Vrms
Electrical Characteristics @ 25°C
ORDER INFO
Standard Temperature Range Dual Transformers
Operating Temperature 0°C to +70°C
Turns
Ratio
(pri:sec ± 5%)
OCL@ 25°C
(mH Min.)
Cw/w
(pF Max.)
LL sec
(µH Max.)
DCR pri
ΩΩ
DCR sec
ΩΩ
Package/
Schematic
Primary
Pins
Part Number
(
Max.)
(
Max.)
CT-64951
CT-64952
CT-64953
CT-64954
CT-64955
CT-64956
CT-64957
CT-65565
CT-65566
1:2CT & 1:2CT
1:2CT & 1:1.36
1:2CT & 1:2CT
1CT:2CT & 1:1
1.58:2CT & 1.58:1
1:1CT & 2:1
1.31:1CT & 2.62:1
1:1.15CT & 1:2CT
1:1/1.26 & 1:2CT
1.20 & 1.20
1.20 & 1.20
2.00 & 2.00
1.20 & 1.20
0.80 & 0.80
1.80 & 0.80
1.20 & 1.20
1.50 & 1.20
1.50 & 1.20
35 & 35
35 & 35
50 & 50
30 & 30
30 & 30
30 & 30
30 & 30
35 & 40
40 & 40
0.50 & 0.50
0.50 & 0.80
0.60 & 0.60
0.55 & 0.50
0.50 & 0.50
0.60 & 0.60
0.80 & 0.80
0.60 & 0.50
0.50 & 0.40
0.70 & 0.70
0.80 & 0.80
1.00 & 1.00
0.70 & 0.70
0.60 & 0.60
0.50 & 0.50
0.60 & 0.60
0.70 & 0.70
0.70 & 0.70
1.20 & 1.20
1.20 & 1.00
2.00 & 2.00
1.20 & 0.70
0.70 & 0.30
0.50 & 0.20
0.50 & 0.30
1.10 & 1.30
0.90 & 1.30
ND-1/1G
ND-1/2G
ND-1/3G
ND-1/4G
ND-1/5G
ND-1/5G
ND-1/5G
MD-1/1G
MD-1/1G
14-12, 5-7
14-12, 5-7
14-12, 10-8
1-3, 5-7
1-3, 5-7
1-3, 5-7
1-3, 5-7
14-12, 5-7
14-12, 5-7
Extended Temperature Range Dual Transformers
Operating Temperature -40°C to +85°C
Turns
Ratio
(pri:sec ± 5%)
OCL@ 25°C
(mH Min.)
Cw/w
(pF Max.)
LL sec
(µH Max.)
DCR pri
(ΩΩ Max.)
DCR sec
(ΩΩ Max.)
Package/
Schematic
Primary
Pins
Part Number
CT-65567
CT-65568
CT-65774
CT-68618
CT-64950
1:1.15CT & 1:2CT
1:1/1.26 & 1:2 CT
1CT:2CT & 1:1.36CT
1CT:1CT & 3CT:1CT:0.25
1CT:1CT & 1CT:3CT:1
1.50 & 1.20
1.50 & 1.20
1.20 & 1.20
1.20 & 32.0
1.20 & 1.20
40 & 60
50 & 60
50 & 50
40 & 65
40 & 40
0.80 & 0.80
0.80 & 0.80
0.96 & 0.80
0.80 & 0.80
0.80 & 0.80
0.90 & 0.90
0.90 & 0.90
1.00 & 1.00
1.00 & 3.00
1.00 & 0.80
1.10 & 1.70
1.10 & 1.70
1.70 & 1.20
1.00 & 1.20
1.00 & 2.00
MD-1/1G
MD-1/1G
MD-1/8G
QD-1/7G
QD-1/7G
14-12, 5-7
14-12, 5-7
14-12, 5-7
1-3, 11-9
1-3, 4-6
03.10.03
Manufacturer of Inductors, Chokes, Coils, Beads, Transformers & Toroids
800-684-5322 Inside US 949-453-1811 Outside US
Copyright © 2004 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
CEN TRAL