T1/CEPT/ISDN-PRI TRANSFORMERS
Dual Surface Mount, 1500Vrms, Extended
and Standard Temperature Range
Dual SMT package contains both transmit and receive transformers
Models matched to leading transceiver ICs
Isolation voltage: 1500Vrms
UL recognized
RoHS compliant versions available
Electrical Specifications @ 25°C
Turns Ratio B
(Pri:Sec ± 2%)
Part Number
OCL @ 25°C
(mH MIN)
LL
(µH MAX)
CW/W
(pF MAX)
DCR Pri
(Ω MAX)
DCR Sec
(Ω MAX)
Package/
Schematic
Primary
Pins
EXTENDED TEMPERATURE RANGE MODELS1 – OPERATING TEMPERATURE -40°C TO +85°C
PE-68841
1CT:2CT & 1CT:2CT
1.20 & 1.20
0.80 & 0.80
50 & 50
1.00 & 1.00 1.70 & 1.70
AN/2
12-10, 4-6
PE-68822
1CT:2CT & 1:1.36CT
1.60 & 1.60
1.00 & 0.80
60 & 55
1.70 & 1.70 2.00 & 1.70
AN/1
12-10, 4-6
PE-68825
1:1.15CT & 1CT:2CT
1.60 & 1.60
0.80 & 0.80
60 & 50
1.00 & 1.00 1.20 & 2.00
AN/4
12-10, 4-6
PE-68826 E
1:1/1.26 & 1:2CT
1.20 & 1.20
0.80 & 0.80
50 & 60
1.00 & 1.00 1.10 & 1.70
AN/5
12-10, 4-6
PE-68827
1:1CT & 2:1
1.60 & 1.60
1.30 & 1.30
55 & 40
1.10 & 1.10 1.10 & 0.70
AN/6
1-3, 4-6
PE-68828
1CT:1CT & 1CT:1CT
1.20 & 1.20
0.80 & 0.80
50 & 50
1.00 & 1.00 1.00 & 1.00
AN/2
1-3, 4-6
PE-68874
1CT:1.15CT & 1CT:1.15CT
1.20 & 1.20
0.80 & 0.80
50 & 50
1.20 & 1.20 1.40 & 1.40
AN/2
1-3, 4-6
PE-68877
1CT:1CT & 1CT:2CT
1.20 & 1.20
0.80 & 0.80
50 & 50
1.00 & 1.00 1.00 & 1.80
AN/2
1-3, 4-6
PE-68882
1CT:1.15CT & 1CT:1CT
1.60 & 1.60
0.80 & 0.80
60 & 60
1.20 & 1.20 1.40 & 1.20
AN/2
12-10, 4-6
PE-68884
1CT:1.36CT & 1CT:1.36CT
1.20 & 1.20
0.80 & 0.80
50 & 50
1.20 & 1.20 1.40 & 1.40
AN/2
1-3, 4-6
PE-68887
1CT:1.41CT & 1CT:1.41CT
1.20 & 1.20
0.80 & 0.80
50 & 50
1.40 & 1.40 1.20 & 1.20
AN/2
12-10, 9-7
PE-68881
1CT:2.3CT & 1CT:2CT
1.20 & 1.20
0.80 & 0.80
60 & 50
1.20 & 1.20 2.10 & 2.10
AN/2
10-12, 4-6
TX1277
1CT:1CT & 1CT:2CT
1.20 & 1.20
0.80 & 0.80
50 & 50
1.00 & 1.00 1.00 & 1.80
AN/2
1-3, 4-6
STANDARD TEMPERATURE RANGE MODELS – OPERATING TEMPERATURE 0°C TO +70°C
T1131 I
1CT:1 & 1:1.36CT
0.70 & 0.70
0.70 & 0.70
20 & 20
0.25 & 0.50 0.80 & 0.40
AN/7
1-3, 9-7
PE-68861
1CT:2CT & 1CT:2CT
1.20 & 1.20
0.60 & 0.60
35 & 35
0.70 & 0.70 1.20 & 1.20
AN/2
12-10, 4-6
PE-68862
1CT:2CT & 1:1.36CT
1.20 & 1.20
0.60 & 0.80
35 & 37
0.70 & 0.70 1.20 & 0.90
AN/1
12-10, 4-6
PE-68863
1:2CT & 1:1.14CT
1.20 & 1.20
0.55 & 0.80
40 & 35
0.70 & 0.70 1.20 & 0.90
AN/5
12-10, 4-6
PE-68864 A
1CT:2CT & 1:1
1.20 & 1.20 0.30-0.55 & 0.80 30 & 30
0.70 & 0.70 1.20 & 0.70
AN/3
1-3, 5-6
PE-68865
1:1.15CT & 1CT:2CT
1.50 & 1.20
0.80 & 0.60
35 & 35
0.70 & 0.70 0.90 & 1.20
AN/4
12-10, 4-6
PE-68866 E
1:1/1.26 & 1:2CT
1.50 & 1.20
0.40 & 0.50
40 & 40
0.70 & 0.70 0.90 & 1.20
AN/5
12-10, 4-6
PE-68869
1CT:2CT & 1:1.08CT
1.20 & 1.20
0.60 & 0.60
40 & 30
0.70 & 0.70 1.10 & 0.90
AN/1
12-10, 4-6
PE-68836 E
1:1/1.26 & 1:1/1.26
1.50 & 1.50
0.40 & 0 .40
45 & 45
0.80 & 0.80 1.00 & 1.00
AN/7
12-10, 9-7
Note: RoHS-6 compliant parts can be ordered by adding an “NL” suffix to the part number (i.e. PE-68841 becomes PE-68841NL). (See Pages 6 and 7 for Table Notes)
Mechanical
Schematics
AN
.120
3,05
.675
MAX
17,15
12X
12
.600
MAX
15,24
1
.085
2,16
2
12 11 10
9
1
8
4
7
3
12 11 10
9
8
7
1
4
5
12 11 10
6
8
7
1
5
6
.030
0,76
7
PE-XXXXX
DATE CODE
1
.050
TYP
1,27
.456
MAX
11,58
.640
16,26
.400
10,16
.500
12,70
2
3
6
4
6
12
2
3
5
10 9 8
7
12
6
1
10
2
3
6
9 8
7
7
12 11 10 9
7
6
1
6
1
10 9
12
7
.100
TYP
2,54
.100
2,54
SUGGESTED PAD LAYOUT
1
.340
MAX
8,64
.004/0,10 MAX
.010 / .020
0,25 / 0,51
2
3 4
5
2
3 4
3 4
2
3 4
5
6
0°-8°
Weight . . . . . . . . . . . . . .4.0 grams
Tape & Reel . . . . . . . . . . . .250/reel
Tube . . . . . . . . . . . . . . . . . .30/tube
.040 / .050
1,02 / 1,27
Dimensions: Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
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1
T608.S (4/08)