T1/E1
Extended Temperature Range
SMD Single Transformers
8020-8028
Meets the isolation and impedance matching requirements for T1, E1, CEPT and
PRI ISDN applications over a temperature range of -40°C to +85°C.
IC MFG.
CRYSTAL
PART NO.
61304A/61305A, 6135A/61577
61535A/6158A, 61574A/61575
61582/61583, 61584/61584A(5V)
61584/61584A (3.3)
61310/61318/61581
61881
DS2151/2/3/4
21352/21Q352, 21354/21Q354
21552/21Q552, 21554,21Q554
XRT5683A, T5894/T5897,
XRT5997/59L91
XRT5684/7288
XRT56L85
T5793/94
PEB22554
PEB22504 (3.3V)
PEB2256
TRANSMIT
8021
8022
8025
8021
8021
8025
8025
8021
8026
8021
8021
8026
8021
8022
8028
8023
8023
RECEIVE
8021
8021
8025
8021
8020
8021
8020
8020
8020
8021
8021
8021
8020
8020
8028
8020
8023
IC MFG.
LEVEL ONE
DALLAS
EXAR
INFINEON
PART NO.
TRANSMIT
LXT 300Z/301Z,332/334, 384/386/388 8021
LXT304A/305A
8022
LXT310/317/318
8021
LXT331/351/360
8027
LXT335
8026
LUCENT
T7288/T7290A
8026
T7289A
8025
T7690 (CEPT)
8026
T7689, T7690/T7698(DS1)
8024
T7693 (CEPT)
8023
T7688/T7690 (CEPT) T7698 (CEPT)
8026
PMC SIERRA
PM4314, PM4341/6341
8026
PM 4351
8023
VLSI
VP14Q574/575
8025
RECEIVE
8021
8021
8020
8020
8020
8021
8021
8026
8024
8023
8026
8021
8023
8021
MECHANICAL AND SCHEMATIC
0.320 typ.
(All dimensions in inches)
SUGGESTED PAD LAYOUT
.250
1
6
5
4
Schematic
0.280 max.
80XX
FD/C
0.200
0.375
0.385
2
3
0.064
0.051
0.100
0.200 max.
0.100
0.018
0∞ - 6∞
0.006/0.015
ELECTRICAL SPECIFICATION @ 25˚C
Part no.
8020
Turns Ratio
Pri:Sec
1CT:1CT
1CT:2CT
1CT:1/1.266
1CT:2.42CT
1CT:1.14CT
1CT:1.15CT
1CT:1.36CT
1CT:2.3CT
1CT:1.41CT
OCL
(Pin 1-3)
(mH typ.)
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
Interwinding
Capacitance
(pF Max.)
35
35
35
35
35
35
35
35
35
Isolation Voltage
(Vrms)
1500
1500
1500
1500
1500
1500
1500
1500
1500
Leakage Inductance
(uH Max.)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
DCR PIN (1-3)
(ohm Max)
0.80
0.80
0.70
0.80
0.80
0.80
0.80
0.80
0.80
8020-8028
8021
8022
8023
ISSUE: B 08/08/01
8024
8025
8026
8027
8028
Exceeds UL 1950, IEC950 and EN60950.
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