FILTRAN 8025

Extended Temperature Range
SMD Single Transformers
T1/E1
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
DALLAS
EXAR
INFINEON
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
MECHANICAL AND SCHEMATIC
RECEIVE
8021
8021
8025
8021
8020
8021
8020
8020
8020
8021
8021
8021
8020
8020
8028
8020
8023
IC MFG.
LEVEL ONE
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
(All dimensions in inches)
0.320 typ.
Schematic
SUGGESTED PAD LAYOUT
.250
0.280 max.
80XX
FD/C
0.375
0.385
1
6
2
5
3
4
0.064
0.200
0.051
0.100
0.200 max.
0∞ - 6∞
0.100
0.018
0.006/0.015
ISSUE: B 08/08/01
8020-8028
ELECTRICAL SPECIFICATION @ 25˚C
Part no.
Turns Ratio
Pri:Sec
OCL
(Pin 1-3)
(mH typ.)
Interwinding
Capacitance
(pF Max.)
Isolation Voltage
(Vrms)
8020
1CT:1CT
1.5
35
1500
Leakage Inductance
(uH Max.)
0.5
8021
1CT:2CT
1.5
35
1500
0.5
0.80
8022
1CT:1/1.266
1.5
35
1500
0.5
0.70
8023
1CT:2.42CT
1.5
35
1500
0.5
0.80
8024
1CT:1.14CT
1.5
35
1500
0.5
0.80
8025
1CT:1.15CT
1.5
35
1500
0.5
0.80
8026
1CT:1.36CT
1.5
35
1500
0.5
0.80
8027
1CT:2.3CT
1.5
35
1500
0.5
0.80
8028
1CT:1.41CT
1.5
35
1500
0.5
0.80
DCR PIN (1-3)
(ohm Max)
0.80
Exceeds UL 1950, IEC950 and EN60950.
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