EPR1201 Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – ISDN-S Interface Transformers

ELECTRONICS INC.
ISDN-S Interface Transformers
• Optimizied for Leading Transceiver I.C.’s •
• Meets CCITT 1.430 Four Wire “S” Interface •
• Meets or exceeds UL1459 & UL1950 Standards •
• 2000 Vrms Isolation •
• See Selection Guide for I.C. Cross Reference •
Part
Number
EPR1201
EPR1202
EPR1203
EPR1204
Turns
Ratio
1CT:1CT
1CT:2CT
1CT:1.8CT
1CT:2.5CT
OCL
(mH Min.)
22
22
22
22
1
2
3
Electrical Parameters @ 25° C
Cw/w
(pF Max.)
LI
(µH Max.)
Pri. DCR
(Ω Max.)
110
5.0
2.5
100
8.0
2.5
100
8.0
2.5
100
12
2.5
Schematic
A
B
6
7
1
5
6
2
4
5
3
4
Sec. DCR
(Ω Max.)
2.5
5.0
4.5
6.0
Package &
Schematic
A
A
B
B
Package A
A
1
PCA
EPR12XX ²
D.C.
3
6
5B
4
C
E
K
G
H
J
D
Package B
A
1
PCA
EPR12XX ²
D.C.
3
7
6
B
5
4
C
E
K
G
H
F
J
JD
F
Dimensions
(Inches)
(millimeters)
Dim. Min. Max. Nom. Min. Max. Nom.
A .540 .560 .550 13.72 14.22 13.97
B .540 .560 .550 13.72 14.22 13.97
C .380 .400 .390 9.65 10.16 9.91
D --- --- .400 --- --- 10.16
E .025 .035 .030 .635 .889 .762
F --- --- .100 --- --- 2.54
G .395 .405 .400 10.03 10.29 10.16
H .017 .023 .020 .432 .584 .508
J --- --- .200 --- --- 5.08
K .115 .125 .120 2.92 3.18 3.05
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSR1201 - CSR1204 Rev. - 3/12/99
Product performance is limited to specified parameters. Data is subject to change without prior notice.
TEL: [phone]
FAX: [phone]
http://www.pca.com