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 ISDN-S Interface Transformers
ELECTRONICS INC.
* 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 *
Electrical Parameters @ 25 C
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 Cw/w (pF Max.) 110 100 100 100 LI (H Max.) 5.0 8.0 8.0 12 Pri. DCR ( Max.) 2.5 2.5 2.5 2.5 Sec. DCR ( Max.) 2.5 5.0 4.5 6.0 Package & Schematic A A B B
Schematic
A
1 2 3 6 1 5 2 4 3 5 4 6
B
7
Package A
A
1 6 5 4
Package B
A
1
PCA EPR12XX D.C.
2 3
B
PCA EPR12XX D.C.
2 3
7 6 5 4
B
Dimensions
C K G H J D F J E C K G H F J D E
Dim. Min. (Inches) Max. Nom. Min. (millimeters) Max. Nom.
A B C D E F G H J K
.540 .540 .380 --.025 --.395 .017 --.115
.560 .560 .400 --.035 --.405 .023 --.125
.550 .550 .390 .400 .030 .100 .400 .020 .200 .120
13.72 13.72 9.65 --.635 --10.03 .432 --2.92
14.22 14.22 10.16 --.889 --10.29 .584 --3.18
13.97 13.97 9.91 10.16 .762 2.54 10.16 .508 5.08 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: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com


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