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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 & EN60950 Standards * * 2000 Vrms Isolation * * See Selection Guide for I.C. Cross Reference * Electrical Parameters @ 25 C Part Number EPR1226 EPR1227 EPR1228 EPR1229 Turns Ratio 1:1 / 1:1 1:1 / 1:2 1:2 / 1:2 1:2.5 / 1:2.5 OCL (mH Min.) 22 22 22 22 Cw/w (pF Max.) 100 100 100 100 LI (H Max.) 5 15 15 30 Pri. CD (pf Max.) 42 160 80 150 Pri. DCR ( Max.) 2.4 2.5 2.5 2.5 Sec. DCR ( Max.) 2.4 4.2 4.3 5.8 Schematic A A B B Schematic A Pri. 1 2 3 4 Sec. 16 15 14 13 Pri. 5 6 7 8 B Sec. 12 11 10 9 Package A PCA EPR12XX Date Code Pin 1 I.D. B Dimensions C E D G Dim. Min. (Inches) Max. Nom. Min. (millimeters) Max. Nom. A B C D E F G H .900 .540 .380 --.110 --.395 .024 .920 .560 .400 --.150 --.405 .027 .910 .550 .390 .700 .130 .100 .400 .025 22.86 13.72 9.65 --2.79 --10.03 .610 23.37 14.22 10.16 --3.81 --10.29 .686 23.11 13.97 9.91 17.78 3.30 2.54 10.16 .635 H F PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSR1226 - CSR1229 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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