T1/CEPT/ISDN-PRI Interface Transformers ELECTRONICS INC. • Extended Operation Temperature: -40°C to +85°C • • Optimizied for Leading Transceiver I.C.’s • • Meets or exceeds UL1459, UL1950 & EN60950 Standards • • 1500 Vrms Isolation • • See Selection Guide for I.C. Cross Reference • Electrical Parameters @ 25° C Part Number Turns Ratio OCL (mH Min.) Cw/w (pF Max.) LI (µH Max.) Pri. DCR (Ω Max.) Sec. DCR (Ω Max.) Schematic EPR1011E EPR1012E EPR1013E EPR1014E EPR1015E EPR1016E 1:1.36 1:1.15CT 1CT:2CT 1CT:1CT 1CT:3CT 1:1/1.26 1.2 1.5 1.2 1.2 1.2 1.5 35 40 50 40 60 50 0.8 0.8 0.6 1.0 0.8 0.8 0.9 0.9 1.0 1.0 0.9 0.9 1.2 1.0 2.0 1.0 2.7 1.1 C D B A A D Schematic A B 1 2 C 2 1 D 5 1 1 2 3 4 4 3 6 2 3 6 5 6 6 5 5 Package 5 6 PCA 3 EPRXXXXE 4 D.C. 1 B Dimensions 2 A C E F G H F Dim. Min. A B C D E F G H I .480 .340 .230 --.075 --.395 .017 .120 (Inches) Max. Nom. .500 .360 .250 --.085 --.405 .023 .140 .490 .350 .240 .200 .080 .100 .400 .020 .130 Min. (millimeters) Max. Nom. 12.19 12.70 12.45 8.64 9.14 8.89 5.84 6.35 6.10 ----5.08 1.90 2.16 2.03 ----2.54 10.03 10.29 10.16 .432 .584 .508 3.05 3.56 3.30 D PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSR1011E - CSR1016E Rev. - 3/16/01 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