T1/CEPT/ISDN-PRI Interface Transformers ELECTRONICS INC. EPR1001-EPR1010 • Opitmized for Leading Transceiver I.C.’s • Meets or exceeds UL1459, UL1950 and EN60950 Standards • 1500 Vrms Isolation 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 EPR1001 EPR1002 EPR1003 EPR1004 EPR1005 EPR1006 EPR1007 EPR1008 EPR1009 EPR1010 1CT:1 1:2CT 1:1.15 1:1,36CT 1:1.26 1:3CT 1:4CT 1CT:2CT 1:2.3CT 1:1.5CT 1.2 1.2 1.5 1.2 1.5 1.2 0.5 1.2 1.2 1.2 25 40 35 35 40 60 40 30 35 30 0.5 0.5 0.6 0.8 0.4 0.8 0.5 0.5 0.8 0.6 0.7 0.7 0.7 0.7 0.7 0.9 0.7 0.7 0.7 0.7 0.7 1.3 0.9 0.9 0.9 2.7 1.5 1.2 1.4 1.0 B B C D B D D A D B Schematics A 1 B 2 C 1 D 1 2 2 2 3 4 1 3 5 6 4 6 5 6 5 5 6 Package 5 3 1 6 PCA EPRXXXX 4 D.C. 2 .350 (8.89) .490 (12.45) 2.40 (6.10) .075/.085 (1.90/2.16) .100 (2.54) .400 (10.16) .100 (2.54) .017/.023 (.412/.584) .200 (5.08) Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 Product performance is limited to specified parameters. Data is subject to change without prior notice. CSR1001-CSR1010 Rev. 3 4/14/03 JDG TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com