T1/CEPT/ISDN-PRI Carrier Interface Transformers ELECTRONICS INC. EPA1064-EPA1070 • Isolation at PBX and Terminals • Single Package Configuration • 1500 Vrms Isolation Electrical Parameters @ 25° C PCA Part Number OCL (mH Min.) EPA1064 EPA1065 EPA1066 EPA1067 EPA1068 EPA1069 EPA1070 1.20 2.00 1.20 1.20 1.20 1.20 2.00 Interwinding Capacitance (pF Max.) 25 40 25 25 35 30 30 Schematic A Turns Ratio (± 5%) Leakage Inductance (µH Max.) 0.50 0.50 0.50 0.80 0.80 0.55 1.50 DCR (Ω Max.) 1:1:1 1:1:1 1:1 1CT:1 1:1.36 1CT:2CT 2CT:1CT Schematic B 0.70 0.70 0.70 0.70 0.70 0.70 0.70 Schematic 0.70 & 0.70 0.70 0.70 0.70 0.80 1.20 0.40 Schematic C B B A D A C C Schematic D 1 1 2 5 2 6 1 2 1 3 4 3 5 6 5 2 5 3 6 6 4 Package 5 6 1• PCA EPA10XX D.C. .350 (8.89) •2 .490 (12.45) .075/.085 (1.90/2.16) .240 (6.10) .100 (2.54) .017/.023 (.412/.584) .200 (5.08) .395/.405 (10.03/10.29) 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. CSA1064-CSA1070 Rev. 2 7/21/03 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com