ISDN U Interface Transformers ELECTRONICS INC. EPR1102-EPR1106 • Optimized for Leading Transceiver I.C.’s • 2000 Vrms Min. Isolation • Also available in 8 Pin Package • Meets or exceeds UL1459 & UL1950 Standards Electrical Parameters @ 25°C Part Number EPR1102 EPR1103 EPR1104 EPR1105 EPR1106* Turns Ratio Line:Chip OCL† (mH Min.) Sec. DCR (Ω Max.) Pri. DCR (Ω Max.) IDC (mA Max.) Line Side Pins Schematic 6.4 25.5-28.5 11.6 2:1 1-5 60 A 2.5 14.2-15.8 16 1.5:1 4-2 60 B 3 25.6-29.0 20 1.5:1 4-2 60 B 3 25.6-29.0 20 1.5:1 1-5 60 A 7 26.5-29.5 12 1.25:1 1-5 80 A • *Operating Temperature Range : -40°C to +80°C • †Line Side : Line Side at series condition • Schematics A 1 8 No No Yes Yes Yes B Chip Side 9 Pin 6 Removed Chip Side 7 7 2 4 5 Line Side 5 8 9 2 4 1 Line Side Package .600 (15.24) 10 6 PCA EPR11XX 1.050 Max. (26.67) D.C. Pin 1 I.D. 1 5 .950 Max. (24.13) .450 Max. (11.43) .170 ± .040 (4.32 ± 1.02) .800 (20.32) .042 (1.07) .150 (3.81) 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. CSR1102-CSR1106 Rev. 4 7/8/03 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com