ISDN U-Interface Transformer ELECTRONICS INC. EPA3488 • Applications with 2B1Q and 4B3T Coding • Electrical Parameters @ 25° C Operating Temperature Inductance (mH) Hipot (Vrms Min.) Ratio (± 3%) DCR (Ω Max.) Between Line Side and Chip Side Line Side 26.5 - 29.5 -40°C to +85°C 2500 1.25:1 IDC (mA) Line Side Chip Side 13 7.5 Package 80 Schematic A 10 6 1 PCA EPA3488 9 2 8 B 4 7 D.C. 1 5 5 C E Dimensions F Dim. A B C D E F D Min. ------.795 .160 .145 (Inches) Max. Nom. .950 1.050 .500 .805 .220 .155 . (millimeters) Min. Max. Nom. ------20.19 4.06 3.68 24.13 26.67 12.70 20.45 5.59 3.94 . Leads : .042 x .015 (Solderable) Pin number 6 removed for keying. Pin numbers for reference only. PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSA3488 Rev. - 6/9/98 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