ISDN S-Interface Transformer EPR1205G ELECTRONICS INC. • Matched to Leading Transceiver IC’s • • Compact SMT Molded Package • • Robust Construction allows for IR/VP Processes • • Operating Temperature Range : 0°C to 70°C • Electrical Parameters @ 25° C Primary OCL (mH Min.) Interwinding Capacitance (pF Max.) Leakage Inductance (µH Max.) Primary DCR (Ω Max.) Secondary DCR (Ω Max.) Isolation (Vrms) Pri. to Sec. Primary Pins 22 120 5 2.5 5.2 1500 1-10, 5-6 Schematic Pri. Sec. 1:2 ± 2% 1 4 10 5 7 6 Package A Dimensions J R Dim. Pin 1 I.D. PCA EPR1205G D.C. B Q D Pad Layout M A B C D E F G H I J K L M N P Q R P N E C H K F L I (Inches) Min. Max. Nom. Min. .540 .540 .375 --.005 --.705 .016 .008 --0° .040 ----------- 13.72 13.72 9.53 --.127 --17.91 .408 .203 --0° .102 ----------- .560 .560 .394 --.015 --.725 .022 .012 --8° .060 ----------- .550 .550 .385 .400 .010 .100 .715 .018 .010 .075 4° .050 .050 .100 .120 .760 .200 (Millimeters) Max. Nom. 14.22 14.22 10.00 --.381 --18.42 .559 .305 --8° 1.52 ----------- 13.97 13.97 9.78 10.16 .254 2.54 18.16 .457 .254 1.91 4° 1.27 1.27 2.54 3.05 19.30 5.08 G PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSR1205G Rev. - 10/15/01 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