Modem Transformer ELECTRONICS INC. EPM1024 • Material meets Class 130 • • 500 Vrms Isolation • • Turns Ratio of 1:1 ± 5% • Electrical Parameters @ 25° C Inductance (mH min.) Leakage Inductance (mH Typ.) Interwinding Capacitance (pF Typ.) @ 10 KHz, 0.1 Vrms @ 10 KHz, 0.1 Vrms @ 10 KHz, 0.1 Vrms Pri. Pri. 700 Pins1-2 or 3-4 10 15 Wdg. to Wdg. 65 Pins1-2 81 Pins 3-4 Pins 1-2 w 3-4 shorted DCR (Ω Typ.) Schematic 1 4 2 3 Package A B Pin 1 I.D. Dimensions C PCA EPM1024 D.C. (Inches) Dim. A B C F G H J K L M N J F N K L Min. ------.190 .190 --.100 --------- Max. .480 .370 .430 .210 .210 ------------- (Millimeters) Nom. .455 .340 .400 .200 .200 .018 .120 .392 .100 .040 .018 Min. ------4.83 4.83 ------------- Max. 12.19 9.40 10.92 5.33 5.33 ------------- Nom. 11.56 8.64 10.16 5.08 5.08 .457 3.05 9.96 2.54 1.02 .457 G M H (Sq.) PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSM1024 Rev. - 6/4/99 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