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ISDN S - Interface Transformer ELECTRONICS INC. EPA3491G * Meets Pulse Waveform Template of CCITT 1.430 * with recommended Chip Pair Lucent T7250/2/6 and Motorola MC145574 * 3000 Vrms Isolation * * Reinforced Insulation * * Operating Temp. 0C - 70C * Electrical Parameters @ 25 C OCL (mH Min.) Pins 10-6 (Pri.) Leakage Inductance (H Max.) Pins 1-5 (Sec.) Interwinding Capacitance (pF Max.) Pri. to Sec. 45 Distributed Capacitance (pF Max.) Pin 10-6 (Pri.) 100 Turns Ratio (Pri : Sec 2%) I dc (mA Max.) DCR ( 25%) Pri 1:2.5 3 Sec 3.5 22 15 1.3 Schematic Package A J O Pri. (Line Side) Sec. (Chip Side) 10 9 7 6 1 P B Q Solder Pad Layout 24 5 Pin 1 I.D. PCA EPA3491G D.C. Dimensions Dim. Min. .540 .540 .420 --.005 --.650 .018 ----0 .025 (Inches) Max. Nom. .560 .560 .440 --.015 --.670 .022 ----8 .045 .550 .550 .430 .200 .010 .100 .660 .020 .010 .075 --.035 .030 .100 .200. 085 .720 (Millimeters) Min. Max. Nom. 13.72 13.72 10.67 --.127 --16.51 .457 ----0 .635 --14.22 14.22 11.18 --.381 --17.02 .559 ----8 1.14 13.97 13.97 10.92 5.08 0.26 2.54 16.76 0.51 0.26 1.91 --0.89 .762 2.54 5.09 2.16 18.29 D M N C E K H F L G I A B C D E F G H I J K L M N O P Q PCA ELECTRONICS, INC. 6799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSA3491G 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 |
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