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| ISDN S - Interface Low Profile SMT Dual Transformer ELECTRONICS INC. EPA3490G * Meets Pulse Waveform Template of CCITT 1.430 * with recommended Chip Pair AT&T/Lucent T7250/6/9 and Motorola MC145474/5 * 2000 Vrms Isolation * * Operating Temp. 0C - 70C * Electrical Parameters @ 25 C OCL (mH Min.) Pins 1-4,5-8 (Pri.) Leakage Inductance (H Max.) A &B (Sec.) Interwinding Capacitance (pF Max.) A&B 100 Distributed Capacitance (pF Max.) A &B (Pri.) 110 Turns Ratio (Pri : Sec 2%) A&B 1:2.5 I dc (mA Max.) A&B 1 DCR ( 25%) Pri Sec 5.3 22 40 2.4 Schematic A B 12 11 10 9 Package A J Pin 1 I.D. N Sec. (Chip Side) Pri. (Line Side) 16 15 14 13 1 23 4 5 67 8 PCA EPA3490G D.C. D B Q Solder Pad Layout P Dimensions M Dim. A B C D E F G H I J K L M N P Q Min. .930 .570 .280 --.005 --.680 .018 ----0 .025 (Inches) Max. Nom. .950 .590 .300 --.015 --.700 .022 ----8 .045 .940 .580 .290 .700 .010 .100 .690 .020 .010 .120 --.035 .030 .100 .085 .750 (Millimeters) Min. Max. Nom. 23.62 14.48 7.11 --.127 --17.28 .457 ----0 .635 --24.14 14.99 7.62 --.381 --17.78 .559 ----8 1.14 23.88 14.73 7.37 17.78 0.26 2.54 17.53 0.51 0.26 3.05 --0.89 .762 2.54 2.16 19.05 C E K H F L G I PCA ELECTRONICS, INC. 6799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSA3490G 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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