T1/E1/ CEPT Quad Port Transformer EPA3455S ELECTRONICS INC. • 4 Transmit, 4 Receive Quad Port surface mount Transformer • • 1500 Vrms Isolation • • Crosstalk at -65dB Typical • Electrical Parameters @ 25° C Primary Inductance Leakage Inductance (mH Min.) (µH Max.) Interwinding Capacitance (pF Max.) DCR (Ω Max.) Turns Ratio (± 3%) A 1.2 .80 B Pri. Sec. Pri. Sec. 2 1 1 2 35 A B 1.36 CT : 1 1:2 CT Schematic (A) 40 (B) 39 38 (A) 37 (B) 36 35 34 33 32 (A) 31 30 (B) 29 28 27 (A) 26 25 (B) 24 23 22 21 Sec. Pri. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Package Dimensions A J Pin 1 I.D. N PCA EPA3455S Date Code B Pad Layout Q D P M E C K L H PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 F I Dim. Min. A B C D E F G H I J K L M N P Q 1.11 .470 .206 .945 .010 .045 .590 .016 .010 .085 0° .025 (Inches) Max. Nom. 1.13 .490 .226 .955 .015 .055 .610 .022 Typ. Typ. 8° .045 (Millimeters) Min. Max. Nom. 28.19 11.94 5.23 24.00 .254 1.14 14.99 .406 .254 2.16 0° .635 .030 .050 .092 .660 28.70 12.45 5.74 24.26 .381 1.40 15.49 .559 Typ. Typ. 8° 1.14 .762 1.27 2.34 16.76 G CSA3455S Rev. A 6/5/98 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