T1/E1/ CEPT Quad Port Transformer EPR1531S ELECTRONICS INC. • Robust construction allows IR/VP reflow processes • • 1500 Vrms Isolation • • Operating Temperature 0°C to 70°C • Electrical Parameters @ 25° C Primary Inductance (mH Min.) Leakage Inductance (µH Max.) Interwinding Capacitance (pF Max.) @ 100 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms Measure Pri. short Sec. Pri. to Sec. Pri. Sec. Pri. 0.6 35 0.7 1.0 0.7 1.2 Turns Ratio (± 2%) DCR (Ω Max.) XMIT RCV XMIT RCV Sec. Pri:Sec Pri:Sec 1.4 1: 2 1: 2 Schematic XMIT1 40 RCV1 38 1 3 37 XMIT2 36 4 5 35 RCV2 33 6 32 8 XMIT3 31 9 30 28 11 10 13 RCV3 27 XMIT4 26 14 15 25 RCV4 23 16 22 18 21 19 20 Package A Dimensions N J Pin 1 I.D. PCA EPR1531S Date Code B 40 21 Solder Pad Layout Q 1 20 P M D 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 1.110 .470 .250 --.010 --.590 .016 .008 --0° .025 --------- (Inches) Max. Nom. 1.130 .490 .270 --.015 --.610 .022 .012 --8° .045 --------- 1.120 .480 .260 .950 .012 .050 .600 .019 .010 .085 --.035 .030 .050 .090 .670 (Millimeters) Min. Max. Nom. 28.19 11.94 6.35 --.254 --14.99 .406 .203 --0° .635 --------- 28.70 12.45 6.86 --.381 --15.49 .559 .305 --8° 1.14 --------- 28.45 12.19 6.60 24.13 .305 1.27 15.24 .483 .254 2.16 --.889 .762 1.27 2.29 17.02 G CSR1531S Rev. 3/28/00 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