T1/E1/ CEPT Quad Port Transformer EPR1525S ELECTRONICS INC. • Recommended for use with Rockwell BT8370 • Level One LXT334/5, Lucent Tech. T7288/90 & PMC-Sierra 4314 • 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 XMIT3 Pri. 30 29 1.2 DCR (Ω Max.) Turns Ratio (± 2%) XMIT RCV XMIT RCV Sec. Pri:Sec Pri:Sec 0.7 1.4 1:1.36CT 1:2 CT RCV3 XMIT4 RCV4 Sec. 28 27 26 Pri. 25 24 Schematic RCV1 XMIT1 Pri. 40 39 1 XMIT2 RCV2 Sec. Sec. Pri. 38 37 36 35 34 33 32 31 2 3 Sec. 4 5 Pri. 6 7 8 Sec. 9 10 11 12 13 Pri. Sec. 14 15 Pri. 16 23 Sec. 22 21 17 18 19 20 Sec. Pri. Package A Dimensions N J Pin 1 I.D. PCA EPR1525S 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 CSR1525S Rev. 10/15/99 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