T1/E1 Transformer ELECTRONICS INC. EPR1087G • Designed for use with PMC-Sierra’s PM4351 Comet • • Meets UL1459 requirements • • Robust Construction allows IR/VP reflow processes • • 1500 Vrms Isolation • Electrical Parameters @ 25° C Pri. OCL (mH Min.) Leakage Inductance (µH Max.) Frequency Response (dB Typ.) 10KHz,1Vrms 10KHz,1Vrms 0.1-2.5 MHz 100KHz 200-300KHz 500KHz 1MHz 2.3 2 -0.1 -32 -35 -32 -28 Pins 6-4 Pins 6-4 w/ 1-3 Shorted Longitudinal Balance (dB Min.) Turns Ratio (± 2%) 2.5 MHz 0.1-2.5 MHz Pri. : Sec. Pri. Sec. -22 35 2.42:1 0.55 0.215 Per FCC Method Pins 6-4 to 1-3 Pins 6-4 Pins 1-3 Return Loss (dB Typ.) DCR (Ω ±10%) • Primary Impedance : 100Ω • Secondary Impedance : 17Ω • Schematic Pri. Sec. 6 1 5 Package 3 4 A M J Pin 1 I.D. PCA EPR1087G D.C. Q B D P Dimensions Dim. N C E H Solder Pad Layout F A B C D E F G H I J K L M N P Q K L I G PCA ELECTRONICS, INC. 6799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSR1087G Rev. Min. .440 .390 .340 --.010 --.500 .018 .008 --0° .025 --------- (Inches) Max. Nom. .460 .410 .360 --.015 --.520 .022 .012 --8° .045 -------- .450 .400 .350 .200 .013 .100 .510 .020 .010 .125 --.035 .030 .100 .085 .570 5/1/00 Product performance is limited to specified parameters. Data is subject to change without prior notice. (Millimeters) Min. Max. Nom. 11.85 9.90 8.63 --.254 --12.70 .457 .203 --0° .635 --------- 11.68 10.41 9.14 --.381 --13.20 .559 .305 --8° 1.14 --------- 11.43 10.16 8.89 5.08 .330 2.54 12.95 .508 .254 3.16 --.889 .762 2.54 2.16 14.48 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com