SMD Single T1/E1 Interface Transformer ELECTRONICS INC. EPR1021G • • • • Optimized for leading Transceiver Chips Meets or exceeds UL1459 & UL1950 Standards Operating Temperature : 0°C to +70°C 1500 Vrms Isolation Electrical Parameters @ 25° C Turns Ratio OCL (mH Min.) Cw/w (pF Max.) Le (µH Max.) Pri. DCR (Ω Max.) Primary Pins 1CT:1 1.2 30 0.4 0.70 1-3 Schematic 6 5 4 1 2 3 Package .320 (8.13) .060 (1.52) .100 (2.54) PCA EPR1021G D.C. .092 .470 Suggested Pad (2.34) (11.94) Layout .270 (6.86) Pin 1 I.D. .030 (.762) .200 (5.08) .190 (4.83) .018 (.457) .010/.015 (.254/.381) .008/.013 (.203/.330) 0°-6° .025 (.640) .365 (9.27) .100 (2.54) Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 Product performance is limited to specified parameters. Data is subject to change without prior notice. CSR1021G Rev. - 3/29/05 RR TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com