T1/E1 Isolation Transformer ELECTRONICS INC. EPR1097SE • Dual Surface Mount in small (SOIC) package • • Optimizied for Leading Transceiver I.C.’s • • Meets or exceeds UL1459, UL1950 & EN60950 Standards • • 1500 Vrms Isolation • • Operating Temp. -40°C to +85°C • Electrical Parameters @ 25° C Primary Inductance (mH Typ.) Leakage Inductance (µH Max.) Interwinding Capacitance (pF Max.) Pins 1-3 1.5 0.5 Primary 35 Turns Ratio (± 2%) Pins 1-3:16-14 1CT : 2CT Primary DCR (Ω Max.) Crosstalk (dB Typ.) 0.8 (0.5-5 MHz) -60 Pins 6-8:11-9 1CT : 2CT Schematic Secondary 16 15 14 11 10 1 2 3 6 Primary 7 9 8 Package .500 (12.70) .075 (1.91) Pin 1 I.D. .050 (1.27) PCA EPR1097SE D.C. .270 (6.86) .440 (11.18) .350 (8.89) .180 (5.08) .018 Typ. (.460) .085 (2.16) Solder Pad Layout .030 (.762) .005/.015 (.127/.381) .008/.012 (.203/.305) 0°-8° .015/.025 (.380/.640) .365 (9.27) .050 (1.27) Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSR1097SE Rev. - 6/3/02 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