T1/CEPT/ISDN-PRI Transformer ELECTRONICS INC. EPR1099SE • Optimizied for Leading Transceiver I.C.’s • Dual Surface Mount in small (SOIC) package • Meets or exceeds UL1459, UL1950 & EN60950 Standards • Operating Temp. -40°C to +85°C • 1500 Vrms Isolation Electrical Parameters @ 25°C Primary Inductance (mH Min.) Leakage Inductance (µH Max.) Interwinding Capacitance (pF Max.) DCR (Ω Max.) Turns Ratio (Pri : Sec ± 5%) Pins 1-3 Pins 6-8 Xmit & Rcv (Pri) Xmit & Rcv Xmit Rcv Pri 1.2 1.2 0.80 / 0.80 30 / 30 1CT : CT 1CT : 1CT 0.7 & 0.70 Schematics Transmit Receive 16 15 14 11 10 9 1 2 3 6 7 8 Package .500 (12.70) .075 (1.91) Pin 1 I.D. .050 (1.27) PCA EPR1099SE D.C. .270 (6.86) .440 (11.18) .350 (8.89) .240 (6.10) .018/.022 (.457/.559) .085 (2.16) Solder Pad Layout .030 (.762) .005/.015 (.127/.381) .008/.012 (.203/.305) 0°-8° .035 (.889) .380 (9.66) .050 (1.27) 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. CSR1099SE Rev. 10/3/02 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com