T1/CEPT/ISDN-PRI Interface Transformers ELECTRONICS INC. EPR1100S • Opitmized for Leading Transceiver I.C.’s • Meets or exceeds UL1459, UL1950 & EN60950 Standards • Dual Surface Mount in a Small (SOIC) Package • 1500 Vrms Isolation Electrical Parameters @ 25°C Turns Ratio OCL (mH Min.) Cw/w (pF Max.) LL (µH Max.) Pri. DCR (Ω Max.) Sec. DCR (Ω Max.) Primary Pins 1CT:2CT/1CT:1CT 1.2 / 1.2 30 / 30 0.6 / 0.6 0.7 / 0.7 0.7 / 1.0 16,14 / 6,8 Schematics 16 15 14 11 10 9 1 2 3 6 7 8 Package .500 (12.70) .075 (1.90) Pin 1 I.D. .050 (1.27) PCA EPR1100S 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 (9.65) .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. CSR1100S Rev. - 11/13/02 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com