T1/CEPT/ISDN-PRI Interface Transformers ELECTRONICS INC. EPR1076S to EPR1089S & EPR1076S-RC to EPR1089S-RC • 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 Part Number Turns Ratio (Pri.:Sec. ± 5%) OCL (mH Min.) Cw/w (pF Max.) LI (µH Max.) Pri. DCR (Ω Max.) Sec. DCR (Ω Max.) Primary Pins Schematic EPR1076S(-RC) EPR1077S(-RC) EPR1078S(-RC) EPR1079S(-RC) EPR1080S(-RC) EPR1081S(-RC) EPR1082S(-RC) EPR1083S(-RC) EPR1084S(-RC) EPR1085S(-RC) EPR1086S(-RC) EPR1089S(-RC) 1CT:1CT/1CT:1.36CT 1CT1CT/1CT:1.5CT 1CT:2CT/1CT:2CT 1CT:2CT/1:1.36CT 1:1.15CT/1CT:2CT 1CT:1.15CT/1CT:1.15CT 1CT:1CT/1CT:2CT 1CT:1.41CT/1CT:1.41CT 1CT:1.5CT/1CT:1.5CT 1CT:2CT/1CT:2.3CT 2CT:1/1.26/2CT:1/1.26 1CT:1.36CT/1CT:1CT 1.2 / 1.2 1.2 / 1.2 1.2 / 1.2 1.2 / 1.2 1.2 / 1.2 1.2 / 1.2 1.2 / 1.2 1.0 / 1.0 1.5 / 1.5 1.2 / 1.2 1.5 / 1.5 1.2 / 1.2 30 / 30 30 / 30 30 / 30 30 / 30 30 / 30 30 / 30 30 / 30 30 / 30 40 / 40 30 / 30 40 / 40 30 / 30 0.6 / 0.6 0.6 / 0.6 0.6 / 0.6 0.6 / 0.6 0.6 / 0.6 0.6 / 0.6 0.6 / 0.6 0.6 / 0.6 0.8 / 0.8 0.8 / 0.8 0.5 / 0.5 0.6 / 0.6 0.7 / 0.7 0.7 / 0.7 0.7 / 0.7 0.7 / 0.7 0.7 / 0.7 0.7 / 0.7 0.7 / 0.7 0.7 / 0.7 0.7 / 0.7 0.9 / 0.9 0.7 / 0.7 0.7 / 0.7 1.0 / 1.0 0.7 / 1.0 1.4 / 1.4 1.0 / 0.8 0.7/ 1.0 0.8 / 0.8 0.7 / 1.0 0.9 / 0.9 0.9 / 0.9 1.3 / 1.3 1.0 / 1.0 1.0 / 1.0 1,3 / 6,8 16,14 / 6,8 16,14 / 6,8 16,14 / 6,8 16,14 / 6,8 1,3 / 6,8 16,14 / 6,8 1,3 / 11,9 1,3 / 6,8 6,8,/,14,16 1,3 / 6,8 1,3 / 6,8 A A A B C A A A A A A A Package Schematics A .500 (12.70) .075 (1.90) Pin 1 I.D. .050 (1.27) PCA EPR10XXS(-RC) D.C. .270 (6.86) .440 (11.18) Solder Pad Layout 15 14 1 2 3 11 10 9 6 7 8 11 10 9 B .350 (8.89) .240 (6.10) .085 (2.16) 16 16 15 14 1 2 3 .030 (.762) .005/.015 (.127/.381) .008/.012 (.203/.305) 0°-8° 6 8 C .018/.022 (.457/.559) .050 (1.27) Notes : 16 .035 (.889) .380 (9.65) EPR10XXS EPR10XX-RC 1. Lead Finish SnPb Hot Tin Dip (Sn) † 2. Peak Temperature Rating 225°C 245°C 3. Moisture Sensitive Levels MSL = 3 (168 Hours, ≤30°C/60%RH) 4. Weight (Tube) 5. Packaging Information (*Add “TR” to end of part number, but (Tape & Reel) in front of “-RC”when placing order) 1 2 14 11 10 9 3 6 7 8 MSL = 4 (72 Hours, ≤30°C/60%RH) 1.2 grams 1.2 grams 39 pieces/tube 750 pieces/13” reel 39 pieces/tube 750 pieces/13” reel (*EPR10XXXSTR) (*EPR10XXTR-RC) † Lead Material : Matte Tin with Ni Barrier 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. CSR1076S(-RC) to CSR1089S(-RC) Rev. 3 6/30/06 JDG TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com