T1/E1/ CEPT Quad Port Transformer ELECTRONICS INC. EPR1526S & EPR1526S-RC • Designed for T1/E1 Tranceiver Chip-Set • Robust design allows for toughest soldering processes • Add “-RC” after part number for RoHS Compliant • Isolation : 1500 Vrms Electrical Parameters @ 25° C Primary Inductance (mH Min.) Leakage Inductance (µH Max.) Interwinding Capacitance (pF Max.) @ 100 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms 1.2 0.6 DCR (Ω Max.) Turns Ratio (± 2%) Xmit 35 Pri. Sec. Pri.:Sec. Pri.:Sec. 0.9 1.3 0.9 0.9 1:2CT 1:1CT Schematic 1.120 (28.45) .090 (2.29) .050 (1.27) .085 (2.16) .480 (12.19) 1 2 3 Xmit 29 28 30 Xmit Rcv 34 33 32 31 35 4 5 Rcv 27 26 6 7 8 Xmit 24 23 25 9 10 Rcv 22 21 .030 (.762) .010/.015 (.254/.381) .050 (1.27) Xmit Rcv 39 38 37 36 40 40 21 .670 Solder Pad Layout (17.02) 1 20 .950 (24.13) .260 (6.60) Rcv Sec. Package PCA EPR1526S(-RC) Date Code Xmit Rcv Pri. .016/.022 (.406/.559) .008/.012 (.203/.305) 0°-8° 11 .035 (.889) 12 13 14 15 16 17 18 19 20 .600 (15.24) Notes : EPR1526S 1. Assembly Process (Solder Composition) SnPb EPR1526S-RC Pb-Free + (RoHS exemption 7a) 2. Peak Solder Rating 225°C (per IPC/JEDEC J-STD-020C) 3. Moisture Sensitive Levels (MSL) MSL = 3 (168 Hours, ≤30°C/60%RH) (per IPC/JEDEC J-STD-020C) 4. Weight 5. Packaging Information (*Add “TR” to end of part number when placing order) (Tube) (Tape & Reel) 260°C MSL = 4 (72 Hours, ≤30°C/60%RH) TBD grams TBD grams TBD pieces/tube TBD pieces/13” reel TBD pieces/tube TBD pieces/13” reel (*EPR1526S-TR) (*EPR1526S-RCTR) 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. CSR1526S & -RC Rev. 1 12/1/05 JDG TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com