Isolation Transformers for LAN-Ethernet Applications ELECTRONICS, INC. EPA1473J-X • Designed for IEEE 802.3 and ECMA Requiremnts • • 2000 Vrms Hipot • (In compliance with LANS safety requirements) • Also available in 500 Vrms • • Available in Low Profile S.O.I.C. 16 Pin SMD Package • Electrical Parameters @ 25°C PCA Part Number OCL (µH ± 20%) Interwinding Capacitance (pF Max.) Leakage Inductance (µH Max.) EPA1473J-1 25 5 0.15 EPA1473J-2 30 5 0.15 EPA1473J-3 35 6 0.15 EPA1473J-4 50 7 0.20 ET-Constant (V-µSec. Typ) Rise Time (nS Max.) DCR (Ω Max.) 2.0 3.0 0.15 2.0 3.0 0.15 2.0 3.0 0.20 2.0 3.0 0.20 EPA1473J-5 75 8 0.20 2.4 3.0 0.30 EPA1473J-6 100 9 0.25 2.5 3.0 0.30 EPA1473J-7 125 10 0.25 3.0 3.0 0.30 EPA1473J-8 150 11 0.25 3.0 3.0 0.40 EPA1473J-9 175 12 0.25 3.0 3.5 0.50 • Turns Ratio = 1:1 ± 5% • Schematic 16 15 13 12 10 9 1 2 4 5 7 8 Package Marking : PCA EPA1473J-X Date Code A J N Dimensions Pin 1 I.D. B Q Solder Pad Layout P D Dim. A B C D E F G H I J M N P Q M E C G H PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 I F CSA1473J-# Min. .430 .270 .168 --.025 ----.018 .008 (Inches) Max. .450 .290 .188 --.045 ----022 .012 Nom. .440 .280 .178 .350 .035 .050 .310 .020 .010 --------- --------- 030 .050 .055 .380 (Millimeters) Min. Max. Nom. 10.92 11.43 11.18 6.86 7.37 7.11 4.27 4.77 4.55 ----8.89 .635 1.14 .889 ----1.27 ----7.87 .457 .559 .508 3.05 3.56 .254 Rev. - 12/12/98 Product performance is limited to specified parameters. Data is subject to change without prior notice. --------- --------- .762 1.27 1.40 9.65 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com