Miniature T1/CEPT/ISDN-PRI Transformer ELECTRONICS INC. EPA3387S • Robust design allows for toughest soldering processes • • Small outline package on 0.050” pitch • • 1500 Vrms Isolation • Electrical Parameters @ 25° C Primary Inductance (mH Min.)(1) Leakage Inductance (µH Max.)(1) 1.2 Interwinding Capacitance (pF Max.)(1) 0.6 DCR (Ω Max.) 30 Pri Sec 0.7 1.0 Notes: 1) Measured @ 100 KHz, 0.1 Vrms. Schematic T1 1CT: Pri T2 2CT 1CT: 16 1 15 2 14 3 Sec Pri 2CT 6 11 7 10 8 9 Sec Package Dimensions A (J) Pin 1 I.D. N PCA EPA3387S Date Code B Q Suggested Solder Pad Layout M D E C H P F K L Dim. Min. A B C D E F G H I (J) K L M N P Q .480 .260 .180 .350 .005 .050 .370 .016 .010 .070 0° .025 (Inches) Max. Nom. .500 .280 .200 Typ. .015 Typ. .390 .022 Typ. Typ. 8° .045 .030 .050 .055 .400 (Millimeters) Min. Max. Nom. 12.19 6.60 4.57 8.89 .127 1.27 9.40 .406 .254 1.78 0° .635 12.70 7.11 5.08 Typ. .381 Typ. 9.91 .559 Typ. Typ. 8° 1.14 .762 1.27 1.40 10.16 I G PCA ELECTRONICS, INC 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSA3387S Rev. - 6/4/97 Product performance is limited to specified parameters. Data is subject to change without prior notice. TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com