EPR1128

ISDN U Interface Transformers ELECTRONICS INC. • Optimizied for Leading Transceiver I.C.’s • • Meets or exceeds UL1459 & IEC950 Standards • • 2500 Vrms Isolation • • See Selection Guide for I.C. Cross Reference • • *Also available in 8 Pin Package • Electrical Parameters @ 25° C Part Number EPR1126 EPR1128 EPR1129 Turns Ratio 1:.25:1 1.50:1 1.50:1 OCL (mH Min.) 26.5-30.0 25.6-28.4 14.2-15.8 IDC (mA Max.) 80 60 60 Pri. DCR (Ω Max.) 12.5 20 16 Sec. DCR (Ω Max.) 7 3 2.5 Line Side Pins 1, 5 1, 5 1, 5 Schematic A B B Schematic 9 A 8 7 9 B 8 7 1 2 4 5 1 4 2 5 Package D 10 PCA EPR11XX 6 Dimensions N P Pad Layout Dim. Min. (Inches) Max. Nom. Min. (millimeters) Max. Nom. B D.C. Pin 1 i.d. 1 5 Q M A I C E K H F L G A B C D E F G H I K L M N P Q --.950 ----24.13 --.890 .910 .900 22.61 23.11 22.86 --.500 ----12.70 --.740 .760 .750 18.80 19.30 19.05 .019 .059 .039 .483 1.50 .991 .145 .155 .150 3.68 3.94 3.81 1.055 1.075 1.065 25.15 27.30 27.05 ----.038 ----.970 ----.015 ----.381 0° 8° --0° 8° ------.140 ----3.56 ----.070 ----1.78 ----.150 ----3.81 ----.190 ----4.83 ----1.105 ----28.07 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSR1136 - CSR1139 Rev. - 3/15/99 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