EPR1345S

DS3/E3/STS-1 Isolation Transformer ELECTRONICS INC. EPR1345S • Designed for TDK’s 78P2344 Chip • Transfer Molded Part • Isolation : 1500 Vrms Electrical Parameters @ 25° C Cable Side OCL (µH Typ.) 100 KHz, 0.1 Vrms 40 Leakage Inductance (µH Max.) 1 MHz, 0.1 Vrms 0.12 Insertion Loss (dB Max.) 200 KHz-200 MHz -3 Bandwidth 200 KHz-200 MHz Cw/w (pF Max.) 1 MHz, 0.1 Vrms 10 DCR (Ω Max.) Chip Side 0.5 Cable Side 0.3 • Return Loss : -12 dB Min. @ 860 KHz, -18 dB Min. @ 1.72 MHz, -18 dB Min. @ 34.37 MHz, -14 dB Min. @ 51.6 MHz • • Impedance (Cable Side) : 75 Ω • Schematic Transmit Channel 1, 6, 11 Chip 2, 7, 12 Side 3, 8, 13 40, 35, 30 Cable Side 38, 33, 28 (Gnd) Chip Side 5, 10, 15 1:1 Receive Channel 4, 9, 14 37, 32, 27 Cable Side 36, 31, 26 (Gnd) 2CT:1 Package 1.120 (28.45) .085 (2.16) PCA EPR1345S Date Code .050 (1.27) .090 (2.29) .480 (12.19) 40 21 .670 Solder Pad Layout (17.02) 1 20 .950 (24.13) .260 (6.60) .050 (1.27) .010/.015 (.254/.381) 0°-8° .030 (.762) .008/.012 (.203/.305) .016/.022 (.406/.559) .035 (.889) .600 (15.24) 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. CSR1345S Rev. 2 1/7/03 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com