E4/STM-1/STS-3/OC-3 Interface Transformer ELECTRONICS INC. EPR1622SE • Designed for TDK 78P2253 Transceiver • Meets or exceeds IEC 950 Standards • Operating Temperature -40°C to +85°C • 1500 Vrms Isolation Electrical Parameters @ 25° C Return Loss (dB Min.) Primary Inductance (µH Min.) Insertion Loss (dB Max.) DCR (Ω Max.) 0.30 36 -15 -3 Pins 1-3/6-8 8 MHz 0.1 MHz-400 MHz Schematic Transmit 16 15 Receive 14 11 10 9 1CT:1CT 1CT:1CT 1 2 3 6 7 8 Package .490 (12.45) .065/.075 (1.65/1.91) .050 (1.27) PCA EPR1622SE D.C. Pin 1 I.D. .270 (6.86) .460 (11.68) .350 (8.89) .190 (4.83) .016/.022 (.406/.559) .092 (2.34) Solder Pad Layout .030 (.762) .010/.015 (.254/.381) .008/.013 (.203/.330) 0°-8° .035 (.889) .365 (9.27) .050 (1.27) 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. CSR1622SE Rev. - 5/11/05 JDG TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com