E1 Transformer ELECTRONICS INC. EPA3556 • Designed for 2.048 MBPS Applications • Contains both Transmit and Receive Transformers • 1500 Vrms Isolation • Packaged in Tubes Electrical Parameters @ 25° C Inductance (mH Min.) Leakage Inductance (µH Max.) Interwinding Capacitance (pF Max.) Insertion Loss (dB Max.) @ 100 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms @ 1 MHz to 3 MHz @ 2.05 MHz to 2.102 MHz @ 2.102 MHz to 2.048 MHz @ 2.048 MHz to 3.072 MHz 1.2 0.6 35 -0.25 -12 -18 -14 Pins 9-7 or Pins 10-12 Pins 10-12 w 1/2/3 shorted Pins 9-7 w 4/5/6 shorted Wdg. to Wdg. Return Loss (dB Min.) DCR (Ω Max.) 0.80 Pins 9-7 or 10-12 Schematic T2 T1 4 12 1 9 5 2 3 6 10 7 Package .710 (18.03) Pin 1 I.D. PCA EPA3556 Date Code .390 (9.91) .015/.025 (.381/.635) .240 (6.10) .016/.022 (.406/.559) .100 (2.54) .300 (7.62) .500 (12.70) 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. CSA3556 Rev. 2 6/25/03 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com