Enhanced Common Mode Multiport Module for Switched Hub Transceivers ELECTRONICS INC. EPE6277AS • Optimized for TNETE2004 Switched Hub Chip • Also recommended for Level One LXT901, 915, & 944 • Robust design allows for toughest soldering processes • Complies with or exceeds IEEE 802.3, 10Base-T Standards • Transmit sides are provided with superior Common Mode Attenuation Electrical Parameters @ 25° C Inductance (µH Min.) Interwinding Capacitance (pF Max.) Leakage Inductanc e(µH Max.) @ 100 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms 150 12 CMRR (dB Min.) -35 Return Loss (dB Min.) @ 10 MHz @ 50 MHz @ 100 MHz @ 200 MHz Xmit/Rcv Xmit/Rcv Xmit/Rcv Xmit/Rcv -50/-20 -40/-20 -35/-20 -25/-20 Hipot (Vrms) 5-10 MHz @ 100Ω 5-10 MHz @ 85Ω, 115Ω -20 -15 Crosstalk (dB Min.) 1-10 MHz 1500 -45 Schematic Receive Channels 1 1:1 40 11 1:1 3 30 1CT : Transmit Channels 1CT : 38 13 2 5 2 9 1:1 39 12 32 19 29 4 22 7 37 14 34 17 2 31 20 21 27 1CT : 2 24 16 6 10 28 15 1CT : 1:1 2 33 8 18 23 Pins 25, 26, 35 and 36 not connected. Package 1.120 (28.45) .090 (2.29) .050 (1.27) .085 (2.16) PCA EPE6277AS Date Code .480 (12.19) 40 21 .670 Solder Pad Layout (17.02) 1 20 .950 (24.13) .030 (.762) .005/.015 (.127/.381) .240 (6.09) .050 (1.27) .016/.022 (.406/.559) .008/.012 (.203/.305) 0°-8° .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. CSE6277AS Rev. D1 5/6/03 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com