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| 10/100 Base TX Transformer Designed for general Chipsets Model No.: 20PMT03 Feature: Designed to meet IEEE802.3u Requirement. Designed to meet IR 235 Degree C Peak Requirement. Specifications: At 25 degree C. 1. Primary inductance (Lp): 350H min. @ 100Khz/100mV/8mAdc bias. 2. Leakage inductance (LL): 0.9H max. @ 100Khz/100mV. 3. Primary Capacitance (Cww): 18pf max. 4. Turn Ratio: TX: 1CT:1CT, RX: 1CT:1CT Insertion Loss (dB max) 1-125MHz -1.1 Rise Time (ns typical) Return Loss (dB typical) MHz 0.1-60 60-100 -18TX /-17RX -13TX /-15RX CMRR (dB min) MHz 0.1-60 60-100 -42TX /40RX -40TX /-35RX Crosstalk (dB min) MHz 0.1-60 60-100 -40 -38 YCL Parts no. Isolation Voltage (Vrms min) 20PMT03 2.5 1500 Dimension: mm(inch) +/-0.25(0.010) 9.40(0.370) 6.35 (0.250) 1 17.78(0.700 2.54(0.100 1.02 (0.040) 2.54 (0.100) 17.02 (0.670) 25.40(1.000 2.54(0.100 17.78(0.700 16.00(0.630) Suggested footprint Schematic: RD- 1 16 RX15 CT RD+ 3 CT 4 13 RX+ TD+ 8 CT 5 TD- 6 12 TX10 CMT 9 TX+ Prepared: Dennis Hsieh Drawing no.: 20PMT03 Approved: Jess Kuo REV: 0 Date: Mar 31,1997. Page: 1 / 1 |
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