Bothhand USA. e-mail: sales@bothhandusa.com http://www.bothhandusa.com 40PIN SMD ETHERNET 10/100 BASE TX TWO PORT TRANSFORMER P/N: 40ST1021A DATA SHEET
Feature 40-PIN SMD Package designed to meet IEEE 802.3 & IR requirement . Operating Temperature range: 0C to +70C. Storage temperature range: -25C to +125C.
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Electrical Specifications @ 25C
Part Number 40ST1021A Turns Ratio (5%) TX 1CT:1 RX 1CT:1CT OCL (uH Min) @ 100KHz/0.1Vrms with 8mA/DC Bias 350 CW/W (pF Max) 28 Continue Part Number 40ST1021A Insertion Loss (dB Max) Return Loss (dB Min) Cross talk (dB Min) 30MHz -40/-37 DCMR (dB Min) TX/RX 60MHz -33/-28 200MHz -25/-25 L.L (uH Max) 0.4 Rise Time (n s Typ) 2.5 Insulation Resistance (M) 10,000 HI-POT (Vrms) 1500
0.3-100 MHz 0.3-30MHz 30-60MHz 60-80MHz 0.3-60MHz 60-100MHz -1.15 -16 -12 -10 -40 -35
Schematic
Mechanical
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 A4(02/11)
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