Bothhand USA. e-mail: sales@bothhandusa.com http://www.bothhandusa.com 40PIN SMD ETHERNET 10/100 BASE TX TWO PORT TRANSFORMER P/N: 40ST1021 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 40ST1021 Turns Ratio (5%) TX 1CT:1 RX 1CT:1CT OCL (uH Min) @ 100KHz/0.1Vrms with 8mA/DC Bias 350 Continue Part Number 40ST1021 Insertion Loss (dB Max) 0.3-100 MHz -1.15 0.3-30MHz -16 Return Loss (dB Min) 30-60MHz -12 60-80MHz -10 Cross talk (dB Min) 0.3-100MHz -38 DCMR TX/RX(dB Min) 1-60MHz -37 60-200MHz -25 CW/W (pF Max) 28 L.L (uH Max) 0.5 Insulation Resistance (M) 10,000 HI-POT (Vrms) 1500
Schematic
Mechanical
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 A6(02/06)
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