Bothhand USA.
e-mail: sales@bothhandusa.com http://www.bothhandusa.com
40 PIN SMD EHTERNET 10/100 BASE-TX TWO PORT TRANSFORMER
P/N: 40ST1028 DATA SHEET
Feature
40 PIN SMD package & designed to Meet 802.3u
standards.
Insulation Resistance : 10,000 M•.
Operating temperature range: 0°C TO +70°C.
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Electrical Specifications @ 25°C
Part
Number
40ST1028
Turns Ratio
(±5%)
TX
1CT:1
RX
1CT:1CT
OCL(•H Min)
@100KHz/0.1Vrms
8mA DC/Bias
350
Leakage Inductance
(•H Max)
0.4
CW/W
(pF Max)
28
HI-POT
(Vrms)
1500
Continue
Part
Number
40ST1028
Insertion Loss
(dB Max.)
0.3–100MHz
-1.15
0.3-30MHz
-16
Return Loss
(dB Min)
30-60MHz
-12
60-80MHz
-10
Cross talk
(dB Min)
0.3-100 MHz
-38
DCMR
(dB Min)
1-60MHz
-37
60-200MHz
-25
Schematic
Mechanical
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434
A3(02/06)