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: 0°C to +70°C.
Storage temperature range: -25°C to +125°C.
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Electrical Specifications @ 25°C
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
(MΩ)
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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