BOTHHAND 40ST1021D

Bothhand USA. e-mail: sales@bothhandusa.com http://www.bothhandusa.com
40PIN SMD ETHERNET 10/100 BASE TX TWO PORT TRANSFORMER
P/N: 40ST1021D DATA SHEET
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Feature
40-PIN SMD Package designed to meet IEEE 802.3
& IR requirement .
z Operating Temperature range: 0°C to +70°C.
z Storage temperature range: -25°C to +125°C.
z
Electrical Specifications @ 25°C
Part
Number
40ST1021D
Turns Ratio
OCL (uH Min)
(±3%)
@ 100KHz/0.1Vrms
TX
RX
with 8mA/DC Bias
1CT:1CT
1CT:1CT
350
L.L
Rise Time
HI-POT
(pF Max)
(uH Max)
(n s Typ)
(Vrms)
20
0.4
2.5
1500
CW/W
Continue
Part
Number
40ST1021D
Insertion Loss
Return Loss
(dB Max)
(dB Min)
0.3-100 MHz
1-30MHz
-1.15
-18
Schematic
Cross talk
DCMR
(dB Min) TX/RX
(dB Min)
40-50MHz 60-80MHz 0.3-60MHz 60-100MHz
-14
-12
-40
-35
30MHz
60MHz
200MHz
-40/-37
-33/-28
-25/-25
Mechanical
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434
A0(02/11)