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40ST1140 Datasheet, PDF (1/1 Pages) Bothhand USA, LP. – 10/100 BASE-TX TRANSFORMER MOSULES FOR AUTO MDI/MDIX APPLICATIONS
Bothhand USA. e-mail: sales@bothhandusa.com http://www.bothhandusa.com
10/100 BASE-TX TRANSFORMER MOSULES FOR AUTO MDI/MDIX APPLICATIONS
P/N: 40ST1140 DATA SHEET
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Symmetrical TX and RX channels for auto MDI/MDIX
capability.
Approved for use with the Broadcom BCM5226 and Level
One LXT9784.
Compliant with IEEE 802.3u and ANSI X 3.263 standards
including 350 uH OCL with 8 mA bias.
Designed for reflow soldering at temperatures up to 235℃.
Operating Temperature range: 0℃ to +85℃.
Storage temperature range: -25℃to +125℃.
Part
Number
40ST1140
Part
Number
40ST1140
Electrical Specifications @ 25°C
Turns Ratio
(±5%)
TX
RX
OCL(μH Min)
@100KHz/0.1Vrms
8mA DC/Bias
Insertion Loss
(dB Max )
0.1–100MHz
2-3MHz
Return Loss
(dB Min)
40MHz
50MHz
1:1
1:1
350
-1.0
Continue
-18
-14.4
-13.1
Cross talk
(dB Min)
DCMR
(dB Min)
0.3-60MHz
60-100MHz
60MHz
100 MHz
200 MHz
-45
-35
-40
-33
-25
Schematic
Mechanical
60-80 MHz
-12
HI-POT
(Min Vrms)
1500
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434
A0(02/07)