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
Feature
Page :1/1
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℃.
Electrical Specifications @ 25°C
Part
Number
40ST1140
Turns Ratio
(±5%)
TX
1:1
RX
1:1
Cross talk
(dB Min)
0.3-60MHz
-45
60-100MHz
-35
60MHz
-40
OCL(μH Min)
@100KHz/0.1Vrms
8mA DC/Bias
350
Insertion Loss
(dB Max )
0.1–100MHz
-1.0
2-3MHz
-18
DCMR
(dB Min)
100 MHz
-33
200 MHz
-25
-14.4
Return Loss
(dB Min)
40MHz
50MHz
-13.1
60-80 MHz
-12
Continue
Part
Number
40ST1140
HI-POT
(Min Vrms)
1500
Schematic
Mechanical
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434
A0(02/07)
BOTHHAND [ BOTHHAND USA, LP. ]
