10/100 BASE-TX TRANSFORMER MOSULES
FOR AUTO MDI/MDIX APPLICATIONS
Bothhandusa.com
P/N: 40ST1140AX LF DATA SHEET
Feature
Symmetrical TX and RX channels for auto MDI/MDIX
capability.
Compliant with IEEE 802.3u and ANSI X 3.263 standards
including 350 uH OCL with 8 mA bias.
Lead free for external pins.
Operating temperature range:0℃ to +70℃.
Storage temperature range:-25℃ to +125℃.
Electrical Specifications @ 25°C
Part
Number
TX
40ST1140AX LF 1CT:1CT
Turns Ratio
(±5%)
RX
1CT:1CT
OCL(uH Min)
@ 100KHz/0.1V
8mA DC Bias
350
Insertion Loss
(dB Max )
0.1-100MHz
-1.0
2-3MHz
-18
40MHz
-14.4
Return Loss
(dB Min)
50MHz
-13.1
60-80MHz
-12
Continue
Part
Number
40ST1140AX LF
-40
Cross talk
(dB Min)
0.3-60MHz
60-100MHz
-35
60MHz
-40
DCMR
(dB Min)
100MHz
-33
200MHz
-25
1500
HI-POT
(Vrms)
Schematic
Mechanical
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434
BOTHHAND [ BOTHHAND USA, LP. ]
