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12ST1112LF Datasheet, PDF (1/2 Pages) Bothhand USA, LP. – 10/100 BASE-T SINGLE PORT TRANSFORMER MODULES
Bothhand USA
email:sales@bothhandusa.com
tel: 978-887-8050
10/100 BASE-T SINGLE PORT TRANSFORMER MODULES
P/N:12ST1112 LF DATA SHEET
Page : 1/ 2
Feature
l Compact symmetrical size facilitates chip shooter
placement and reduces manufacturing time.
l IEEE 802.3 and ANSI X3.263 compliant including 350uH
OCL with 8mA Bias.
l Patented interlock Base construction for high reliability.
l Comply with RoHS requirements-whole part No Cd, No Hg,
No Cr6+, No PBB and PBDE and No Pb on external pins.
l Operating Temperature range: 0 to +70.
l Storage temperature range: -25 to +125.
Part
Number
12ST1112 LF
Transmit
Turns Ratio(±5%)
TX
RX
1CT:1 1CT:1CT
Electrical Specifications @ 25°C
OCL (uH Min)
@100KHz/0.1V
DCMR
(dB Min) TX/RX
with 8mA DC Bias
60MHz
100MHz
200MHz
350
-28
-26
-25
HI-POT
(Vrms)
1500
Part
Number
Insertion Loss
(dB Max)
0.3-100 MHz 1-30MHz
12ST1112 LF
-1.2
-16
Continue
Return Loss
(dB Min)
40MHz 50MHz 60-80MHz
-14
-13
-12
1MHz
-60
Schematic
Cross talk
(dB Min)
30MHz
-40
60MHz
-40
100MHz
-35
462 Boston St,
http://www.bothhandUSA.com
Topsfield, MA 01983 email:sales@bothhandusa.com
A7(08/06)
tel: 978-887-8050
fax: 978-887-5434