Bothhand USA.
e-mail: sales@bothhandusa.com http://www.bothhandusa.com
40 PIN SMD ETHERNET 10/100 BASE QUAD PORT TRANSFORMER
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P/N: 40ST1042 DATA SHEET
Feature
IEEE 802.3 Ethernet compatible, 100 BASE-TX.
Surface mountable.
Design for multiport repeater and Ethernet switching Hub
application.
Customer designs available for specific application.
Operating temperature range : 0℃ to +70℃.
Storage temperature range: -25℃ to +125℃.
Electrical Specifications @ 25°C
Part
Number
40ST1042
Turns Ratio
(±5%)
TX
2CT:1CT
RX
1:1
OCL (uH Min)
@ 100KHz/0.1Vrms with
8mA/DC Bias
350
TX
1.3
L.L
(uH Max)
RX
0.5
CW/W
(pF Max)
30
Insulation
Resistance
(
MΩ)
10,000
Voltage Isolation
(Vrms)
1500
DCMR
(dB Min)
Continue
Part
Number
40ST1042
Insertion Loss
(dB Max)
0.3–100MHz 0.3-30MHz
-1.15
-18
Return Loss
(dB Min)
40MHz
-15.5
50MHz
-13.6
60-80MHz
-12
Cross talk
(dB Min)
0.3-100 MHz
-38
-37
1-60MHz 60-200MHz
-25
Schematic
Mechanical
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434
A6(02/06)