40PIN SMD ETHERNET 10/100 BASE TX TWO
PORT TRANSFORMER
Bothhandusa.com
P/N: 40ST1021B DATA SHEET
Feature
!
!
!
40-PIN SMD Package designed to meet IEEE 802.3
& IR requirement .
Operating temperature range: 0℃ to +70℃.
Storage temperature range: -25℃ to +125℃.
Electrical Specifications @ 25°C
Part
Number
40ST1021B
Turns Ratio
(±3%)
TX
1CT:1
RX
1CT:1CT
OCL (uH Min)
@100KHz/0.1V
with 8mA DC Bias
350
C
W/W
(pF Max)
28
L.L
(uH Max)
0.4
Rise Time
(nS Typ)
2.5
Insulation
Resistance
(MΩ)
HI-POT
(Vrms)
1500
10,000
Continue
Part
Number
40ST1021B
Insertion Loss
(dB Max)
0.3-100MHz
-1.15
Return Loss
(dB Min)
Cross talk
(dB Min)
60MHz
-40
DCMR
(dB Min)
100MHz
-33
200MHz
-25
0.3-30MHz 30-60MHz 60-80MHz 0.3-60MHz 60-100MHz
-16
-12
-12
-40
-35
Schematic
Mechanical
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434
BOTHHAND [ BOTHHAND USA, LP. ]
