40ST1021A Datasheet, PDF (1/1 Pages) Bothhand USA, LP. – 40PIN SMD ETHERNET 10/100 BASE TX TWO PORT TRANSFORMER

Bothhand USA. e-mail: [e-mail] http://www.bothhandusa.com
40PIN SMD ETHERNET 10/100 BASE TX TWO PORT TRANSFORMER
P/N: 40ST1021A DATA SHEET
Page1/1
Feature
z 40-PIN SMD Package designed to meet IEEE 802.3
& IR requirement .
z Operating Temperature range: 0°C to +70°C.
z Storage temperature range: -25°C to +125°C.
Part
Number
40ST1021A
Electrical Specifications @ 25°C
Turns Ratio
(±5%)
TX
RX
OCL (uH Min)
@ 100KHz/0.1Vrms
with 8mA/DC Bias
CW/W
(pF Max)
L.L
(uH Max)
1CT:1 1CT:1CT
350
28
0.4
Continue
Rise Time
(n s Typ)
2.5
Insulation
Resistance
(MΩ)
10,000
HI-POT
(Vrms)
1500
Part
Number
40ST1021A
Insertion Loss
(dB Max)
Return Loss
(dB Min)
Cross talk
(dB Min)
0.3-100 MHz 0.3-30MHz 30-60MHz 60-80MHz ^{0.3-60MHz 60-100MHz}
-1.15
-16
-12
-10
-40
-35
DCMR
(dB Min) TX/RX
30MHz
-40/-37
60MHz 200MHz
-33/-28 -25/-25
Schematic
Mechanical
462 Boston St - Topsfield, MA 01983 - Phone: [phone] - Fax: [phone]
A4(02/11)