10 BASE QUAD PORT PULSE TRANSFORMERS
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434
40-PIN SMD package compatible with IEEE 802.3 standard & for
the new technology “ Filterless ” transceiver chips
Designed for multiport repeater and switched Ethernet applications
utilizing single RJ-45 connectors
Low profile, surface mount packaging rated to 235℃ peak IR reflow
temperature
Isolation Voltage : 1500Vrms
BOTHHAND
USA.
Electrical Specifications @ 25℃Operating Temperature range: 0℃to +70℃
“*”
1.Peak Pulse Rating : 50Volts
2.Dissipation Rating :75mW
3.Insulation Resistance : 10,000MΩ
Part
Number
40ST6489B*
40ST6489B-1
40ST6489G
40ST8050B*
40ST8050C$
40ST8050D$
40ST8051B*
40ST8052$
40ST8054*
40ST8056
40ST8062*
40ST8062A$
Part
Number
40ST6489B-1
40ST6489G
Turn Ratio
(Pri:Sec)
Transmit
1CT:1.41CT
1CT:1.41CT
1CT:1.414
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1.41CT
1CT:1.41CT
Insertion Loss
(dB Max.)
0.3-10MHz
-1.0
-
Receive
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
Return Loss
(dB Min.)
10-20MHz
-18
-15
Primary OCL
(μH Min)
140
100
200
80-130
150
150
100±20%
150
140
100
140
150
Cross Talk
(dB Min)
0.3-10MHz
-40
-
L.L
(μH Max)
0.4/0.4
0.4/0.4
-
0.4/0.4
0.3/0.3
0.3/0.3
0.4/0.4
0.3
0.3
0.55
0.4/0.4
0.4/0.4
Cw/w
(pF Max)
15
15
-
12
10
10
12
10
12
20
15
18
“$” Return Loss(5-10MHz): -20@100Ω , -15 @ 98±13Ω
40ST8050C$
40ST8050D$
40ST8052 $
40ST8062A$
0.5 TYP
-0.5
-0.5
-
-
-
-
-
-35
-35
-35
-
Common to Common Mode Rejection
(dB Min)
10-20MHz
100MHz
-40
-30
1-100MHz
Transmit
Receive
-25
-20
5MHz 10MHz 50MHz 100MHz 200MHz
-60
-50
-35
-25
-20
-60
-50
-35
-25
-20
-60
-50
-34
-25
-
-60
-50
-30
-25
-20
Bothhand USA
.
e-mail: sales@bothhandusa.com http://www.bothhand.com
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434
BOTHHAND [ BOTHHAND USA, LP. ]
