10 BASE QUAD PORT PULSE TRANSFORMERS

BOTHHAND

USA.

462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434

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

Electrical Specifications @ 25℃Operating Temperature range: 0℃to +70℃

“*” 1.Peak Pulse Rating : 50Volts

2.Dissipation Rating :75mW

3.Insulation Resistance : 10,000MΩ

Turn Ratio

(Pri:Sec)

Part

Number

Transmit

Receive

Primary OCL

(μH Min)

L.L

(μH Max)

Cw/w

(pF Max)

40ST6489B*

1CT:1.41CT

1:1

140

0.4/0.4

15

40ST6489B-1

1CT:1.41CT

1:1

100

0.4/0.4

15

40ST6489G

1CT:1.414

1:1

200

-

-

40ST8050B*

1CT:1CT

1:1

80-130

0.4/0.4

12

40ST8050C$

1CT:1CT

1:1

150

0.3/0.3

10

40ST8050D$

1CT:1CT

1:1

150

0.3/0.3

10

40ST8051B*

1CT:1CT

1:1

100±20%

0.4/0.4

12

40ST8052$

1CT:1CT

1:1

150

0.3

10

40ST8054*

1CT:1CT

1:1

140

0.3

12

40ST8056

1CT:1CT

1:1

100

0.55

20

40ST8062*

1CT:1.41CT

1:1

140

0.4/0.4

15

40ST8062A$

1CT:1.41CT

1:1

150

0.4/0.4

18

Insertion Loss

(dB Max.)

Return Loss

(dB Min.)

Cross Talk

(dB Min)

Common to Common Mode Rejection

(dB Min)

Part

Number

0.3-10MHz

10-20MHz

0.3-10MHz

10-20MHz

100MHz

40ST6489B-1

-1.0

-18

-40

-40

-30

40ST6489G

-

-15

-

1-100MHz

Transmit

Receive

“$” Return Loss(5-10MHz): -20@100Ω , -15 @ 98±13Ω

-25

-20

5MHz 10MHz 50MHz 100MHz 200MHz

40ST8050C$

0.5 TYP

-

-35

-60

-50

-35

-25

-20

40ST8050D$

-0.5

-

-35

-60

-50

-35

-25

-20

40ST8052 $

-0.5

-

-35

-60

-50

-34

-25

-

40ST8062A$

-

-

-

-60

-50

-30

-25

-20