40 PIN SMD EHTERNET 10/100 BASE-TX TWO PORT TRANSFORMER

P/N: 40ST1028 DATA SHEET

Page : 1/1

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

A6(02/06)

Feature

40 PIN SMD package & designed to Meet 802.3u

standards.

Insulation Resistance : 10,000 M•.

Operating temperature range: 0°C TO +70°C.

Electrical Specifications @ 25°C

Turns Ratio

(±5%)

Part

Number

TX

RX

OCL(•H Min)

@100KHz/0.1Vrms

8mA DC/Bias

Leakage Inductance

(•H Max)

CW/W

(pF Max)

HI-POT

(Vrms)

40ST1028

1CT:1

1CT:1CT

350

0.4

28

1500

Continue

Insertion Loss

(dB Max)

Return Loss

(dB Min)

Cross talk

(dB Min)

DCMR

TX/RX(dB Min)

Part

Number

0.3–100MHz

0.3-30MHz

30-60MHz

60-80MHz

0.3-100 MHz

1-60MHz

60 -200MHz

40ST1028

-1.15

-16

-12

-10

-38

-37

-25

Schematic

Mechanical