40PIN SMD ETHERNET 10/100 BASE TX TWO PORT TRANSFORMER

P/N: 40ST1021A DATA SHEET

Page1/1

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

A4(02/11)

Feature

40-PIN SMD Package designed to meet IEEE 802.3

& IR requirement .

Operating Temperature range: 0°C to +70°C.

Storage temperature range: -25°C to +125°C.

Electrical Specifications @ 25°C

Turns Ratio

(±5%)

Part

Number

TX

RX

OCL (uH Min)

@ 100KHz/0.1Vrms

with 8mA/DC Bias

(pF Max)

L.L

(uH Max)

Rise Time

(n s Typ)

Insulation

Resistance

(MΩ)

HI-POT

(Vrms)

40ST1021A

1CT:1

1CT:1CT

350

28

0.4

2.5

10,000

1500

Continue

Insertion Loss

(dB Max)

Return Loss

(dB Min)

Cross talk

(dB Min)

DCMR

(dB Min) TX/RX

Part

Number

0.3-100 MHz 0.3-30MHz 30-60MHz 60-80MHz 0.3-60MHz 60-100MHz

30MHz

60MHz

200MHz

40ST1021A

-1.15

-16

-12

-10

-40

-35

-40/-37

-33/-28

-25/-25

Schematic

Mechanical