E L E C T R O N I C S I N C .

Enhanced Common Mode Multiport

Module for Switched Hub Transceivers

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

PCA ELECTRONICS, INC.

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

• Optimized for TNETE2004 Switched Hub Chip

• Also recommended for Level One LXT901, 915, & 944

• Robust design allows for toughest soldering processes

• Complies with or exceeds IEEE 802.3, 10Base-T Standards

• Transmit sides are provided with superior Common Mode Attenuation

Schematic

EPE6277AS

Product performance is limited to specified parameters. Data is subject to change without prior notice.

Package

Electrical Parameters @ 25° C

Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25

CSE6277AS

Rev. D1

5/6/03

.050

(1.27)

Solder Pad Layout

PCA

EPE6277AS

Date Code

.480

(12.19)

.670

(17.02)

.050

(1.27)

.030

(.762)

.090

(2.29)

120

21

40

.240

(6.09)

.035

(.889)

.008/.012

(.203/.305)

.600

(15.24)

.005/.015

(.127/.381)

.950

(24.13)

.016/.022

(.406/.559)

1.120

(28.45)

0°-8°

.085

(2.16)

2

1CT :

2

1CT :

2

1CT :

Receive Channels

Transmit Channels

17

16

18

24

23

13

15

14

28

27

2

1CT :

7

6

8

34

33

3

5

4

38

37

22

21

19

20

1:1

11

30

29

12

1:1

1

2

40

39

1:1

9

10

32

31

1:1

Pins 25, 26, 35 and 36 not connected.

Return Loss

(dB Min.)

@ 10

MHz

-50/-20

Xmit/Rcv

@ 50

MHz

-40/-20

Xmit/Rcv

@ 100

MHz

-35/-20

Xmit/Rcv

@ 200

MHz

-25/-20

Xmit/Rcv

5-10 MHz

@ 100

Ω

-20

CMRR

(dB Min.)

Inductance

(µH Min.)

150

@ 100 KHz,

0.1 Vrms

1500

Hipot

(Vrms)

Interwinding

Capacitance

(pF Max.)

12

@ 100 KHz,

0.1 Vrms

Leakage

Inductanc

e(µH Max.)

-35

@ 100 KHz,

0.1 Vrms

-15

5-10 MHz

@ 85

Ω, 115Ω

Crosstalk

(dB Min.)

-45

1-10

MHz