UNIVERSAL MICROELECTRONICS CO.,LTD.

3,27TH RD.,TAICHUNG INDUSTRIAL PARK,

TEL:886-4-23590096 FAX:886-4-23590129

TAICHUNG,TAIWAN,R.O.C

http://www.umec-web.com

E-mail:business@umec.com.tw

DATA SHEET

SPECIFICATIONS

REV.

UM MODEL NO.:

UT12002

10/100BASE-T SINGLE PORT

SURFACE MOUNT MAGNETICS

A3

02/42

Features:

1. Meets IEEE 802.3 and ANSI X.3.263 standards including 350uH OCL with 8mA bias.

2. Designed for reflow soldering at temperature 230

3. Compact footprint for use in the most space restrictive applications.

4. Turns Ratio tolerance:

±5%

5. Operating temperature: -40

Electrical Specification @25

1. Insertion Loss : -1.1dB Max. @ 0.10--100MHz. TX/RX

2. Return Loss : -20dB Min. @ 30MHz. TX/RX

-14dB Min. @ 60MHz. TX/RX

-11.5dB Min. @ 80MHz. TX/RX

3. Diff. to Com. Mode Rejection : -42dB Min. @ 30MHz. TX/RX

-37dB Min. @ 60MHz. TX/RX

-33dB Min. @ 100MHz. TX/RX

4. Cross Talk : -45dB Min. @ 30MHz. TX to RX

-40dB Min. @ 60MHz. TX to RX

-35dB Min. @ 100MHz. TX to RX.

5. HI-POT : 1500Vrms/2sec. Leakage Current 0.5mA Max./input to output.

Dimensions & Schematic:

NOTE: 1. Packaging information-tape and reel according to item no. “SO16A” of data sheet 01-00

2. Specifications are subject to change without prior notice.

UNIT: mm

Tolerances:

±0.25mm

E10-007-C

Suggested pad layout

Coplanarity: 0.1mm

TRANSMIT

8

7

6

3

2

1

1CT:1CT

1CT:1CT

RECEIVE

10

15

9

11

14

16