Bothhand USA. e-mail: sales@bothhandusa.com http://www.bothhandusa.com
10/100 BASE-TX LAN MAGNETICS FOR AUTO MDI/MDIX APPLICATION
P/N:20PT1024 DATA SHEET Page : 1/1
462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434
A1(02/06)
Feature

l Compliant with IEEE 802.3u and ANSI X3.263 standards
including 350ìH OCL with 8mA Bias.
l Symmetrical TX and RX channels for Auto MDI/MDIX
capability.
l Approved for use with the Broadcom BCM 5226 and Level
One LXT9784.
l Operating temperature range : 0°C to +70°C.
l Storage temperature range: -25°C to +125°C.
Electrical Specifications @ 25°C
Turns Ratio
(±5%)
Part
Number
TX RX
OCL(ìH Min)
@100KHz/0.1Vrms
8mA DC/Bias
Cw/w
(pF Max)
Insulation Resistance
(MÙ) @ 50Vdc
DCR
(TX /RX)
(Ù Max)
HI-POT
(Vrms)
20PT1024 1CT:1CT 1:1 350 50 10,000 0.9 1500
Continue
Insertion
Loss
(dB Max)
Return Loss
(dB Min)
Cross talk
(dB Min)
DCMR
(dB Min)
Part
Number
0.3–100MHz 0.3-30MHz 30-60MHz 60-80MHz 0.3-60MHz 60-100MHz 0.3-30MHz 30-60MHz 60-100MHz
20PT1024 -1.1 -18 -14 -12 -40 -35 -38 -33 -30
Schematic Mechanical