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10/100/1000Base-T Single Port Transformer
Module
Designed to meet IEEE802.3ab requirement Designed to meet IR 255℃ peak requirement Primary inductance 350uH min with 8mA DC Bias ROHS Compliant Operating temperature range:0℃to+70℃ Storage temperature range:-25℃to+85℃
Electrical Specifications @ 25℃
Part Number
Turn Ratio
Tx
Rx
QT24A12 1CT:1CT 1CT:1CT
Insertion Loss
(dB Max)
1~100Mz
-1.0
1-30 MHz
-18
Return Loss (dB Min)
40 MHz
-14.4
50 MHz
-13.1
60-80 MHz
-12
Cross Talk
DCMR
(dB Min)
(dB Min)
Hi-Pot
100
30
60 100
30
(Vrms)
60
100
MHz MHz MHz MHz MHz MHz MHz
-10 -45 -40 -35 -43 -37 -33 1500
Mechanical
Schematics
12.1
16±0.5 2.29
16.5
17.58±0.5 0.75
YYWW
QT24A12
1.27
0.46
1.27
13.
QT24A12 Datasheet