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100 Base-T FIVE port transformer Module
Designed to meet IEEE802.3u requirement
Primary inductance 350uH min with 8mA DC Bias
RoHS Compliant. Operating temperature range:0℃to+70℃ Storage temperature range:-25℃to+125℃
Electrical Specifications @ 25℃
Part Number
Turn Ratio
Tx Rx
BD72A27 1:1 1:1
Insertion Loss
0.5~100MHz (dB Max) -1.0
Return Loss
(dB Min)
0.5-30 30.1-60 60.1-80
MHz MHz
MHz
-16
-14
-12
Cross Talk
(dB Min)
0.5-40 40.1-100
MHz
MHz
-35
-30
CMRR (dBMin) 0.50-100
MHz -30
CWW (pF Max)
28
LK (uH Max)
0.5
DCR (Ω Max)
1.2
Hi-Pot (Vrms)
1500
Mechanical
Schematics
65.5±0.5
YYWW
BD72A27
0.5 1.78
58.74
3
6.5±0.5
3.3
12.1MAX.
Dimension:mm Unless otherwise specified,tolerances:±0.
BD72A27 Datasheet