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100 Base-T Quad 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℃
Part Number
Turn Ratio
Tx Rx
BD40A02 1:1 1:1
Insertion Loss
0.5~100MHz (dB Max)
-1.0
Mechanical
Electrical Specifications @ 25℃
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 (dB Min) 0.50-100
MHz -30
CWW (pF Max)
56
LK (uH Max)
0.5
DCR (Ω Max)
1.2
Schematics
Hi-Pot (Vrms)
1500
37.8±0.5
YYWW
BD40A02
1.78
0.5
33.82
0.9 1.78
4.8
Dimension:mm Unless otherwise specified,tolerances:±0.25(mm) Data sheet subject to change without notice
3 4.
BD40A02 Datasheet