Shenzhen Zhixiangyuan Electronics Co., Ltd.
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Network LAN Transformer SMD 10/100/1000 Base-T Magnetics
1. One is to transmit data. It filters the differential signal sent by the PHY with the differential mode coupling coil coupling to enhance the signal, and couples it to the other end of the connecting network cable of different levels through the conversion of the electromagnetic field;
2. The second is to isolate different levels between different network devices to prevent different voltages from being transmitted through network cables and damage the devices.
In addition, data mercury can also play a certain lightning protection role for the equipment. It is mainly used in network switches, routers, network cards, and hubs for signal coupling, high-voltage isolation, impedance matching, and electromagnetic interference suppression.
Electrical Specification @25℃
Inductance OCL:350uH Min @ 100KHz 0.1V 8mA DC BIAS
Leakage Inductance:0.50uH Max @ 100KHz 0.1V
Interwinding Capacitance:28pF Max @ 100KHz 0.1V
DC Resistance:1.22 Max (16-14,11-9)
Turn Ratio:1CT:1CT(TX)/1CT:1CT(RX)±3%
Polarity:1-16,6-11 In-Phase
Insertion Loss:0.5-100MHz -1.1dB Max
Return Loss:
0.5-30 MHz -18dB Min
30.1-60MHz -18+20log(f/30) dB Min
60.1-80MHz -12dB Min
Cross Talk:
0.5-40MHz -35dB Min
40.1-100MHz -33+20*log(f/50) dB Min
CMRR:0.5-100MHz -30dB Min
Isolation HI-POT:1500VAC 1mA 1S
Operating Temperature:0℃ to 70℃