Si3473/72 Data Sheet Octal or Quad 2-pair 802.3bt.
SI3473DV - P-Channel 12-V (D-S) MOSFET
Si3473DDV - P-Channel 12 V (D-S) MOSFET
Si3473 - Octal or Quad 2-pair 802.3bt Ethernet Port PoE PSE Controller
SI3473CDV - P-Channel MOSFET