BCM4401KFBG Overview
There is a package called 196-BGA that contains it, and you can find it there. It is an electrical component that belongs to the BCM4401 series and is made of copper.
BCM4401KFBG Features

BCM4401KFBG Applications
There are a lot of Broadcom Limited
BCM4401KFBG Controllers Interface ICs applications.

Smart LED Lighting
Portable Appliances
Battery-Operated Devices
Cellular Data Devices
Factory Automation and Process Controls
IrDA transmission control
Remote transmission formatter
Docking
Mobile Monitors
Multi-Function Monitors

Factory Lead Time	22 Weeks
Package / Case	196-BGA
Series	BCM4401
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Function	Adapter
Interface	PCI
Protocol	Ethernet
Standards	IEEE 802.3, 10/100 Base-T PHY
RoHS Status	ROHS3 Compliant