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LAN Transformer
Quad Port Lan Transformer

Quad Port Lan Transformer

Shop LINK-PP quad-port LAN transformers (discrete Ethernet magnetics) for four-channel PHY isolation on multi-port switch and NIC boards. This leaf focuses on quad-port SMD and THT magnetics—40-pin and 72-pin packages—for designs that keep RJ45 jacks separate from the transformer. Return to the parent LAN Transformer hub for single- and dual-port options, or open Integrated RJ45 for one-piece magnetic jacks. Match turns ratio, PoE class, pin count, and packaging on each product page before ordering.

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Frequently asked questions

01.What is a quad-port LAN transformer?
A quad-port LAN transformer is a discrete Ethernet magnetics module for four PHY channels, used when multi-port boards keep RJ45 jacks and magnetics separate. LINK-PP quad-port modules typically cover 10/100 and 10/100/1000 Base-T. See the parent LAN Transformer hub for single- and dual-port options.
02.When should I use quad-port discrete magnetics vs multi-port integrated RJ45?
Choose quad-port discrete magnetics when layout or height keeps transformers inward from the panel. Choose a multi-port RJ45 magjack when you want LEDs and EMI shielding at the board edge in one housing.
03.Which Ethernet speeds do these quad-port magnetics support?
This leaf lists quad-port SMD/THT magnetics for 10/100 and Gigabit Base-T where stocked. Confirm turns ratio, PoE capability, and pinout against your PHY reference design before ordering.
04.Are Pulse, WE, Bel, or Bothhand quad-port LAN transformer PNs available as Compatible parts?
Yes—many listings map OEM quad-port magnetics PNs to LINK-PP equivalents such as LP1164NL and LP5025NL. Open the Compatible product page, confirm pinout and electrical specs, then order the LINK-PP P/N shown.
05.What should I check before ordering a quad-port LAN transformer?
Match pin count, channel mapping, PoE class, operating temperature, and reel/tape or tube packaging to your BOM. Recommended land patterns and electrical tables are on each product page.

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