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LAN Transformer
Quad Port Lan Transformer
2.5G Base-T Lan Transformer

2.5G Base-T Lan Transformer

Shop LINK-PP 2.5G Base-T quad-port LAN transformers (discrete multi-gig Ethernet magnetics) for four-channel PHY isolation above Gigabit on copper switch and NIC boards. This leaf lists quad-port SMD magnetics modules for designs that keep RJ45 jacks separate from the transformer on the PCB. Return to the LAN Transformer hub, browse sibling 1000 Base-T Quad or 5G Base-T Quad, or open the parent Quad Port LAN Transformer leaf. Match turns ratio, PoE class, CMC, and pin count on each product page before you order.

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Frequently asked questions

01.What is a 2.5G Base-T quad-port LAN transformer on this page?
This leaf lists LINK-PP discrete Ethernet magnetics modules rated for 2.5G Base-T quad channels—quad-port packages that keep the RJ45 jack separate from the transformer. Return to the LAN Transformer hub or the parent Quad Port LAN Transformer leaf for related speeds.
02.How do I choose 2.5G Base-T Quad magnetics vs other Quad speeds?
Select 2.5G Base-T quad-port magnetics when your PHY runs above Gigabit on copper and you need four channels in one package. For Gigabit quad-port see 1000 Base-T Quad; for 5G quad-port see 5G Base-T Quad. Confirm turns ratio and PoE class on the datasheet.
03.Can these LAN transformers support PoE / PoE+ / PoE++?
Many LINK-PP magnetics modules are specified for PoE, PoE+, or higher power classes; support varies by SKU. Check the product page for PoE current rating, isolation voltage, and recommended center-tap wiring before you finalize the power budget.
04.Are LINK-PP LAN transformers Compatible with Pulse, Halo, Bothhand, or Würth PNs?
Yes—many listings map common OEM magnetics PNs (Pulse, Halo, Bothhand, Würth, and others) to the equivalent LINK-PP P/N. Open the Compatible product page for your OEM PN, compare pinout and electricals, then order the LINK-PP part. Contact support if your PN is missing.
05.Integrated RJ45 or discrete LAN transformer—which should I pick?
Use discrete magnetics from this leaf when the jack and transformer are separate on the PCB. Prefer a one-piece Integrated RJ45 when you want magnetics, LEDs, and shielding in a single magjack. Mechanical height, EMI, and BOM preference usually decide.

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