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LAN Transformer
Low-Profile PCMCIA Transformer
2.5G Base-T Lan Transformer

2.5G Base-T Lan Transformer

Shop LINK-PP 2.5G Base-T PCMCIA LAN transformers—discrete multi-gig Ethernet magnetics in low-profile packages for height-limited copper boards above Gigabit. This leaf lists PCMCIA-height SMD magnetics for designs that keep the RJ45 jack separate from the transformer on slim PCBs. Return to the LAN Transformer hub, open the parent Low-Profile PCMCIA Transformer leaf, or browse sibling 1000 Base-T PCMCIA and 5G Base-T PCMCIA. Match package height, 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 PCMCIA LAN transformer on this page?
This leaf lists LINK-PP low-profile / PCMCIA-height discrete Ethernet magnetics rated for 2.5G Base-T copper channels. Packages keep the RJ45 jack separate from the transformer for thin PC Card and slim NIC boards. Return to the LAN Transformer hub or the parent Low-Profile PCMCIA Transformer leaf.
02.How do I choose 2.5G Base-T PCMCIA magnetics vs other PCMCIA speeds?
Select 2.5G Base-T low-profile magnetics when your PHY runs above Gigabit on copper in a height-limited layout. For Gigabit PCMCIA see 1000 Base-T PCMCIA; for 5G PCMCIA see 5G Base-T PCMCIA. Confirm height, turns ratio, and PoE class on the datasheet.
03.Can Low-Profile PCMCIA LAN transformers support PoE?
Some low-profile magnetics support PoE or PoE+; support varies by SKU and package height. Check the product page for PoE current rating, isolation voltage, and center-tap guidance before you finalize the power budget.
04.Are LINK-PP PCMCIA magnetics Compatible with Pulse, Bel, Bothhand, or Würth PNs?
Yes—many listings map common OEM low-profile / PCMCIA magnetics PNs to the equivalent LINK-PP P/N. Open the Compatible product page for your OEM PN, compare height, pinout, and electricals, then order the LINK-PP part. Contact support if your PN is missing.
05.Integrated RJ45 or Low-Profile PCMCIA magnetics—which should I pick?
Use low-profile discrete magnetics from this leaf when height is critical and the jack sits separately. Prefer a one-piece Integrated RJ45 when you want magnetics, LEDs, and shielding in a single magjack. Stack height and BOM preference usually decide.

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