Littelfuse (LFUS) is drawing attention after reporting strong momentum in data center demand and a surge in new design wins in 2025, with data center projects contributing a larger share of sales.

The share price has climbed to US$382.87 after a strong run, with a 10.48% 7 day share price return, 17.38% 30 day share price return, and a 1 year total shareholder return of 149.26%, suggesting momentum is building as investors reassess Littelfuse's data center exposure alongside recent design win updates.

If data center demand has your attention, it can be useful to see what else is moving in related areas and check out 36 AI infrastructure stocks

With Littelfuse now trading around US$382.87 after a sharp run and sitting slightly above the average analyst price target, the key question for you is whether there is still a buying opportunity here or if markets are already pricing in future growth.

Most Popular Narrative: 4.3% Overvalued

At $382.87, Littelfuse is trading above the most followed fair value estimate of $367, which is built on detailed growth and margin forecasts using an 8.6% discount rate.

The rapid buildout of renewable energy infrastructure, grid storage, and sustainable grid ecosystems is resulting in double-digit sales growth and a robust opportunity pipeline for Littelfuse, positioning the company to benefit from continued secular tailwinds and expanding its addressable market, which should positively impact both revenues and margins.

Curious how this story translates into that $367 fair value? The narrative leans on rising electrification, higher content per device, and a future profit multiple that assumes stronger earnings power than today.

Result: Fair Value of $367 (OVERVALUED)

However, you also need to weigh risks such as ongoing softness in power semiconductors and exposure to cyclical auto and industrial demand, which could pressure margins.

Next Steps

With mixed signals across data centers, valuations and cyclically exposed end markets, it makes sense to review the numbers yourself and move quickly while sentiment is active, starting with the 1 key reward and 1 important warning sign.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.