What's the difference between Littelfuse and STMicroelectronics?

Littelfuse is a niche in Power Semiconductors (incl. SiC, GaN) based in United States; STMicroelectronics is a major in Integrated Device Manufacturer based in Switzerland. Both operate in the Analog, Power, RF segment.

Who are Littelfuse's and STMicroelectronics's suppliers?

wafergraph tracks 0 suppliers for Littelfuse and 5 for STMicroelectronics; STMicroelectronics's include Soitec, TSMC, ROHM.

Littelfuse vs STMicroelectronics

Littelfuse's primary segment is Power Semiconductors (incl. SiC, GaN); STMicroelectronics's is Integrated Device Manufacturer. STMicroelectronics is larger by market cap ($47.2B vs $10.8B). STMicroelectronics reports higher tracked revenue ($11.8B vs $1.2B).

See all 87 Analog, Power, RF companies →

Track the chain

What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.

Subscribe to the free weekly briefing →

Free · no login · 615 companies, updated weekly

Side-by-side

	Littelfuse	STMicroelectronics
Market cap	$10.8B	$47.2B
Revenue	$1.2B (FY2017)	$11.8B (FY2025)
Primary segment	Power Semiconductors (incl. SiC, GaN)	Integrated Device Manufacturer
Market position	niche	major
Country	United States	Switzerland
Tracked suppliers	0	5
Tracked customers	1	16
Chokepoint / criticality	50/100	68/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How Littelfuse and STMicroelectronics compare

Size: STMicroelectronics is the larger company by market cap.
Revenue: STMicroelectronics reports higher tracked revenue.
Supply-chain criticality: STMicroelectronics has the higher chokepoint score (68/100 vs 50/100).
Footprint: Littelfuse (United States) vs STMicroelectronics (Switzerland).

Company hubs

Littelfuse · STMicroelectronics · Analog, Power, RF segment

Open the interactive comparison tool →

Cite as: wafergraph, “Littelfuse vs STMicroelectronics”, https://wafergraph.com/compare/littelfuse-vs-stmicro (data as of 2026-10-09).

Frequently asked questions3

Is Littelfuse bigger than STMicroelectronics?: STMicroelectronics is larger by market cap ($47.2B vs $10.8B).
What's the difference between Littelfuse and STMicroelectronics?: Littelfuse is a niche in Power Semiconductors (incl. SiC, GaN) based in United States; STMicroelectronics is a major in Integrated Device Manufacturer based in Switzerland. Both operate in the Analog, Power, RF segment.
Who are Littelfuse's and STMicroelectronics's suppliers?: wafergraph tracks 0 suppliers for Littelfuse and 5 for STMicroelectronics; STMicroelectronics's include Soitec, TSMC, ROHM.