What is the primary revenue source for Littelfuse (LFUS)?

According to the latest financial reports, the company's revenue is driven by its core business segments and operational services. You can explore the exact breakdown and proportions of each revenue stream using the interactive charts on this page.

How can I visualize and analyze LFUS's financial statements?

gkcal provides interactive Sankey diagrams and profit waterfall charts that map out Littelfuse's total revenue, cost of goods sold, operating expenses, and net income, making it easy to understand their business model and cash flow at a glance.

How Littelfuse Makes Money: LFUS Revenue Breakdown (2026)

Revenue

USD 1.40B

YoY +19.53%

SEC filing item

Source item: Net sales
Statement: Income Statement
Data period: H1 2026
XBRL tag: RevenueFromContractWithCustomerIncludingAssessedTax
Data notes: Matched priority 6 tag RevenueFromContractWithCustomerIncludingAssessedTax. The final-priority tag includes assessed tax and may overstate comparable revenue.; Revenue includes assessed tax.

Largest revenue segment share (Electronics - Passive Products and Sensors)

28.69%

Calculated metric

Source item: Electronics - Passive Products and Sensors
Statement: Income Statement
Data period: H1 2026
Method: segment_value / revenue * 100
Components: revenue

Gross profit

USD 560.21M

YoY +27.52%

SEC filing item

Source item: Gross profit
Statement: Income Statement
Data period: H1 2026
XBRL tag: GrossProfit

Gross margin

40.14%

YoY +2.52pp

Calculated metric

Source item: Gross profit
Statement: Income Statement
Data period: H1 2026
Method: gross_profit / revenue * 100
Components: gross_profit, revenue

Cost of revenue

USD 835.54M

YoY +14.71%

SEC filing item

Source item: Cost of sales
Statement: Income Statement
Data period: H1 2026
XBRL tag: CostOfGoodsAndServicesSold
Data notes: Matched priority 2 tag CostOfGoodsAndServicesSold.

Research and development

USD 60.77M

YoY +15.87%

SEC filing item

Source item: Research and development expenses
Statement: Income Statement
Data period: H1 2026
XBRL tag: ResearchAndDevelopmentExpense

Selling, general and administrative

USD 219.90M

YoY +20.02%

SEC filing item

Source item: Selling, general, and administrative expenses
Statement: Income Statement
Data period: H1 2026
XBRL tag: SellingGeneralAndAdministrativeExpense

Income tax expense

USD 49.24M

YoY +32.20%

SEC filing item

Source item: Income taxes
Statement: Income Statement
Data period: H1 2026
XBRL tag: IncomeTaxExpenseBenefit

Interest expense

USD 12.72M

YoY −27.10%

SEC filing item

Source item: Interest expense
Statement: Income Statement
Data period: H1 2026
Data notes: No registered tag matched; used an exact normalized label fallback.

Operating income

USD 220.89M

YoY +35.57%

SEC filing item

Source item: Segment operating income
Statement: Income Statement
Data period: H1 2026
XBRL tag: OperatingIncomeLoss

Operating margin

15.83%

YoY +1.87pp

Calculated metric

Source item: Segment operating income
Statement: Income Statement
Data period: H1 2026
Method: operating_income / revenue * 100
Components: operating_income, revenue

Net income

USD 164.55M

YoY +63.06%

SEC filing item

Source item: Net income
Statement: Income Statement
Data period: H1 2026
XBRL tag: NetIncomeLoss

Net margin

11.79%

YoY +3.15pp

Calculated metric

Source item: Net income
Statement: Income Statement
Data period: H1 2026
Method: net_income / revenue * 100
Components: net_income, revenue

Financial Insights

Please select a report to view

Where did the money come from, and where was it spent?

Where is the money tied up, and how is the company financed?

Did accounting profit ultimately turn into cash?

Did the money earned actually make its way back to shareholders?