Bel Fuse Inc. (BELFB) vs Power Integrations, Inc. (POWI)

A side-by-side comparison of Bel Fuse Inc. and Power Integrations, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total return — BELFB vs POWI

growth of $100 · dividends reinvested · last 10y
BELFB +1101.2% (+28.2%/yr)POWI +95.8% (+6.9%/yr)BELFB compounded faster over this window
Log scale — wide-divergence pair
101001k10kStart $10020182020202220242026$1,201$196
BELFB POWI

BELFB vs POWI: by the numbers

  • •BELFB is the larger company ($3.15B vs $3.00B market cap).
  • •BELFB trades at the lower trailing earnings multiple (65.04 vs 121.11 P/E), one valuation lens rather than an overall verdict.
  • •BELFB converts more revenue to profit (8.12% vs 5.58% net margin).
  • •BELFB grew revenue faster over the past five years (8.72% vs -6.41% CAGR).
  • •POWI pays the higher dividend yield (1.59% vs 0.11%).

Metrics side by side

Valuation

MetricBELFBPOWI
P/E ratio65.04121.11
Forward P/E26.4738.48
PEG ratio1.69N/A
P/S ratio4.236.68
P/B ratio3.464.41
EV / EBITDA19.2952.63
FCF yield2.33%2.63%

Profitability

MetricBELFBPOWI
Gross margin39.52%53.64%
Operating margin16.44%7.93%
Net margin8.12%5.58%
ROE6.64%3.68%
ROIC9.24%5.00%

Dividends

MetricBELFBPOWI
Dividend yield0.11%1.59%
Payout ratio7.00%192.22%

Growth (annualized)

MetricBELFBPOWI
Revenue CAGR (5Y)8.72%-6.41%
EPS CAGR (5Y)38.52%-20.00%
FCF CAGR (5Y)26.79%9.62%
Total return CAGR (5Y)84.87%-10.19%

Frequently asked

Which has the lower trailing P/E, BELFB or POWI?
BELFB has the lower trailing P/E: BELFB trades at 65.04 and POWI at 121.11. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, BELFB or POWI?
Over the past five years, BELFB grew revenue faster — BELFB at a 8.72% CAGR versus POWI at -6.41%.
Does BELFB or POWI pay a bigger dividend?
BELFB yields 0.11% and POWI yields 1.59% based on trailing dividends and the latest price.
Is BELFB or POWI more profitable?
BELFB runs the higher net margin — BELFB at 8.12% versus POWI at 5.58%.
How have BELFB and POWI total returns compared?
Over the past 10 years, BELFB delivered 27.75% and POWI delivered 6.56% annualized total return. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.