STE · Songtian

30+ years of focus.Safety capacitors.Circuit protection.

Recognized under China’s national “Little Giant” program, STE develops and manufactures high-quality ceramic capacitors, film capacitors, varistors and thermistors, in leaded and surface-mount packages.

55
Product series
17,903
STE part numbers
75,000 m²
R&D and production site
4 billion
Annual output
Products

Leaded and surface mount. Safety and automotive.

From power supplies and appliances to industrial and automotive electronics: components for EMI suppression, surge protection and temperature sensing.

4 product lines · 55 series · 17,903 part numbers

SMD and automotive series are included in the product lines above.

Company film · 2026

Inside the Shantou plant, in under five minutes.

The film follows safety capacitors, varistors and NTC thermistors through the main production and test steps.

04:55
Full film
Manufacturing · test · quality
Covers
English
Narration & subtitles
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Quality

Quality systems. Laboratory capability.

Management-system certificates and laboratory credentials. Approval scope as stated on each certificate.

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Management systems

IATF 16949 · ISO 45001:2018 · ISO 14001:2015 · ISO 9001:2015

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Product approvals

Find datasheets, approval certificates and certificate numbers for each product series.

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About STE

Developed, produced and tested in Shantou.

R&D and production share one 75,000 m² site: Songtian Science and Technology Park in the Shantou Bonded Zone, with an east and a west campus.

  • IATF 16949 automotive quality management system
  • UL 1449 / UL 60384-14 WTDP laboratory (701335-001)
  • CNAS L24638 accredited test center (ISO/IEC 17025)
  • In-house electrical, mechanical, climatic and environmental-compliance testing
Meet STE
Global service network

From Shantou. Connected to the world.

Connect with STE for component selection, specification checks, samples and project discussions.

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Connections from STE in Shantou to markets in Europe, the Americas and Asia GermanyItalySpainUnited StatesBrazilIndiaJapanSouth KoreaSoutheast Asia Shantou · STE
Shantou · STE · Global
Distributor support in Southeast Asia

STE works with distributors in Southeast Asia. Contact us to connect with the distributor serving your region.

The map shows market connections. The Southeast Asia marker represents a regional distributor network.

Explore typical circuit functions

Switch-mode power supplies and chargers

X2 and Y capacitors in the input EMI filter; NTC thermistors for inrush current limiting; varistors for surge protection at the AC input.

Household appliances

Film and ceramic safety capacitors for mains filtering and interference suppression; varistors to absorb surges at the power input; NTC thermistors for temperature sensing.

Industrial equipment and converters

DC-link film capacitors to support the DC bus; medium- and high-voltage ceramic capacitors at high-voltage nodes; varistors for surge protection.

Automotive electronics

Automotive series: CY-A, CE-A, MPX/X2-A, MPK/X1-A, MPY/Y2-A and Q-A.

Renewable energy

DC-link film capacitors on the DC side of solar and storage inverters; varistors for surge protection on the AC side.

News

Products, approvals and trade fairs.

Product releases, new approvals and trade-fair dates.

STE at electronica China 2026

Events

STE at electronica China 2026

STE showed passive components for automotive, energy, industrial automation, communications and high-power-density applications at electronica China 2026 in Shanghai on 1–3 July.

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Sales & technical support

Need samples, datasheets or a quotation?

Tell us the series or part number, the application and your annual volume. STE sales will reply by email.

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