Press Releases June 30, 2026 11:00 AM

Vishay Intertechnology SMD Polymer PTC Thermistors Deliver Fast Resettable Overcurrent Protection While Improving Efficiency

Vishay Intertechnology expands overcurrent protection product lineup with new space-saving, high-efficiency polymer PTC thermistors

By Caleb Monroe
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Vishay Intertechnology announced the launch of six new surface-mount polymer PTC thermistor series designed to deliver fast, resettable overcurrent protection and improve efficiency across various applications including computing, industrial, and consumer electronics. These new devices feature compact sizes, high holding currents, low resistance, and compliance with lead-free soldering standards, supporting a wide range of industries from telecommunications to home automation.

Vishay Intertechnology SMD Polymer PTC Thermistors Deliver Fast Resettable Overcurrent Protection While Improving Efficiency
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Key Points

  • Introduction of six new polymer PTC thermistor series enhancing resettable overcurrent protection capabilities.
  • Devices offer compact sizes with high holding currents up to 5.0 A and fast trip times down to 50 ms, optimizing board space and efficiency.
  • Applications span computer USB-C ports, Power over Ethernet, industrial tools, automation systems, and consumer appliances, impacting multiple sectors including computing, industrial automation, and consumer electronics.

MALVERN, Pa., June 30, 2026 (GLOBE NEWSWIRE) -- Vishay Intertechnology, Inc. (NYSE: VSH) today announced that it has extended its overcurrent protection portfolio with the introduction of six new surface-mount polymer positive temperature coefficient (PTC) thermistor series designed to save board space and increase efficiency in computer, industrial, and consumer applications.

The Vishay BCcomponents PPTC0603E3, PPTC0805E3, PPTC1206E3, PPTC1210E3, PPTC1812E3, and PPTC2920E3 series provide resettable overcurrent protection in low voltage circuits for computer USB-C ports; power over Ethernet (PoE) applications for computer peripherals and telecom equipment; battery-powered industrial tools and consumer devices and appliances; industrial automation systems; and home automation heating controls.

For these applications, the thermistors combine high holding current to 5.0 A with fast trip times down to 50 ms, while low resistance down to 5 mΩ reduces voltage drop and improves efficiency. To minimize board space requirements, the devices are offered in six compact case sizes from 0603 to 2920, with low heights ranging from 0.3 mm to 2 mm.

RoHS-compliant and halogen-free, the PPTC0603E3, PPTC0805E3, PPTC1206E3, PPTC1210E3, PPTC1812E3, and PPTC2920E3 series are compatible with lead (Pb)-free soldering processes up to 260 °C. SPICE and 3D models of the thermistors are available to support designers during development.

Device Specification Table:

Part #PPTC0603E3PPTC0805E3PPTC1206E3PPTC1210E3PPTC1812E3PPTC2920E3Case size060308051206121018122920Ihold (A)0.02 to 0.50.05 to 0.750.05 to 1.10.05 to 1.50.14 to 2.60.5 to 5.0Itrip (A)0.06 to 1.00.15 to 1.50.15 to 2.20.15 to 3.00.34 to 51 to 10Vmax (VDC)6 to 606 to 308 to 606.0 to 908 to 6015 to 60Imax (A)4040 to 10010 to 10010 to 10010 to 10010 to 40PD typ.
(W)0.50.5 to 0.60.6 to 0.80.6 to 1.50.8 to 11.5 to 2Max. trip time (s)0.08 to 1.00.10 to 1.50.1 to 1.50.1 to 1.50.15 to 2.50.30 to 20Rmin. (Ω)0.1 to 120.09 to 3.60.04 to 3.60.04 to 3.60.015 to 1.50.005 to 4.0R1 max. (Ω)0.68 to 700.35 to 200.21 to 200.11 to 500.047 to 60.025 to 1.4


Samples and production quantities of the new PTC thermistors are available now, with lead times of 12 weeks.

# # #

Vishay manufactures one of the world’s largest portfolios of discrete semiconductors and passive electronic components that are essential to innovative designs in the automotive, industrial, computing, consumer, telecommunications, military, aerospace, and medical markets. Serving customers worldwide, Vishay is The DNA of tech.® Vishay Intertechnology, Inc. is a Fortune 1000 Company listed on the NYSE (VSH). More on Vishay at www.Vishay.com.

The DNA of tech® is a registered trademark of Vishay Intertechnology, Inc.

Vishay on Facebook: http://www.facebook.com/VishayIntertechnology
Vishay Twitter feed: http://twitter.com/vishayindust

Links to product datasheets:
http://www.vishay.com/ppg?29254  (PPTC0603E3)
http://www.vishay.com/ppg?29255  (PPTC0805E3)
http://www.vishay.com/ppg?29256  (PPTC1206E3)
http://www.vishay.com/ppg?29257  (PPTC1210E3)
http://www.vishay.com/ppg?29258  (PPTC1812E3)
http://www.vishay.com/ppg?29259  (PPTC2920E3)

Link to product photo:
https://www.flickr.com/photos/vishay/albums/72177720333673949

For more information please contact:
Vishay Intertechnology
Peter Henrici, +1 408 567-8400
[email protected]
 or
Redpines
Bob Decker, +1 415 409-0233
[email protected]


Risks

  • Lead times for the new products are 12 weeks, potentially affecting supply chain and customer adoption speed.
  • Dependence on specific market segments such as computing, industrial, and consumer electronics could expose company to demand fluctuations in these sectors.
  • Competition in the semiconductor and discrete components market might limit the market share growth of these new thermistors.

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