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ATC Semitec is the UK’s leading distributor of thermal components working with world leading innovative suppliers in the NTC Thermistor, Platinum RTD and Thermostat industries. With our in-depth technical knowledge we support engineers across a wide range of industries with their NPD or product upgrades.

PEPI products
SEKI range of thermostats available from ATC Semitec
Sefuse range of resettable fuses available from ATC Semitec.
Semifuse range of PTC resettable fuses available from ATC Semitec
Matsuo range of precision thermostats available from ATC Semitec
ATc Semitec UK's leading thermal component distributor.
Range of Campini thermostats re available from ATC Semitec


ATC Semitec has over 25 years’ expertise supporting engineers across the world with their temperature sensing and thermal management solutions. Our close customer relationships are built on trust coupled to in-depth technical knowledge achieved through extensive long-term product development programmes with our world leading suppliers.

Our experience will ensure that the very best thermal protection solutions are available for you products. Off-the-shelf or bespoke solutions, we can provide full support from initial design to production.

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Essential Temperature Monitoring for Batteries

April 28, 2022

        In the e-vehicle battery market, battery system designers are under increasing pressure to maximise the conflicting requirements of size, […]

Join us at the Battery Systems Expo in June

April 1, 2022

Join us at the Battery Systems Expo show at the NEC on 29th& 30th June 22, where we will showcasing […]

Battery Thermal Protection at a your finger tips

April 1, 2022

Our new 8 page brochure provides engineers with a quick and easy guide to our temperature sensors and thermal protection […]

New E-motor IP68 Encapsulated Precision RTD Temperature Sensors

February 3, 2022

A new IP68-rated sealed Pt temperature sensor from Heraeus suitable for use in e-motors from ATC Semitec The new IP68-rated […]

Flexible, Accurate – Semitec’s Gold Medal NTC Thermistor

August 13, 2021

If an NTC thermistor could be likened to any sport at the Olympics, then the Semitec JT thermistor would be […]

New Flexible 40 Micron Temperature Sensor

July 28, 2021

Heraeus Nexensos have introduced a new miniature, ultra-thin and flexible temperature sensor element which is only 40 microns thin!  The […]

Accurate Temperature Sensors for Home Heat Recovery Systems

March 10, 2021

Whole house heat recovery ventilation systems are just one of the many ways in which consumers are looking to become […]

Sensors for Extreme Temperature Conditions

February 18, 2021

Reliable thermal protection is critical for machinery or equipment that is operating at extreme temperatures.  Failure at either very high […]

Protection for High Power Battery Packs

August 14, 2020

Safe operation is the top priority for Li-ion batteries. While conventional current fuses only offer protection against high current incidents, […]

Very Fast Response Temperature Sensors

August 9, 2018

ATC Semitec have recently launched some very fast responding temperature sensors (Tc<1s)  ideal for use in gas boilers, electric heaters […]

Smaller, Faster, More Responsive

August 9, 2018

ATC Semitec’s robust glass-bead NT-4 series of thermistors have very high heat resistance and are highly sensitive, making them ideal […]

Semitec F Micro Miniature Temperature Sensors

August 9, 2018

SeMitec’s Fmicro miniature thermistor sensor has been traditionally designed for use within medical applications, but ideal for the emerging wearable […]

SMD PTCs for Automotive Industry

August 9, 2018

ATC Semitec now offers a range of automotive grade SMD NTC thermistors for highly accurate temperature control and monitoring in […]

Superior Miniature Battery Protection

August 9, 2018

SCHOTT have released a miniature range of battery protection devices for use with Li-Ion cells & other battery technologies. SEREB® […]

Surface Mount Ring Temperature sensors -E-Vehicle market

May 10, 2019

ATC Semitec is supporting engineers within the UK’s dynamic E-Vehicle sector, with its STS2 series surface mount ring temperature sensors. […]