THERMISTORS, RTDS AND THERMOSTATS FROM THE UK MARKET LEADER
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.
HELPING ENGINEERS ACHIEVE THEIR NET ZERO GOALS
At ATC Semitec, we provide a range of fast-response, highly accurate temperature sensors designed to support engineers worldwide in creating products that drive energy efficiency. Our solutions not only help consumers reduce costs but also minimise their carbon footprint and contribute to a more sustainable future.
Our product offerings include everything from simple NTC thermistors that control domestic heating thermostats and smart systems, to NTC and RTD sensor assemblies used in domestic heating systems, including boilers and heat pumps, as well as industrial applications. These sensors play a critical role in efficiently managing temperature to optimise energy usage.
As part of our commitment to sustainability, ATC Semitec is on its own Pathway to Net Zero. We’ve implemented decarbonisation strategies and have been proudly awarded the Ecovadis Gold Award for our efforts. Learn more about our Environmental Policy here.
Our expertise, combined with innovative, high-quality products, ensures that we deliver reliable and sustainable solutions for our customers.
Cost-Effective Alternative Thermal Protectors
July 17, 2026SEKI Controls High Quality, Value-for-Money Thermal Cut-Outs As rising energy and precious metal costs continue to influence component pricing worldwide, and […]
Using Temperature Sensors to Combat Moisture, Condensation & Mould.
January 30, 2026How Semitec’s 103AT-11 helps with Awaab’s Law The recent introduction of Awaab’s law, has seen both HVAC engineers and landlords, […]
Calibrating NTC Thermistors to improve accuracy
November 7, 2025A recent enquiry from a customer posed this interesting question. From the datasheets it sounds like NTC thermistors can be […]
Sensors for measuring temperature of fluid in pipes
August 22, 2025A recent inquiry shows the breadth of our range… Do you have any sensors suitable for measuring temperature of fluid […]
Which over-temperature control should I use?
August 21, 2025A query from a recent customer might provide insight to others…. We have an application running at 250VAC/10A which requires […]
How do you recommend we mount an NTC sensor?
August 21, 2025Good thermal contact & secure mounting of NTC sensors ensure accurate and reliable temperature measurement and control.
New Air Sensing Control From ATC Semitec
July 21, 2025Maximum Cost & Protection – Minimal Cost ATC Semitec have introduced the new dual voltage SEKI ST-12P self-hold bi-metal thermal protector to their range.This […]
Anything Thinner Than a Semitec 103JT NTC?
July 17, 2025Our ultra-thin Semitec FJ Series has a 0.25mm profile.
Fast, Non-Intrusive Sensing, Control & Protection
March 18, 2025For fast and accurate control and protection of liquids with quick easy installation use ATC Semitec’s BTS3 NTC.
Enhance Your Thermal Protection with the PEPI H9 Bimetal Thermal Fuse
July 24, 2024When your application demands the very best in thermal protection, the PEPI H9 series offers unparalleled over-temperature protection. With high-temperature […]
High Precision Temperature Sensing Assemblies
April 5, 2024When fast, accurate temperature sensing is required, ATC Semitec have a wide range of versatile NTC temperature sensor assemblies to choose from.
Semitec FT Series – The Future In Temperature Sensing
January 6, 2023As one of the world’s thinnest temperature sensors, the Semitec FT outperforms similar products due to their miniature size, exceptionally fast response time and high heat resistance.
High Integrity IP68 Encapsulated RTD Temperature Sensors
December 6, 2022E-motors within E-V’s, HEV’s and other commercial vehicles are being run at increasingly high temperatures, and therefore engineers require sensors […]
Ultra-thin, flexible thermistor for fast surface temperature sensing especially in tight spots
November 24, 2022Truly versatile the Semitec JT ultra-thin NTC Thermistor is widely used across the world in many diverse industries from wearable […]
Essential Temperature Monitoring for Batteries
April 28, 2022In the e-vehicle battery market, battery system designers are under increasing pressure to maximise the conflicting requirements of size, […]
Temperature Sensors for Home Heat Recovery Systems
March 10, 2021Whole house heat recovery ventilation systems are just one of the many ways in which consumers are looking to become […]
Logic Fuse Protection for Li-Ion Battery Packs
August 14, 2020Safe operation is the top priority for Li-ion batteries. While conventional current fuses only offer protection against high current incidents, […]
Successful Multi-Purpose IP67 Temperature Sensor
September 25, 2019ATC Semitec’s AT-11 temperature sensing probe, offers the best accuracy/cost/quality ratio available in the industry. Highly versatile, these probes are […]
Very Fast Response Temperature Sensors
August 9, 2018ATC Semitec have recently launched some very fast responding immersion temperature sensors (Tc<1s) ideal for use in gas boilers, electric […]
Smaller, Faster, More Responsive
August 9, 2018Semitec’s robust glass-bead NT-4 series of thermistors have very high heat resistance and are highly sensitive, making them ideal for […]
Semitec F Micro Miniature Temperature Sensors
August 9, 2018SeMitec’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, 2018ATC 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, 2018SCHOTT 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, 2019ATC Semitec is supporting engineers within the UK’s dynamic E-Vehicle sector, with its STS2 series surface mount ring temperature sensors. […]