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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 and thermostat industry, supporting engineers across a wide range of industries with their NPD or product upgrades

ATC Semitec, UK's Leading Supplier of Thermistats and Thermistors
Stock Availability Products ready to ship
Outstanding Service Extensive technical support
Competitive Pricing Exceptional Value

Welcome to ATC Semitec

With over 20 years’ experience in the thermal controls industry, and with ISO 9001:2015 accreditation you can feel confident that you are working with a team of engineers with extensive product and market knowledge. We work with you to help design in the most suitable temperature sensor or safety component for your industrial or domestic product application.

About Us

ATC Semitec offer an extensive range of innovative thermal products which are used across a wide range of products and market sectors. Using a combination of our technical expertise and comprehensive product ranges from our world leading manufacturers, we can find you the optimal solution to your temperature sensor and thermal safety requirements. Our ranges include – Semitec’s NTC thermistors and thermistor sensors provide high accuracy temperature sensing and control for electronic and programmable thermostats. PEPI thermal cut-outs and Asahi thermostats offer cost-effective temperature control or over temperature protection whereas Matsuo’s long-life precision thermostats bridge the gap between electronic temperature controllers and simple mechanical thermostats. Reliable circuit protection is provided by NEC Sefuse thermal fuses, TKS PTC Thermistors and Semifuse PTC fuses.  Constant current is supplied via Semitec CRD current limiting diodes and current surges controlled by SCK inrush current limiters. Voltage spikes and surges are suppressed by TVR series varistors. And within the HVAC market,  Campini adjustable thermostats provide accurate room temperature control and TKS humidity sensors can help provide a comfortable environment.

Latest News

New Miniature Logic Fuses for Li-ion Batteries

September 12, 2019

The new SEFUSE D6SC logic fuse from ATC Semitec, are ultra-thin surface mount fuses which are ideal for portable products […]

Very Fast Response Temperature Sensors

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

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 […]