Thermistors

We have an array of thermistors suitable for medical temperature sensing, with our F-Micro Miniature Thermistor having a multitude of applications due to its small size and precise design. These allow it to be easily supplied in tubes as small as 0.28mm, and combined with a high thermal accuracy of +/-0.14K at 37°C make it our most advanced thermistor available.                                                                                                           

For non-contact applications, the NC temperature sensor utilises the latest FT thermistor technology to sense infrared energy with a high signal strength.

For a full range of our products suitable for medical applications, click here.

Have a question or need a sample ? Call one of our engineers today on 01606 871680 or complete our contact form

There is no easy formula in deciding which is the best NTC thermistor for your application as there are many different factors to take into consideration.

Factors to take into consideration include levels of accuracy, resistance values, shapes and size.

At ATC Semitec we have more than 25 years of experience in providing thermal solutions for industry. Give us a call today for expert technical advice, and to request samples.

Call 01606 871680 or complete our contact form

PTC stands for “Positive Temperature Coefficient“. PTC thermistors are thermally sensitive resistors with a positive temperature coefficient, which means that the resistance increases with increasing temperature.

This is in contrast to an NTC thermistor whose resistance decreases with the increase in temperature.

To view our range of PTC Thermistors on our website click here

Have a question or need a sample ? Call one of our engineers today on 01606 871680

NTC thermistors can be supplied in different configurations/housings depending on your applications:

Epoxy coated generally for lower temperature use (-60°C to +150°C)

Glass encapsulated ideal for use in high temperature applications ( -50°C to +300°C)

Within temperature probe assemblies – with IP67 or IP68 ratings if required.

SMD (surface mount) packages down to 0201 size

Threaded or boss mounted, metal encapsulated temperature sensors.

Have a question or need a sample ? Call one of our engineers today on 01606 871680 or complete our contact form

NTC thermistors are used in a large number of temperature sensors in everyday life and include :-

• Home appliances (Temperature control of ovens and fridges)
• Personal care (Hair-dryers, stylers)
• Medical devices (Catheters, thermometers, glucose monitors)
• Smart devices/IOT products (Home automation, domotics)
• Battery monitoring (Overcharge, over-discharge)
• Automotive/E-Vehicles (Cabin temp, battery monitoring, EGR)
• HVAC appliances (Air temperature, condenser temps)
• Fire & security (Heat detectors, smoke detectors)
• Office automation (Copier & laser printer fuser rollers)

Some larger disc NTC thermistors (or power thermistors) are used for current inrush limiting.  They offer a neat, cost-effective solution to surge currents arising from switching on some electronic or electrical products, e.g. Switch Mode Power Supplies, LED drivers and halogen lamps or heaters.

Have a question or need a sample?  Call one of our engineers today on 01606 871680 or complete our contact form

NTC thermistors have a high temperature coefficient of resistance (TCR), are very stable and have excellent repeatability.

Readily available in numerous form factors, they are also;

• Highly accurate (± 1% tolerance or better)
• Thermally very fast (Tc ~1s)
• Very compact (SMD, thin-film and tiny beads)
• Low-cost (highly competitive)
• Interchangeable – No re-calibration required
• Point matching – Can be calibrated at a specific working temperature
• Wide temperature operating range (-60°C/+300°C).

They are also highly customisable to suit your application.

Have a question or need a sample? Call one of our engineers today on 01606 871680 or complete the contact form

Thermistors are very simple to incorporate electronically (and physically) as they exhibit a large change in resistance/°C when compared with other sensor types.

So they are very robust, available in numerous form factors and can be readily used from -60°C to +300°C.

Typical applications for thermistors include: 

• Temperature Measurement
• Temperature Control
• Temperature Compensation
• Inrush Current Limiting
• Over-Temperature Solid-State Switches

ATC Semitec stock a wide range of both NTC and PTC thermistors which can be viewed here website

If you have a question or need a sample, then call one of our engineers today on 01606 871680 or complete the contact form

Thermistors are thermally sensitive resistors, which show a precise and predictable resistance change in direct proportion to their change in temperature.

There are 2 main types of Thermistor:

NTC Thermistors (Negative Temperature Coefficient) whose resistance drops as the temperature increases.

PTC Thermistors (Positive Temperature Coefficient) whose resistance increases rapidly as the temperature increases.

The differences are readily explained in the below diagram;

ATC Semitec stocks a wide range of both NTC thermistors and PTC thermistors which can be readily viewed via this page website

However if you have more detailed questions or need samples for your new application, then please call one of our engineers today on 01606 871680, or complete our contact form