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Advantages of Thermistor vs. All Other Temperature Sensors Temperature sensors are widely used in many industry and consumer products. Among them, thermistors are the most commonly used type of sensor. It has the highest sensitivity, low noise, is simple to use and of low cost. When interfacing with a same circuit, using different thermistors of the same valueit can result in different temperature readings.

buy ntc thermistor

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Therefore, for high accuracy applications, thermistor temperature sensors are not interchangeable. RTDs, on the other hand, have a high interchangeability, linear characteristics, wide temperature range, but low sensitivity and higher cost. Temperature ICs have good linearity and sensitivity but limited temperature and also a high cost. Thermal couple has the widest temperature, good linearity, but low sensitivity and requires a high cost temperature compensation circuit on connectors.

When using an NTC thermistor as the temperature sensor, it becomes the most important component for the temperature regulating system. To achieve high system performance, NTC thermistors should have low short term and long-term drifts in the R-T relationship, the resistance vs. the temperature, compact size, and reliability. Some low cost NTC thermistors are coated with epoxy materials and have large short- and long-term resistance drift, i.e., when sensing the same temperature, the resistance changes with time, causing the system to produce an inaccurate temperature, thus, the target object temperature has drifted. Glass coated thermistors, on the other hand, have almost zero short- and long-term drift and all our NTC thermistors are of this type.

When choosing an NTC thermistor for a temperature control system, these are the main specifications to consider: operating temperature range, sensitivity, drift, size, and mounting approach. Our thermistors and thermistor assemblies are mainly NTC thermistors, and can be used with our TEC controllers and TEC modules for building high stability low drift temperature control systems. These NTC thermistors and thermistor assemblies have high precision (+/-0.25C@25C), compact size (bare version down to 0.8mm diameter), and are coated with glass material on all the bare thermistors and the NTC thermistor of which the thermistor assemblies are made, resulting in both low short and long term drift.

The NTC thermistors come in bare and lugged forms, the former is for point sensing to achieve high accuracy for specific points, such as laser diode die, etc.; the latter is for bulk temperature sensing, such as optical components, etc. If you have any questions about choosing and using an NTC thermistor or thermistor assemblies, let us know. We will do our best to help you. Note: Free samples of thermistors can be given after application and its approval. Limit 3 per application. Free sample application will need the follow information: contact name, company name, company website, company email, work phone number, and potential usage volume.

This series thermistor is encapsulated by glass. The glass ensures long term stability. Compared to conventional epoxy encapsulated thermistors, they feature a smaller size, quicker response time, better long term stability, and wider temperature range. This kind thermistor is sealed between the head and sensing tip allowing it to work up to 250C temperature.

This series thermistor is a thermistor assembly with a glass encapsulated thermistor packaged in an extra compact ring lug. Compared to conventional assemblies containing epoxy encapsulated thermistors, this series thermistor presents higher long term stability, higher reliability and wider temperature range. In addition, it is a small size and has a short response time. This series thermistor can be used to measure the temperature of laser diodes, optical components, etc., with high accuracy and long-term stability.

This series thermistor assembly is housed by a stainless cap. The thermistor inside has glass encapsulation to ensure long time operation, wide temperature range, and no parameter drift of either short time or long term. The cap is made of metal, making them long time lasting even under harsh environment, such as acid, moisture, etc. The output terminals use a pair of heavy duty PVC insulated wires of 26 AWG. The length of the wires can be specified. The cap can be customized according to customer's need.

This series thermistor assembly is housed by ametal cap. The thermistor inside has glass encapsulation toensure long time operation, wide temperature range, and noparameter drift of either short time or long term. The cap ismade of metal, making them long time lasting even underharsh environment, such as acid, moisture, etc. The outputterminals use a pair of heavy duty PVC insulated wires of 26AWG. The length of the wires can be specified. The cap canbe customized according to customers need.

A Thermistor is used in a wide range of circuits and circuitry for temperature measurement as well as current-limiting control. The resistance change of a thermistor depends on the ambient temperature of the unit.

Vishay delivers high sensitivity and accuracy with its thermistor and sensor products. These products are ideal when fast response time, limited space, high reliability, or wide temperature range is required.

Eaton surface mount thermistor elements are designed for use on printed circuit boards and integrated circuits. They feature metallized terminations suitable for wire bonding, epoxy and soldering. Given their standard footprints, they are ideal for automated assembly processes.

These solid state temperature sensors actually act like electrical resistors that are temperature sensitive. That is where the name, a clear combination of the words thermal and resistor, comes from. Ametherm specializes in NTC, or negative temperature coefficient, thermistors.

Some basic terminology may be helpful in understanding thermistors and their potential uses. First, standard reference temperature is usually 25C , or the temperature of the thermistor body when supposed zero-power resistance is seen. This zero-power resistance is the dc resistance value of the thermistor when measured at a specific temperature with a low enough power dissipation from the thermistor for any further power decrease resulting in no more than the smaller of 1/10 of the particular measurement tolerance or a zero point one percent change in the resistance .

Resistance ratio is a characteristic that identifies the ratio of zero-power resistance of a thermistor at 125 to the resistance at 25C. Maximum operating temperature is the highest body temperature where the thermistor will operate with acceptable stability for an extensive time period.

This temperature should not surpass the highest value specified. Likewise, maximum power rating for thermistors is the highest power at which a thermistor will operate for a period of time while maintaining stability.

This is an NTC thermistor is a temperature sensor that uses the resistance properties of ceramic/metal composites to measure the temperature. This NTC sensor offers many advantages in temperature sensing including miniature size, excellent long-term stability, high accuracy and precision. This type of sensor is used in temperature compensation for transistors, ICs, and crystal oscillators in mobile communications, etc.

Thermometrics Epoxy Type 65 NTC Interchangeable Thermistors are epoxy-coated interchangeable chip thermistors with heavy isomid insulated nickel lead wires. They provide accurate temperature measurement, control and compensation with use over a range of -40C to 105C (-40F to 221F) and high sensitivity greater than -4%/C at 25C (77F).

Thermometrics Epoxy Type SC NTC Interchangeable Thermistors are sleeved interchangeable chip thermistors with heavy isomid insulated nickel lead wires. They provide accurate temperature measurement, control and compensation with use over a range of -40C to 105C (-40F to 221F) and high sensitivity greater than -4%/C at 25C (77F), making them ideal for medical applications.

Thermometrics Epoxy Type C100 NTC Thermistors are epoxy-coated chip thermistors with 0.3 mm (0.012 in) bare tinned-copper lead wires. They are used for temperature measurement, control and compensation with a range of -80C to 150C (-112F to 302F) and high sensitivity greater than -4% /C at 25C (77F).

Thermometrics Epoxy Type MS NTC Thermistors are epoxy-coated chip thermistors with 0.254 mm (0.01 in) nickel PTFE lead wires. They are used for temperature measurement, control and compensation with a range of -50C to 150C (-58F to 300F).

Thermometrics Epoxy Type NDK NTC Thermistors are epoxy-coated chip thermistors with 0.2 mm (0.007 in) tinned monel lead wires. Designed for accurate temperature measurement, control and compensation, with operation up to 155C (311F), they are used in automotive, HVAC and white goods applications.

Thermometrics Epoxy Type NDL NTC Thermistors are epoxy-coated chip thermistors with bare 0.0098 in (0.25 mm) tinned copper lead-wires. Designed for accurate temperature measurement, control and compensation, with operation up to 155C (311F), they are used in automotive, HVAC and white goods applications.

Thermometrics Type NDM of Epoxy NTC Thermistors are epoxy-coated chip thermistors with bare 0.007 in (0.2 mm) tinned copper lead-wires. Designed for accurate temperature measurement, control and compensation, with operation up to 155C (311F), they are used in automotive, HVAC and white goods applications.

Thermometrics Epoxy Type NDP NTC Thermistors are epoxy-coated chip thermistors with PFA/PTFE insulated 0.25 mm (0.0078 in) nickel lead wires. Designed for accurate temperature measurement, control and compensation, with operation up to 155C (311F), they are used in automotive, HVAC and white goods applications.

Thermometrics Epoxy-Coated Type NKI of Noise Immune Thermistors are newly developed, consisting of a noise immune NTC thermistor with an integrated radio frequency (RF) decoupling function, providing protection from electromagnetic interference (EMI) at the component level over a wide frequency range. 041b061a72