What types of NTC thermistor are there

NTC thermistor is widely used in temperature measurement, temperature compensation, and temperature control due to their high sensitivity, high precision, and wide temperature adaptability. According to different packaging forms, application scenarios, and structural characteristics, NTC thermistor can be classified into various types. This article will introduce several common types of NTC thermistor and their features.

1. Glass-sealed NTC thermistor

Features:
Sealed with glass, they have excellent sealing performance and can work stably in high-temperature, high-humidity, and harsh environments.
They have excellent long-term stability and anti-aging performance.
They are suitable for high-precision temperature measurement, with an accuracy of ±0.1℃.

Application scenarios:
Automotive electronics (engine temperature monitoring, exhaust system)
Industrial automation (high-temperature environment temperature measurement)
 

2. Epoxy resin packaged NTC thermistor

Features:
Sealed with epoxy resin, they are low-cost and suitable for mass production.
They are small in size, have a fast thermal response, and high sensitivity.
They are suitable for conventional temperature ranges.

Application scenarios:
Medical equipment: electronic thermometers, laboratory equipment
Household appliances: very suitable for air fryers, smart toilets, toasters, and other small appliances involving heating.
 

3. Surface mount NTC thermistor

Features:
Sealed with surface mount packaging, they are suitable for surface mount technology (SMT) and facilitate automated production.
They are suitable for small electronic devices and have a high degree of integration.
They are suitable for temperature compensation and precise temperature measurement applications.

Application scenarios:
Mobile devices (smartphones, smart wearables)
Communication equipment (radio communication systems, base station equipment)
Industrial control circuits (signal amplifiers, sensor calibration)
 

4. Probe-type NTC thermistor sensor

Features:
Sealed with metal or plastic shells, they have good mechanical strength and corrosion resistance.
They can be customized with different packaging forms, such as stainless steel probes, copper shell probes, PTFE probes, etc., to meet different environmental requirements.
They are suitable for liquid, gas, or surface temperature measurement.

Application scenarios:
Industrial temperature measurement (boilers, pipelines, cold chain logistics)
Medical equipment (respirators, laboratory incubators)
Automotive electronics (coolant temperature monitoring, battery thermal management)

NTC thermistor come in a wide variety of types, each with its unique advantages and suitable for different application scenarios. From high-precision temperature control to high-power circuit protection, NTC thermistor play an important role in modern electronic devices, automotive industry, medical equipment, industrial control, and many other fields. Choosing the appropriate type of NTC thermistor not only improves the temperature measurement accuracy of the system but also optimizes product performance and enhances overall reliability.