EN
Thermistors play a critical role in temperature detection in the automotive, medical, industrial, and smart device sectors providing accurate and reliable data for a wide variety of use cases. As a top-tier company, Dongguan Xingxiang Sensor Technology Co., Ltd. produces quality NTC thermistors and temperature sensors and provides OEM and ODM services that comply with various industry standards. For businesses aiming to gain uniformity in their products, it is helpful to understand the factors that affect the stability of thermistors. Whether applied in battery management systems, HVAC systems, or medical equipment, a stable thermistor guarantees optimal temperature reading and ongoing performance.
The Quality Of Thermistor Elements
The materials used in the sensitive components are arguably the most critical factor in thermistor stability. Dongguan Xingxiang Sensor Technology Co., Ltd. works with high grade sensitive element materials for NTC thermistors to produce high stability and reliability thermistors. The use of low grade materials can result in negative shifts in the resistance value over time, thus compromising the thermistor measurement accuracy. While extreme variation in temperature can affect the performance of thermistors, high purity materials with uniform chemical compositions can filter out performance divergence. Out thermistors are subjected to micro level testing and material selection in compliance with IATF16949 and ISO9001, to ensure high quality materials are used. Opting for thermistors made with high grade materials is synonymous with gaining stability over extended use across varied contexts.
Control Over Manufacturing Processes
For the thermistors to keep their stability, the manufacturing processes must be precise. This is why process control is so important to Dongguan Xingxiang Sensor Technology Co., Ltd. – control is exercised from the processing of materials to the encapsulation. Every thermistor follows the same production steps, and quality is checked at every single one. An example of this is the NTC radial lead glass encapsulation thermistors, with advanced manufacturing techniques giving them a quick response time and high precision. Even customization options, such as SMD thermistors with varying resistance values, are produced with the same consistent processes to keep stability across batches. Sintering, welding, and encapsulating, done correctly, keeps the thermistor from having structural imperfections that could detract from the the thermistor’s performance over time.
Adaptability of Operating Temperature Range
To thermistors keep their stability, they do so within their specified operating temperature ranges. The thermistors from Dongguan Xingxiang Sensor Technology Co., Ltd. take the lead with the widest operating thermistor temperature range, from an extreme -60 to 600 °C making them suitable extreme environments such as automotive engines and power plants. Operating a thermistor beyond it’s designed temperature range causes permanent damage to the element, leading to decreased stability permanently. Our engineered products are designed to withstand the most harsh of temperatures, keeping the thermistors waterproof and corrosion resistant with an IP68 rating, ensuring consistent performance in humid or corrosive environments. To preserve stability, it is crucial to match the thermistor’s temperature range to the application’s requirements.
Environmental Factors
The conditions of the environment have a major effect on the stability of thermistors. Factors like humidity, dust, and chemicals can destroy the thermistor’s element and encapsulation over time. Thermistors from the Dongguan Xingxiang Sensor Technology Co., Ltd., are created with environmental stress in mind, and can be used in indoor and outdoor settings. For example, the XTSA sensor is built for harsh conditions, and is a reliable option for aerospace and industrial thermistors. A thermistor’s service life can be maintained by proper protection from moisture and other contaminants. Protective insulation is as important as maintenance when it comes to the effects of the environment.
Specs for Design and Customization
The Design and Customization Thermistor's stability is directly correlated to design and customization efforts at Dongguan Xingxiang Sensor Technology Co., Ltd. For example, customers may choose design parameters, as well as, certain specifications such as accuracy of resistance value, and packing type. Thermistors designed to operational parameters achieve more optimal thermistor stability. For example, one of our XNGA NTC thermistors is specifically customized for battery monitoring, as well as, fast and accurate sensing while having high stability. To ensure that thermistors perform consistently, our engineering team works with customers to refine designs, as well as, fully integrate thermistors into end products. The stability and functionality of thermistors are enhanced with purposeful customization.
Quality Assurance and Testing
There is a lot of importance and attention given to the quality assurance and testing to verify the stability of the thermistors. Dongguan Xingxiang Sensor Technology Co., Ltd. does tests on thermistors such as temperature cycling tests, residual drift tests, and durability. The thermistors are accurate to as fine as 0.01 degrees Celsius and therefore, the thermistors meet the Automotive AEC Q200 grade. Tests are done to the sample, and the whole batch is inspected to ensure the highest quality thermistors. Customers have given feedback on the stability and reliability, proving the thermistors are great. To ensure the stablity of the thermistors on long-term use, choosing a manufacturer with quality control is a great and wise choice.
