X-meritan is a reliable Chinese manufacturer of NTC Thermistors thermistors and a seasoned supplier of sensing components. Specializing in bare NTC Thermistors chips and packaged NTC Thermistors sensors, we cater to temperature control needs across the entire spectrum from cryogenic to high-temperature environments. We support non-standard customization and volume orders; we welcome your inquiries.
NTC Thermistors thermistors are core semiconductor temperature-sensing components for industrial and precision equipment. They utilize the negative temperature coefficient (NTC Thermistors) resistance characteristic to achieve precise temperature measurement and feedback control. With in-house production lines covering sintering, coating, and packaging, we offer customized manufacturing based on specific resistance, temperature range, and structural requirements, ensuring accurate closed-loop temperature monitoring for diverse control systems.
NTC Thermistors thermistors utilize a metal-oxide ceramic substrate that exhibits stable negative temperature coefficient characteristics. During operation, the substrate's resistance drops exponentially as the temperature rises, creating a highly sensitive correlation between temperature fluctuations and resistance changes.
By capturing real-time resistance data, the system accurately calculates the temperature of the equipment and its environment. This enables a complete closed-loop feedback control logic that ensures precise constant-temperature regulation while monitoring for anomalies, effectively preventing risks such as thermal runaway.
X-meritan operates its own standardized factory with an end-to-end, in-house production system, maintaining strict quality control across four core processes:
First, precision formulation: We use high-purity metal oxides such as manganese, cobalt, nickel, copper, and iron with strictly controlled mixing ratios to establish a solid foundation for substrate performance.
Second, high-temperature sintering: Professional sintering equipment is used to form the ceramic body and lock in core temperature-sensing parameters.
Third, electrode coating: Gold or silver electrodes are applied to the surface to ensure excellent conductivity and stable long-term signal transmission.
Fourth, customized packaging: Protective materials such as resin, glass, or metal are selected based on the application scenario. We also support parameter customization for an ultra-wide temperature range of -253°C to 1000°C, making our products suitable for various extreme operating conditions.
Bare-die NTC Thermistors chips feature an ultra-compact size designed for space-constrained, high-density integrated devices. They are suitable for optical communication modules, infrared thermopiles, and miniature precision testing equipment, seamlessly integrating with various micro-thermoelectric cooling components to provide precise temperature feedback.
Encapsulated NTC Thermistors sensors utilize protective materials such as resin, glass, or metal, offering excellent resistance to moisture, oxidation, and vibration. They are designed for direct integration into industrial machinery, automotive electronic control systems, and home appliances—even in complex or harsh operating environments offering superior durability for long-term, continuous industrial use.
First, high sensitivity: the semiconductor-based temperature sensing response far exceeds that of standard fixed resistors, enabling the rapid detection of minute temperature changes.
Second, precise temperature measurement: accuracy remains stable within specific temperature ranges, with standard operating ranges spanning -90°C to 130°C, suitable for the vast majority of precision temperature control applications.
Third, multifunctional versatility: beyond temperature measurement, they support circuit current limiting, over-temperature protection, and autonomous thermostatic regulation—offering multiple functions in a single component.
Fourth, industrial-grade reliability: the solid-state structure features no moving parts or refrigerants; it is vibration-resistant, withstands extreme temperatures, and is maintenance-free, making it ideal for long-term, continuous operation.
1. Battery and Power Management: Used in battery management systems to prevent thermal runaway risks, while also providing dynamic temperature control for high-power chips (such as CPUs and GPUs) to optimize operational performance and energy efficiency.
2. Smart Home Appliances: Integrated into devices like air conditioners, refrigerators, and water heaters to establish closed-loop temperature control systems, ensuring precise regulation while enhancing energy efficiency and operational safety.
3. Automotive Electronic Systems: Integrated into engine control and battery thermal management systems, providing precise, real-time temperature data for powertrain regulation and cabin climate control, thereby ensuring the stable operation of vehicle electronics.
4. Medical and Scientific Equipment: Suitable for electronic thermometers, thermostatic incubators, and biological sample refrigeration units, meeting the high-precision measurement and stable temperature control requirements of medical and scientific research environments.
5. Specialized industrial applications: Covers high-end niche scenarios such as monitoring in cryogenic liquid nitrogen and liquid oxygen environments, IGBT power device temperature measurement, wavelength temperature control for optical communications, and infrared detection temperature sensing.
First, the B-value (typically ranging from 2000K to 6000K), which determines the sensor's temperature sensitivity;
Second, zero-power resistance (ranging from 10Ω to 10MΩ), to suit various circuit requirements;
Third, dissipation factor and thermal time constant, which directly affect temperature response speed and suitability for specific operating conditions;
Fourth, operating temperature range (standard models cover -55°C to 125°C, with custom options available for extreme high/low-temperature conditions); selection should also comprehensively consider accuracy, linearity, and long-term stability.
We support comprehensive non-standard customization to fully meet customer equipment requirements:
We can customize chip dimensions and packaging structures based on installation space, and adjust resistance-temperature parameters and B-values to suit specific thermal control conditions. We support customization of gold, aluminum, and silver wire bonding processes for high-density integrated modules. We also match specialized packaging materials to harsh conditions—such as high/low temperatures, high humidity, and strong vibrations—while providing services including initial parameter matching, solution optimization, batch sampling, and end-to-end technical support to shorten customer R&D cycles.
X-meritan has been deeply engaged in the thermoelectric sensing industry for over a decade, backed by a team of senior engineers who strictly control product sensitivity and long-term reliability;
We operate our own complete production lines, maintaining independent control over the entire process—from raw material processing to finished product packaging in compliance with ISO global quality system standards.
Our products have passed multiple international safety certifications and are exported to markets worldwide, including Europe, the Americas, and Southeast Asia. We meet the rigorous procurement standards of Fortune 500 companies and national-level laboratories, offering full-lifecycle technical support and after-sales service.
Yes, they can. The entire product line has undergone thermal cycling stability testing. The packaged versions feature protective structures made of glass, metal, and resin, enabling them to withstand environmental stressors such as alternating high and low temperatures, humidity, and oxidation. Their solid-state construction offers vibration resistance and zero wear, ensuring long-term, continuous operation under rated conditions without significant parameter drift.
Serving as the core temperature-sensing feedback component, the NTC Thermistors collects real-time temperature data from the cooling assembly and rapidly relays it to the temperature control motherboard, establishing a closed-loop control system. This enables precise adjustment of the thermoelectric module's thermal output, preventing temperature overshoot and thermal shock; it significantly enhances the system's temperature control accuracy and energy efficiency, ensuring stable, constant-temperature equipment operation.
Once the customer provides details regarding operating conditions, dimensions, and parameter requirements, our technical team promptly develops a matching solution. Samples are provided following parameter confirmation, and mass production begins once the samples meet specifications. Leveraging our in-house manufacturing capabilities, we ensure stable and controllable delivery times, flexibly accommodating needs ranging from R&D sampling and small-batch pilot runs to large-scale mass production.
Bare-die NTC Thermistors chips are the preferred choice for space-constrained, high-density integration, and precision miniature devices. Packaged NTC Thermistors sensors offering superior protection are recommended for industrial, automotive, and home appliance applications that involve complex operating conditions (such as humidity, vibration, or dust) and require long-term, stable performance. For complex operating conditions, we offer one-on-one technical consultation to assist with component selection.
