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This section provides an overview for pyroelectric infrared sensor as well as their applications and principles. Also, please take a look at the list of 11 pyroelectric infrared sensor manufacturers and their company rankings. Here are the top-ranked pyroelectric infrared sensor companies as of June, 2025: 1.Tokin America, Inc, 2.KEMET, 3.SENSATEC Co., Ltd..
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Pyroelectric infrared sensors apply a physical phenomenon called the pyroelectric effect to infrared detection.
It is a sensor that detects heat generated from the human body or an object as infrared rays and captures the heat source.
The pyroelectric effect is a phenomenon in which polarization occurs inside a solid when heat is applied to ferroelectric material. Silicate minerals and tartaric acid are used as materials.
Pyroelectric infrared sensors have been adopted in many countries and are used as sensors in security alarms and motion detectors.
Pyroelectric infrared sensors are devices that detect infrared radiation emitted by heated objects, allowing them to identify the heat source, such as a person or object.
Compact, high-performance pyroelectric infrared sensors are widely used in a variety of situations where sensors are required.
There are many examples of the use of these sensors, mainly as intruder alarms for crime prevention and as motion-sensitive illuminators.
In recent years, pyroelectric infrared sensors have also been used in general households to detect people in air conditioning and heating equipment, televisions, and IoT devices.
The pyroelectric effect is a phenomenon in which an electric charge is generated by the polarization of molecules on the surface of a dielectric crystal when it is heated.
As the temperature rises, the polarization inside the dielectric responds immediately, and the constituent molecules respond as the polarization relaxes.
However, surface charges cannot respond as immediately as molecular polarization. Charges appear on the surface of the dielectric only as the polarization relaxes.
When a high-impedance load is connected to the electrodes on both sides of the dielectric, a current flows between the electrodes (called pyroelectric current). This pyroelectric current is used to detect the charge generated on the surface.
Since the pyroelectric current is generated when a temperature change occurs, it functions as a sensor when external thermal energy is applied.
Infrared light emitted from an external heat source is focused onto the sensor by an optical lens called a Fresnel lens. Optical filters are also used to avoid the effects of sunlight and illumination.
The output from the sensor is transmitted through an amplifier to increase the signal strength, which is then detected as a waveform.
*Including some distributors, etc.
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Tokin America Inc., headquartered in San Jose, California, is a supplier of passive electronic components in North, South, and Central America and is a subsidiary of Tokin Corporation. Its diverse product range includes capacitors, noise countermeasure components, and sensors used in several industries, including telecommunication, automotive electronics, and digital home appliances. The company also provides specialized design support and works with several distributors within the United States, including Future Electronics, WPG Americas, and Bravo Electronics.
Excelitas Technologies Corp., headquartered in Waltham, USA, is a manufacturer of photonic solutions. The company provides photonic solutions for the illumination, optical and imaging needs of the OEM and end-user customers. The products like cameras, sensors and light sources serve an array of applications across many sectors. These range of applications include clinical diagnostics, autonomous vehicles and X-ray security screening. The company also offers bespoke photonic solutions such as discrete components, sub-assemblies, or complete turnkey solutions tailored to the customers' specific requirements.
KEMET has a portfolio of over 1,600 patents serving the automotive, aerospace, industrial, telecommunications, computing, consumer, and medical devices. KEMETs devices provide filtering, sensing, energy storage, power conversion, and haptic actuator technology. Among these devices are capacitors, electromagnetic compatibility (EMC) components, resistors, circuit protection devices, inductors, sensors, Piezoelectric devices, release, transformers, and engineering kits.
Panasonic Industry Europe is the European branch of Panasonic, a global manufacturer of electronics and houseware, originally founded in 1918. Panasonic Industry Europe manufactures in 4 categories: components, devices, energy & building, and automation devices & solutions. Components include relays, capacitors, resistors, sensors, switches, connectors, couplers. Devices include wireless connectivity, e-bike systems, motors, compressors, thermal solutions, GPS antennas, as well as electronic materials. Energy & building includes batteries, fuel cells, solar sells, power tools, and home IoT. Automation devices & solutions include sensors for factory automation, industrial motors, laser welding, and more.
Murata Manufacturing Co., Ltd. (Murata Manufacturing) was founded in 1944 and is headquartered in Nagaokakyo, Japan. Murata Manufacturing designs, manufactures, and sells ceramic-based passive electronic components and solutions globally. The company operates through components, modules, and others segments, serving communications, mobility, industrial, healthcare, and personal electronics customers. They company's product offerings include noise suppression products, quartz devices,RFID devices, phase shifters, and wireless connectivity platforms. Services such as webinars and video library are also available for existing and potential customers alike.
Founded in 2002, Heimann Sensor GmbH is a German manufacturer headquartered in Dresden, specializing in infrared thermopile arrays, sensors, and modules. These products are used for temperature sensing, thermal imaging, and gas concentration measurement. Additionally, the company offers pyroelectric sensors, infrared light sources, and Pirani vacuum sensors. Heimann Sensor has representative offices on four continents and manufacturing facilities in Germany and Senai, Malaysia. Providing customized solutions to global customers, the company serves diverse sectors, including medical applications, industrial process control, and traffic control. Heimann Sensor holds the DIN EN ISO 9001 certification.
NiCera - Nippon Ceramic Co., Ltd. was established in 1975 in Japan as a manufacturer of ceramic sensors. The company designs infrared sensors that have applications in home electronics such as microwaves, air conditioners, heaters, etc. Ultrasonic sensors have been used in automobiles for back and corner sensing and for automatic parking systems. Current sensors are also used in automobiles as well as in industrial equipment along with gas sensors that have applications in the agricultural industry such as controlling CO2 concentration. The modules of human detection sensors and LED power supplies are also part of the production.
SENSATEC Co. Ltd., established in 1988 and based in Kyoto, Japan, is a manufacturer and supplier of OEM sensors. The company specializes in crafting electronic detection and control devices, medical tools, and beauty equipment, including various sensors, A/D/D/A converters, and optical fiber data systems. Its diverse product range also includes cable and coil winding processing, and it provides support for metal mask manufacturing. The company also offers tailored designs emphasizing miniaturization and handles everything from standard strips to soldering and assembly.
Laser Components was founded in 1982 and is headquartered in Olching, Germany. The ISO 9001:2015 certified company also has locations and distributors across Europe and the United States. The company is a manufacturer and researcher for semiconductor technologies and dielectric coatings. Chemicals used include silicon, lithium tantalate, and deuterated L-alanine doped triglycene sulphate, known as DLATGS. The company’s product segments include IR Components, Photo Counters, Lasers, and Fiber Optics. The company’s services include repair, calibration, tool servicing, and job coatings.
Ranking as of June 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Tokin America, Inc |
19.3%
|
| 2 | KEMET |
15.6%
|
| 3 | Panasonic Industry Europe GmbH |
8.9%
|
| 4 | Heimann Sensor GmbH |
8.9%
|
| 5 | Murata Manufacturing Co., Ltd. |
8.9%
|
| 6 | Laser Components Germany GmbH |
8.1%
|
| 7 | SENSATEC Co., Ltd. |
8.1%
|
| 8 | Abundance Enterprise Company |
7.4%
|
| 9 | Nippon Ceramic Co., Ltd. |
7.4%
|
| 10 | Excelitas Technologies Corp. |
7.4%
|
Derivation Method
The ranking is calculated based on the click share within the pyroelectric infrared sensor page as of June 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
3 | 33.3% |
|
Germany
|
3 | 33.3% |
|
Japan
|
3 | 33.3% |
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