SEMITEC List of Products and Services

SEMITEC's unique thin thermistor "FT" can be installed near power semiconductor devices due to its high heat resistance. By accurately and rapidly detecting temperature, it maximizes the capabilities of power semiconductors. Furthermore, it supports various mounting methods, making it suitable for power semiconductors and power modules. 【Features】 - High heat resistance: -40℃ to 250℃ ┗ Can be installed near power semiconductor devices - Thin: t=150μm ┗ Space-saving - Supports various connections 1) Wire bonding ┗ Aluminum wire, gold wire 2) Solder 3) Conductive adhesive - Backside metallization compatible ┗ Can be soldered

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We supply thermistor sensors for OA equipment, including printers, copiers, scanners, projectors, fax machines, routers, and various other custom sensor processing. SEMITEC Corporation handles bulk sensors, thin-film sensors, and infrared sensors, which are widely used in various applications, including home appliances such as air conditioners and refrigerators, OA equipment like printers and copiers, as well as in automobiles and medical devices, with temperature sensors being the primary focus.

• Printer

We supply thermistors for home appliances and housing equipment, including frost detection for refrigerators and evaporators, warm water washing toilets, microwave ovens, rice cookers, and various custom sensor processing. SEMITEC Corporation handles bulk sensors, thin-film sensors, and infrared sensors, primarily temperature sensors, which are used in a wide range of applications including home appliances like air conditioners and refrigerators, office equipment such as printers and copiers, as well as in automobiles and medical devices.

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We have developed an odor sensor platform using a Quartz Crystal Microbalance (QCM) that can measure minute weights. It can be used as an odor sensor simply by forming an adsorption film for odors. Additionally, by forming a unique thin-film thermistor from SEMITEC, we can accurately compensate for the temperature dependence of the frequency of the QCM sensor, enabling easy and high-precision measurements. *For more details, please contact us or refer to the catalog.

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"JT Thermistor" is a compact and ultra-thin temperature sensor with a minimum length of 25mm and a maximum thickness of 500μm. It also excels in electrical insulation, making it safe to use in tight spaces or areas where it may come into contact with electrodes.

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NT thermistors are glass-encapsulated thermistors with high heat resistance and high sensitivity. They offer excellent responsiveness and, due to their stability from automated production, are highly reliable products that can be widely used in various applications.

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The "CRD E Series" uses elements that provide stable constant current characteristics in a compact size. It is a small device that employs a DO-35 style DHD (Double Heatsink Diode) structure with a DO35 (300mW) package. With hermetic sealing for high reliability, the component materials are inexpensive and excellent for mass production. Previously, the series had a maximum of "E-153 (15mA)," but "E-183 (18mA)" has been added. This allows for the supply of a constant current that does not exceed the rated current, making it possible to stabilize the brightness of high-brightness LEDs rated at 20mA with a single component.

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The CRD S series is a resin-sealed SMD package product for surface mounting. It has a lower mounting height than standard packages, allowing for the installation of thin LEDs without obstructing light. Additionally, we have added the "S-223T (22mA)" for high-brightness LEDs. Previously, the series had an upper limit of "S-183T (18mA)," which required the use of multiple components for 20mA high-brightness LEDs. However, with the "S-223T (22mA)," it is now possible to supply a constant current with a single component.

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The small wind speed sensor under development can achieve directionality by combining attachments. We will design attachments according to the sensor's application and installation conditions and provide suggestions. Please feel free to consult us if you have any requests.

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We are developing a micro wind speed sensor with a speed of 3m/s, the 'TP-MW-L3'. This micro wind speed sensor is designed to enhance the sensitivity of a compact wind speed sensor, specifically for detecting low wind speeds (below 3m/s). Thanks to SEMITEC's unique technology, it is possible to sense slight wind speeds that are difficult for humans to perceive. Additionally, by changing the attachment, it can be used for various applications. If you have different size requirements, such as "I want it to be smaller!", please feel free to consult with us.

• Measurement and Inspection

We are developing a small vacuum sensor, the "TP-V Series." This compact vacuum sensor is designed to verify the airtightness of microspaces, such as vacuum insulation materials. It achieves significant miniaturization compared to conventional vacuum sensors and gauges, making it ideal for embedded applications. Additionally, it measures pressure using a thermal conduction method and includes a built-in compensation sensor, allowing for long-term use. Please feel free to consult us if you have requests for other applications.

• Other measuring instruments

We are developing a small wind speed sensor, the "TP-MW Series." It is a compact and fast-response wind speed sensor that uses semiconductor technology, making it easy to integrate into devices. By employing SEMITEC's unique mechanism, we have created a sensor that is robust against harsh environments such as dust and humidity. It can measure the suction air of devices and exhaled breath. Additionally, by changing the attachments, it can be used for various applications. If you have different size requirements, such as wanting it to be "even smaller," please feel free to consult with us.

• Measurement and Inspection

Proposal for sensors that link real biological and atmospheric information to virtual spaces (metaverse) and XR (VR, AR, MR) technologies. ■ Biological Information Temperature sensation, body temperature, breath, touch, cold sweat, stress... ■ Atmospheric Information Cold and warm, temperature, air circulation, wind, vibration, sunlight... *For more details, please contact us or refer to the catalog.

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<Thermometer> ●ET-3H Achieves a more compact design than conventional products! It is characterized by a very small measurement error due to the high-precision classification of thermistor characteristics. ●FT-ZM A unique product from SEMITEC! Created through the thin-film technology of thermistors that is not available from other companies! The features of the thin-film thermistor "FT series," which are "thin" and "compact," allow for surface contact with the measurement part, achieving a 70% increase in response speed compared to the conventional "ET-3H." <Catheter> ●Fμ Sensor Offering ultra-small sensors with diameters of 0.5 mm and 0.3 mm! This is a compact and high-precision thermistor sensor created through thin-film technology and microfabrication technology. The development of the thin-film thermistor Fμ series not only achieves miniaturization but also incorporates trimming technology to ensure uniform thermistor characteristics, providing high precision (characteristic tolerance ±0.3%). This product has a proven track record in medical (catheter) applications. <Ear Thermometer> ●Thermopile It can detect infrared radiation emitted from the eardrum, allowing for non-contact body temperature measurement! It is used in "ear thermometers" and also in forehead thermometers commonly seen during the COVID-19 pandemic.

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SEMITEC offers a lineup of biometric sensors to meet your sensing needs! Our range includes temperature sensors for thermometers and non-contact thermometers, as well as ultra-small types that can be integrated into catheters, flexible and ultra-thin types, and surface temperature sensor probes suitable for wearable devices. We also welcome inquiries about thermal flow sensors for deep body temperature measurement, compact and fast-response breath sensors, biometric pressure sensors, and strain sensors. We propose applications that can meet the sensing needs of biological information by maximizing sensor performance. For sensor needs that do not yet exist in the market, we offer unique solutions using SEMITEC's thin-film and microfabrication technology. Please consult us about any unknown sensing challenges you may have.

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The "thermistor chip for optical devices" employs Au electrodes and utilizes unique sensor technology to achieve high precision, high sensitivity, and long-term reliability. It can be used in applications such as optical communication equipment (optical transceivers, laser diodes) and various surface temperature detection. 【Main Specifications】 ■ Chip Size □ 0.40mm・t＝0.25mm, □ 0.34mm・t=0.25mm (in development) □ 0.23mm・t=0.20mm (in development) □ 0.46mm・t=0.20mm (in development) □ 0.48mm・t=0.30mm (in development) ■ Characteristics Please refer to the documentation for details. ■ Operating Temperature Range: -40 to +150℃ Available in both double-sided electrode (for optical chip thermistors) and single-sided electrode (FT series) lineups. * For single-sided electrode (FT series), please refer to the following URL: https://www.ipros.jp/product/detail/2000387942?hub=149+1283113

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The FT thermistor is a unique thermistor developed by SEMITEC using thin film technology. It is a thermistor that stands apart from conventional so-called "ceramic" manufacturing methods, featuring ultra-thin, ultra-small, and highly sensitive characteristics, and it excels in heat resistance, making it suitable for various fields. It is adopted as a standard sensor in copiers and printers, has achieved significant results in healthcare applications such as thermometers, and is also used in medical catheters. Additionally, it is possible to obtain pairs of characteristics with high precision, leading to the development of a unique infrared non-contact temperature sensor (NC sensor) based on this technology, as well as new applications that go beyond the traditional uses of thermistors. 【Features】 ○ Ultra-compact: 1.0mm×0.5mm×t0.15mm 　　　　　0.6mm×0.3mm×t0.15mm 　　　　　0.6mm×0.3mm×t0.10mm ○ High heat resistance: Max 350℃ ○ Fast response ○ High reliability

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The "WT-S1" is a wireless temperature sensor module developed by SEMITEC, a temperature sensor manufacturer. It can wirelessly transmit temperature data measured by the built-in temperature sensor or detachable probes to a remote computer for monitoring and recording. It supports measurements of liquid and gas temperatures, surface temperatures, and ambient temperatures, with measurement mode changes easily switched. The wireless frequency utilizes 928MHz for domestic use, making it suitable for building a wireless sensor network that supports IoT. 【Features】 ■ Measurement temperature range: 0 to 50°C ■ Two built-in temperature sensors and two detachable temperature probes included ■ Data transmission possible to a computer located about 30 meters away (receiver sold separately) ■ No battery replacement required

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The "BS Sensor" is a temperature sensor capable of measuring high temperatures up to 200°C for large motors (automotive and machine tools). It features a thermistor sealed in a flat resin case, ensuring good thermal responsiveness and the ability to be used at high temperatures while maintaining mounting strength. The adoption of a box-shaped case has improved its mountability. 【Features】 ○ Measurement possible with a flat thermal sensor ○ Temperature measurement of motor coils ○ Good thermal responsiveness ○ Case destruction load of over 200N For more details, please contact us or download the catalog.

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The "SS Sensor" is a wearable device that measures body surface temperature "more quickly" and "more accurately." SEMITEC, which has been supplying thermistors for thermometers for years, has developed a temperature sensor suitable for wearable devices that measure skin surface temperature. By combining a protective case with SEMITEC's unique compact thin-film thermistor, it is possible to quickly capture temperature changes of the target object. 【Features】 ○ Accurate tracking ○ Customizable ○ Embedded products ○ Excellent thermal responsiveness ○ Proven track record with thermometer thermistors

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Zenamic is the trademark name of SEMITEC for metal oxide varistors. Zenamic exhibits a large non-linear exponent and shows good varistor characteristics that can be approximately described as having a constant voltage characteristic, making it usable up to high current ranges. It is very ideal as a surge absorber. This product is a ceramic body formed from a powder made primarily of ZnO (zinc oxide) with added additives, sintered at temperatures between 1,200 and 1,400°C.

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Zenamic is the trademark name of SEMITEC for metal oxide varistors. Zenamic exhibits a large nonlinear index and shows good varistor characteristics that can be approximated as a constant voltage characteristic, making it usable up to high current ranges. It is very ideal as a surge absorber. This product is a ceramic body formed from a powder made primarily of ZnO (zinc oxide) with added additives, sintered at temperatures between 1,200 and 1,400°C.

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Zenamic is the trademark name of SEMITEC for metal oxide varistors. Zenamic exhibits a large non-linear exponent and shows good varistor characteristics that can be approximated as a constant voltage characteristic, making it usable up to high current ranges. It is very ideal as a surge absorber. This product is a ceramic body formed from a powder made primarily of ZnO (zinc oxide) with added additives, sintered at temperatures between 1,200 and 1,400°C.

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Zenamic is the trademark name of SEMITEC for metal oxide varistors. Zenamic exhibits a large non-linear index and shows good varistor characteristics that can be approximated as a constant voltage characteristic, making it usable up to high current ranges. It is very ideal as a surge absorber. This product is a ceramic body formed from a powder made primarily of ZnO (zinc oxide) with added additives, sintered at temperatures between 1,200 and 1,400°C.

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Zenamic is the trademark name of SEMITEC for metal oxide varistors. Zenamic exhibits a large non-linear exponent and shows good varistor characteristics that can be approximated as a constant voltage characteristic, making it usable up to high current ranges. It is very ideal as a surge absorber. This product is a ceramic body formed from a powder made primarily of ZnO (zinc oxide) with added additives, sintered at temperatures between 1,200 and 1,400°C.

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The Silicon Surge Absorber VRD is a surge absorber developed to absorb steep surge voltages during startup. The VRD responds very quickly to surges due to the avalanche effect of the silicon junction, and its control voltage is sharp and largely independent of current, solving the issues faced by conventional surge absorbers, making it a high-performance and highly reliable device.

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The Power Thermistor D2 is a product that applies the characteristic of NTC thermistors (Negative Temperature Coefficient Thermistors), where the resistance value decreases sharply due to self-heating from current flow, resulting in a rise in temperature. It has successfully reduced manufacturing costs and is more affordable compared to conventional power thermistors. The obtained standard is UL1434 File NO.E92669 (excluding 1D2-22).

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The non-contact temperature sensor NC Sensor F-Type F10 is a new non-contact temperature sensor that uses a miniature thermistor as a heat-sensitive element, making it suitable for various locations. It can be used in environments where infrared sensors were previously not applicable. It is capable of temperature detection for thermal fixing rollers in OA equipment such as LBP and PPC, temperature detection of various rotating and moving bodies in automobiles, temperature detection of rotating parts in motors, temperature detection in high-pressure areas, and temperature detection of chemicals and substances.

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In automotive thermistor sensors, we provide custom sensor processing for engine control, car air conditioning, evaporators, hybrid vehicles, coolant, IGBTs, various motor temperature detection, batteries, and other custom applications. SEMITEC Corporation handles bulk sensors, thin-film sensors, and infrared sensors, which are used in a wide range of applications including temperature sensors, home appliances such as air conditioners and refrigerators, office equipment like printers and copiers, automobiles, and medical devices.

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We have achieved an extremely small size for internal insertion and precise sensing with a thin-film sensor. It can be used for catheters and deep body temperature measurement.

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The high-temperature "CT thermistor" employs glass sealing and is a highly reliable high-temperature axial thermistor. It is compatible with taping. Applications include HE equipment, heating and cooling equipment, water heaters, kitchen equipment, solar systems, vending machines, refrigerated showcases, batteries, and refrigerators. SEMITEC Corporation handles bulk sensors, thin-film sensors, and infrared sensors, which are used in a wide range of applications, including temperature sensors, home appliances such as air conditioners and refrigerators, office equipment such as printers and copiers, as well as in automobiles and medical devices.

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The high-precision SMD angle chip "KT Thermistor" is a high-performance, high-reliability chip thermistor that achieves the basic characteristics of high-precision thermistors (resistance tolerance ±1%, B constant tolerance ±1%) according to EIAJ standards (sizes 1005 and 1608). It can be used in applications such as OA equipment, communication devices, information devices, mobile devices, rechargeable battery packs, LCDs, HICs, AV equipment, and more.

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The high-sensitivity ET thermistor is a compact and highly sensitive thermistor. It has a small tolerance for resistance value and B constant, ensuring high precision. Its uniform shape allows for compatibility with automatic mounting. It exhibits minimal drift over time and has high reliability. Applications include electronic thermometers, temperature gauges, medical devices, control equipment, mobile devices, rechargeable battery packs, HE devices, warm water bidets, security systems, LCDs, and electric vehicles.

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High-precision AT thermistors have an extremely small tolerance for resistance values and B constants (±1%), making them highly accurate thermistors. Their uniform shape allows for compatibility with automatic mounting. They exhibit minimal changes over time and have high reliability. Applications include office automation equipment, measuring instruments, control devices, mobile devices, rechargeable battery packs, fan motors, HE equipment, heating and cooling systems, solar systems, security systems, thermometers, automobiles, vending machines, refrigerated showcases, and agricultural equipment.

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The ultra-high precision "AP Thermistor" is a thermistor that enables high-precision temperature detection over a wide range by further improving the accuracy of conventional high-precision thermistors. It has an allowable tolerance of ±0.5% for R25 and B25/85, making it ultra-high precision. The temperature tolerance is ±0.5°C within a narrow deviation range of -60°C to 70°C. Applications include mobile devices, rechargeable battery packs, fan motors, automobiles, office automation equipment, home electronics, security devices, thermometers, measuring instruments, and other temperature detection uses.

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