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Murata Begins Mass Production of World's Smallest PTC Thermistor Contributing to Improving the Safety of Multifunctional Smartphones and Small Wearables
Murata Manufacturing Co., Ltd. has succeeded in commercializing the world's smallest*1 PTC thermistor*2 (commonly known as a resettable fuse*3) in the 0201 inch size (0.6×0.3×0.3mm) for mobile devices, and has recently begun mass production of this device under the part number PRG03BC181QB6RL.

As smartphones and mobile devices become increasingly multifunctional and more compact, demand is growing for smaller components that protect small electronic circuits and ensure device stability. PTC thermistors exhibit a rapid increase in electrical resistance when their temperature rises beyond a certain point, allowing them to protect circuits and components from damage. By identifying overcurrent in circuits that may occur during assembly or when a device is dropped or receives a sudden impact, PTC thermistors work to prevent abnormalities and failures in mobile devices.

Drawing on process technology originally developed by Murata based on its mainstay multilayer ceramic capacitors and multilayer devices, the PRG03BC181QB6RL has achieved an approx. 80% smaller volume and an approx. 70% smaller footprint than the company’s previous PTC thermistor (the 0402 inch size, 1.0×0.5×0.5mm). Built using Murata's unique ceramic materials, the new product maintains its stable properties for a long time, thereby contributing to improving the safety of electronic devices.

NTC thermistors*4 have been used widely for controlling the temperature of electronic circuits in mobile devices. The new PTC thermistor will help manufacturers to prevent short circuits and further improve the safety of their products.

Murata will continue to expand its lineup in line with market needs and to contribute to improving the safety of mobile devices.
Product highlights
  • The world's smallest size (0201 inch, 0.6×0.3×0.3mm) ideal for multifunctional smartphones and small wearables
  • Murata's own ceramic technology enables small resistance change and excellent long-term stability in high-temperature environments
  • Operating temperature range: -20°C to +60°C
Related websites Please visit here for more details about the product.

 
*1 Based on an internal study. As of January 20, 2020.
*2 PTC thermistor : A positive temperature coefficient thermistor. The resistance increases significantly when the temperature rises beyond a certain point. It is used to detect overcurrent in electronic circuits and to protect circuits from overcurrent. Please visit here for more details about the PTC thermistor.
*3 Resettable fuse : A device that protects circuits when overcurrent occurs due to connection errors or short circuits. It is reusable as it automatically returns to its initial state when the overcurrent condition is removed.
*4 NTC thermistor : A negative temperature coefficient thermistor. Its resistance falls as the temperature rises. It is used for temperature sensing and temperature compensation in electronic circuits.
2020050303 / 08.05.2020 / Electronic-components / Murata Manufacturing Co., /

Multistack LPWAN kit for smart city designs
Murata, in cooperation with technology partner Sentinum, has introduced a multistack development kit for low-power wide area network (LPWAN) implementations. The Yamori dev kit features an array of wireless modules from Murata’s expansive portfolio to accelerate evaluation activity.

Murata introduces common mode noise filters for high-speed differential interfaces such as USB4
Murata Manufacturing Co., Ltd. has introduced the NFG0QHB_HS2 series of multilayer type common mode noise filters for high-speed differential interfaces (USB4, USB3.2 Gen1/2, HDMI2.1, etc.). Mass production of these products will start in May 2020.

Murata introduces Mass Production of a FORTELION 24V Battery Module for Industrial Equipment
Murata Manufacturing Co., Ltd. has developed a FORTELION 24V Battery Module (all-in-one type) that is ideal for industrial equipment requiring high output such as automated guided vehicles (AGVs)*1 and robots.

120W 1/8th brick DC-DC converter with 9-36Vdc range for industrial applications
Murata Electronics today announced that it has expanded its UWE family of DC-DC converters by Murata Power Solutions to include the UWE-Q12 series. This new product offers greater design flexibility because of the 9-36Vin range, 120 Watt rating, high efficiency, and cost effectiveness that it delivers.

Murata Begins Mass Production of World's Smallest PTC Thermistor Contributing to Improving the Safety of Multifunctional Smartphones and Small Wearables

Murata and Google team to develop world’s smallest AI module with Coral intelligence
Murata announces that it has created the world’s smallest artificial intelligence (AI) module in partnership with Google – the Coral Accelerator Module. The custom designed module packages Google’s Edge TPU ASIC within a miniaturized footprint.

New DC-DC Converters Offer 50 Percent Smaller Footprint
Murata unveiled the MYW series from the MonoBK™ DC-DC converter family. The new point-of-load (POL) modules offer a 50-percent smaller footprint than competing solutions and set new standards in size, efficiency and performance.

Murata announces world’s smallest LoRa®-based module with significantly reduced current consumption
Murata announces a new LoRa®-based module that, at just 10.0 mm x 8.0 mm x 1.6 mm, is the smallest available in the world today. Suitable for a wide range of high-volume applications where small size, long range, extended battery life, security and a competitive price point are requirements.

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