120-104KAJ-Q01

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Temperature Sensors - NTC Thermistors are electrical components that sense temperature and convert it into an electrical signal. The 120-104K AJ-Q01 is an NTC thermistor made by Accuray Technologies, Inc. It is a precision thermistor designed for accurate and reliable measurements over a wide temperature range.

A thermistor is usually a narrow cylindrical element made of semiconductor material such as polycrystalline silicon. It is a two-terminal device, with one terminal connected to the electrical signal source and the other connected to the thermistor body. The thermistor is sensitive to ambient temperature, and its resistance varies with temperature. This variation in resistance affects the electrical signal output.

The 120-104K AJ-Q01 is an NTC thermistori. NTC thermistors are categorized as negative temperature coefficient (NTC) devices. As the temperature rises, the resistance decreases. This makes sensing in the range of -40 °C to 105 °C with a fast response time possible. The thermistor also has an accuracy of ±0.2°C, making it suitable for temperature sensing and control applications.

The application field of the 120-104K AJ-Q01 NTC thermistor is wide, including automotive, telecom, industrial process control, HVAC, and home appliances. In automotive electronics, the NTC thermistor is used as a temperature sensing device in air conditioners, battery chargers, brake sensors, and engine control systems. In industrial process control, it is used to measure temperatures in furnaces, ovens, and chillers. In the telecommunications industry, it is used to regulate power supplies and temperatures in telecom routers and switches. The NTC thermistor is also used in HVAC systems to monitor room temperatures and in home appliances like toasters and kettles for temperature regulation.

The working principle of the 120-104K AJ-Q01 thermistor is related to its electrical properties. When the temperature increases, the resistance of the thermistor decreases and vice versa. The thermistor has a negative temperature coefficient, meaning that when the temperature increases, the resistance decreases. This property is used to measure temperature. When the thermistor is connected to a voltage source, the current through the thermistor increases as the temperature increases. The current is proportional to the temperature, and it can be measured and converted into a temperature signal.

The 120-104K AJ-Q01 thermistor is a precision temperature sensing device designed for accurate and reliable measurements over a wide temperature range. Its application field is wide, including automotive, telecom, industrial process control, HVAC, and home appliances. Its working principle is based on the negative temperature coefficient of the thermistor, where the current through the thermistor increases with increasing temperature.

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