120-303JBF-Q02

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Temperature Sensors – NTC Thermistors

NTC thermistors are a class of temperature-sensitive resistors that are made from a mixture of metal oxides, such as manganese, zinc, cobalt, and nickel. They are commonly used in applications ranging from industrial processes, medical equipment, robotic systems, and computer systems. The NTC thermistor has a negative temperature coefficient, which means that its resistance decreases with an increase in temperature. The 120-303JBF-Q02 NTC thermistor is designed to be a temperature sensing element for applications such as controlling temperature, regulating process control, and providing temperature compensation.

The 120-303JBF-Q02 NTC thermistor has a working principle based on the phenomenon of temperature-dependent resistance. When the temperature of the thermistor changes, its resistance changes in a predictable way. Its resistance changes oppositely to the temperature change. When the temperature rises, the thermistor\'s resistance decreases; when the temperature drops, the thermistor\'s resistance increases. This change in resistance can be used to determine the temperature in a given environment.

The 120-303JBF-Q02 NTC thermistor is designed to be used in a variety of applications, such as:

• In medical and healthcare applications, to measure body temperature.
• In automotive motors and engines, to regulate their operating temperature.
• In environmental monitoring, to measure the temperature of air, water, and soil.
• In HVAC systems, to maintain indoor temperature.
• In communications and industrial automation, to control equipment temperatures.
• In heating, ventilation, air conditioning (HVAC) systems, to control room temperature.
• In refrigeration systems, to regulate the temperature of food items.
• In electrical and electronic circuits, to detect and measure temperature.

The 120-303JBF-Q02 NTC thermistor is made of a mix of metal oxides, and is available in a range of sizes and shapes. The thermistor is designed to be hermetically sealed within a package made of epoxy or Polytetrafluoroethylene (PTFE). It is resistant to most types of liquids and is suitable for operation at a wide range of temperatures from -55°C to 205°C (-67°F to 400°F). The thermistor also offers a fast response time and high accuracy.

The 120-303JBF-Q02 NTC thermistor is typically connected to a circuit in series, with a Constant Current (CC) source and a microcontroller. The constant current source is used to maintain a constant current flow through the thermistor, which causes the resistance of the thermistor to change when the temperature changes. The microcontroller is used to measure the resistance of the thermistor remotely and calculate the temperature. The temperature measurement can then be used to control the device in question.

In summary, the 120-303JBF-Q02 NTC thermistor is a temperature-sensitive resistor designed to measure temperatures in a variety of applications. Its negative temperature coefficient makes it suitable for operation in a wide range of temperatures, and its hermetically sealed package makes it resistant to most liquids. Its fast response time and accurate readings make it an ideal choice for temperature monitoring and control.

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