thermistor

MURATA ANNOUNCES SMALLEST PTC THERMISTORS FOR SMARTPHONES AND WEARABLES

MURATA ANNOUNCES SMALLEST PTC THERMISTORS FOR SMARTPHONES AND WEARABLES

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Murata has successfully commercialized the world’s smallest PTC thermistor (resettable fuse) with part number PRG03BC181QB6RL, in a 0201-inch size (0.6 x 0.3 x 0.3mm) package targeted for mobile devices. With an operating temperature from -20 deg C to 60 deg C the new PTC can provide excellent long term stability in high-temperature environments. They has succeeded in commercializing the […]

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Temperature to period circuit provides linearization of thermistor response

Temperature-to-period circuit provides linearization of thermistor response

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Designers often use thermistors rather than other temperature sensors because thermistors offer high sensitivity, compactness, low cost, and small time constants. But most thermistors’ resistance-versus-temperature characteristics are highly nonlinear and need correction for applications that require a linear response. Using a thermistor as a sensor, the simple circuit in Figure 1 provides a time period varying linearly

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Reading temperature on AVR Atmega using a thermistor with NTCtemp library 02

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A thermistor is a type of resistor whose resistance varies significantly with temperature, more so than in standard resistors. NTCtemp is a simple AVR library to read temperature from a thermistor connected to an atmega micro. The library implements three models convert adc value read from analog input to temperature: Steinhart-Hart Thermistor Equation Beta Model Equation Lookup

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