A temperature coefficient describes the relative change of a physical property that is associated with a given change in temperature. For a property R...
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The Q10 temperature coefficient is a measure of temperature sensitivity based on the chemical reactions. The Q10 is calculated as: Q 10 = ( R 2 R 1 )...
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models. Negative-temperature-coefficient (NTC) thermistors have less resistance at higher temperatures, while positive-temperature-coefficient (PTC) thermistors...
32 KB (4,123 words) - 10:51, 25 May 2025
Thermal expansion (redirect from Coefficient of thermal expansion)
by the change in temperature is called the material's coefficient of linear thermal expansion and generally varies with temperature. If an equation of...
49 KB (6,124 words) - 22:14, 2 July 2025
Fuel temperature coefficient of reactivity is the change in reactivity of the nuclear fuel per degree change in the fuel temperature. The coefficient quantifies...
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in response to a temperature difference across that material, as induced by the Seebeck effect. The SI unit of the Seebeck coefficient is volts per kelvin...
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Thermoelectric effect (redirect from Thomson coefficient)
effect (thermocouples create temperature differences), and the Thomson effect (the Seebeck coefficient varies with temperature). The Seebeck and Peltier...
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A positive-temperature-coefficient heating element (PTC heating element), or self-regulating heater, is an electrical resistance heater whose resistance...
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Resettable fuse (redirect from Polymeric Positive Temperature Coefficient)
A resettable fuse or polymeric positive temperature coefficient device (PPTC) is a passive electronic component used to protect against overcurrent faults...
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Joule–Thomson effect (redirect from Joule-Thomson coefficient)
either. The coefficient is negative at both very high and very low temperatures; at very high pressure it is negative at all temperatures. The maximum...
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transfer coefficient (W/m2K) A {\displaystyle A} : surface area where the heat transfer takes place (m2) T 2 {\displaystyle T_{2}} : temperature of the...
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Crystal oscillator (section Temperature effects)
frequency at room temperature, but slows when the temperature either increases or decreases from room temperature. A common parabolic coefficient for a 32 kHz...
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Constantan (section Temperature measurement)
1887, Edward Weston discovered that metals can have a negative temperature coefficient of resistance, inventing what he called his "Alloy No. 2." It was...
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resistors, particularly ammeter shunts, because of its virtually zero temperature coefficient of resistance value and long term stability. Several Manganin resistors...
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marked negative temperature coefficient. Above 5.6 volts, the avalanche effect dominates and exhibits a positive temperature coefficient. In a 5.6 V diode...
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indicates temperature coefficient. The first letter gives the significant figure of the change in capacitance over temperature (temperature coefficient α) in...
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increases as temperature increases within certain temperature ranges. By combining samarium and gadolinium in the alloy, the temperature coefficient can be...
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Resistance thermometer (redirect from Resistance temperature detector)
change of the sensor per degree of temperature change. The relative change in resistance (temperature coefficient of resistance) varies only slightly...
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positive temperature coefficient (i.e., it increases with temperature). The base–emitter voltage for each transistor has a negative temperature coefficient (i...
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For the ranges of temperature-values see: Orders of magnitude (temperature) This includes thermal mass or temperature coefficient of energy, reaction...
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conductivity and temperature coefficient of various materials at 20 °C (68 °F; 293 K). The effective temperature coefficient varies with temperature and purity...
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Balance wheel (redirect from Auxiliary temperature compensation)
springs of a low thermal coefficient of elasticity alloy such as Nivarox. The two alloys are matched so their residual temperature responses cancel out,...
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Kelvin–Varley divider (section Temperature coefficient)
external conditions. Resistance will vary with temperature. Carbon film resistors have temperature coefficients of several hundred parts per million per kelvin...
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is related to the material's temperature coefficient of resistance (TCR) specifically its negative temperature coefficient. Industry currently manufactures...
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conductivity for a table. The temperature coefficient of resistivity is similar but not identical to the temperature coefficient of resistance. The small difference...
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electrical load, time, temperature (as of 1999[update], they typically have an initial error of 0.5–1.0% and a temperature coefficient of 25–50 ppm/°C). David...
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change in resistance due to its temperature coefficient when it warms. Excessive power dissipation may raise the temperature of the resistor to a point where...
71 KB (8,301 words) - 20:04, 26 March 2025
Diode (section Temperature measurements)
negative temperature coefficient, typically −2 mV/°C for silicon diodes. The temperature coefficient is approximately constant for temperatures above about...
64 KB (7,373 words) - 20:54, 27 June 2025
temperature coefficient High-power measurement of the reactor temperature coefficient Reactor startup on temperature coefficient Sodium temperature coefficient...
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resistance when subjected to a corresponding change in body temperature. Negative Temperature Coefficient (NTC) thermistors exhibit a decrease in electrical resistance...
5 KB (444 words) - 03:22, 2 January 2024