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Highest operating temperature of a semiconductor
Junction temperature, short for transistor junction temperature, is the temperature of the actual semiconductor in an electronic device. In operation
Junction_temperature
Device for measuring temperature
dissimilar electrical conductors forming an electrical junction. A thermocouple produces a temperature-dependent voltage as a result of the Seebeck effect
Thermocouple
Temperature range in which the equipment is expected to function reliably
junction temperature in °C, Ta is the ambient temperature in °C, PD is the power dissipation of the integrated circuit in W, and Rja is the junction to
Operating_temperature
Reliability test applied to integrated circuits
modules operation I/O ring activity Monitor design Ambient temperature (Ta) Junction temperature (Tj) Voltage stress (Vstrs) Acceleration factor (AF) Test
High-temperature operating life
High-temperature_operating_life
LED lamp with visible filaments
LED chips correlates to the junction temperature (Tj); light output falls faster with time at higher junction temperatures. Achieving a 30,000 hour life
LED_filament
Technical specification
various limitations of the device — maximum voltage, current, power, junction temperature, secondary breakdown — into one curve, allowing simplified design
Safe_operating_area
Variety of thermoelectric generator
initial thermoelectric couple hot junction temperature was 1273 K (1000 °C, 1832 °F) with a cold junction temperature of 573 K (300 °C, 572 °F). Each Voyager
MHW-RTG
Law of electrical current and voltage
voltage between the thermocouple terminals was proportional to the junction temperature. He then added test wires of varying length, diameter, and material
Ohm's_law
Electric current generation from light
global incident irradiance G on the module plane. However, the temperature T of the p–n junction also influences the main electrical parameters: the short-circuit
Photovoltaic_effect
Temperature regulation of diodes
management to be particularly acute. In order to maintain a low junction temperature to keep good performance of an LED, every method of removing heat
Thermal management of high-power LEDs
Thermal_management_of_high-power_LEDs
Amount of heat a computer's cooling system must dissipate
can dissipate up to 20 watts of heat without exceeding the maximum junction temperature for the laptop's CPU. A cooling system can do this using an active
Thermal_design_power
Practical physics application
a maximum junction temperature of 125 or 150 °C, and lower temperatures are advisable in the interests of long life. At these temperatures, relatively
Light-emitting_diode_physics
Solid-state electrically operated switch also used as an amplifier
applications. Maximum junction temperature values represent a cross-section taken from various manufacturers' datasheets. This temperature should not be exceeded
Transistor
Direct conversion of temperature differences to electric voltage and vice versa
The thermoelectric effect is the direct conversion of temperature differences to electric voltage and vice versa via a thermocouple. A thermoelectric
Thermoelectric_effect
Phenomenon inducing change in convection current within fluid
al. have a publication of "Thermal Transient Effect and Improved Junction Temperature Measurement Method in High Voltage Light-Emitting Diodes". In their
Thermal_inductance
Loss of control of an exothermal process due to temperature increases
increased temperature, in turn releasing energy that further increases temperature. Thermal runaway occurs in situations where an increase in temperature changes
Thermal_runaway
Materials' resistance to heat transfer
from junction to case (symbol: R θ J C {\displaystyle R_{\theta {\rm {JC}}}} ), and the maximum allowable temperature of the semiconductor junction (symbol:
Thermal conductance and resistance
Thermal_conductance_and_resistance
Power semiconductor through-hole package
internal (junction) temperature typically 2 to 5 °C higher than the package's temperature (due to the thermal resistance between the junction and the metal
TO-220
Semiconductor device capable of handling large amounts of electricity
devices, used up to around 100 kHz, and up to 85 degrees Celsius junction temperature. Silicon power transistors were not made until 1957, but when available
Power_semiconductor_device
Equipment in thermodynamics
CPU and GPU temperature readings. The silicon diodes have temperature dependency of -2mV per degree Celsius. Thus the junction temperature can be determined
Thermal_diode
Adjustable linear voltage regulator
worked for National Semiconductor. Without a heat sink at an ambient temperature at 50 °C, a maximum power dissipation of (TJ-TA)/RθJA = ((125-50)/80)
LM317
MOSFET that can handle significant power levels
maximum junction temperature, due to the molding compound and (where used) epoxy characteristics. The maximum operating ambient temperature is determined
Power_MOSFET
Assembly of photovoltaic cells used to generate electricity
incident irradiance G in the plane of the module. However, the temperature T of the p–n junction also influences the main electrical parameters: the short
Solar_panel
Topics referred to by the same term
Terajoule, a unit of energy equal to 1012 joules Thermal Junction, or Junction temperature, in semiconductors Tommy John surgery, a surgical procedure
TJ
annual average temperature is not Hokkaido, but Mount Fuji at the junction of Shizuoka and Yamanashi prefecture. The annual average temperature is −5.9 °C
List of extreme temperatures in Japan
List_of_extreme_temperatures_in_Japan
Superconducting circuit element
critical temperature. Although for a SIS Josephson junction, the current-phase relationship is often close to being perfectly sinusoidal, the SNS junction current-phase
Josephson_junction
marketed for industrial use and support operating at colder ambient temperatures. Model numbers with the "a" suffix are marketed for automotive use and
List_of_AMD_Ryzen_processors
Type of solid state switch
Guoqing (2020). "A High Precision On-Line Detection Method for IGBT Junction Temperature Based on Stepwise Regression Algorithm". IEEE Access. 8: 186172–186180
Insulated-gate bipolar transistor
Insulated-gate_bipolar_transistor
Model Released Fab Step. CPU GPU DDR3 Memory support TDP (W) Junction temperature (°C) Part number Cores (threads) Clock (GHz) Cache Model Config Clock
List of AMD processors with 3D graphics
List_of_AMD_processors_with_3D_graphics
Device that converts thermal energy into electrical energy
(thermocouples) are exposed to a temperature difference. Thermocouples operate by measuring the temperature differential from their junction point to the point in
Thermopile
Series of budget AMD microprocessors for personal computers
Model number Step. CPU GPU DDR3 Memory support Maximum Junction Temperature TDP (W) Released Part number Cores Frequency (Voltage) (GHz) Cache Vcore Model
Athlon_X4
1960s NASA program which developed and tested nuclear reactors for satellites
thermal energy for 130 days. The hot junction temperature was 925 °F (496 °C; 769 K), the cold junction temperature was 350 °F (177 °C; 450 K). They had
Systems for Nuclear Auxiliary Power
Systems_for_Nuclear_Auxiliary_Power
Electric light that produces light using LEDs
LEDs is required to keep the junction temperature of the LED device close to ambient temperature, since increased temperature reduces light output and can
LED_lamp
Process of removing waste heat from a computer
temperature must never exceed a specified maximum permissible value unique to each component. For semiconductors, instantaneous junction temperature,
Computer_cooling
Two-terminal electronic component
type today, is a crystalline piece of semiconductor material with a p–n junction connected to two electrical terminals. It has an exponential current–voltage
Diode
Quantum physical phenomenon
transition temperature, which sets the superconducting energy gap and directly influences the current voltage characteristics of the Josephson junction. Aluminum
Josephson_effect
Temperature monitoring device for cylinder heads of an engine
error can be corrected with a cold-junction compensating thermistor, which measures the temperature at the cold junction so the gauge can adjust the reading
Cylinder Head Temperature gauge
Cylinder_Head_Temperature_gauge
City in and seat of Mesa County, Colorado, USA
hot and dry, with a July mean temperature of 78.2 °F (25.7 °C). Grand Junction averages 68 days a year with temperatures at 90 °F (32 °C) or above, and
Grand_Junction,_Colorado
Semiconductor diode
voltage of the base-collector junction). The Schottky temperature coefficient is lower than the coefficient of the B–C junction, which limits the use of PdSi
Schottky_diode
Type of field-effect transistor
further heat. When the heatsink is not able to keep the temperature low enough, the junction temperature may rise quickly and uncontrollably, resulting in destruction
MOSFET
Superconductive behavior at temperatures much higher than absolute zero
High-temperature superconductivity (high-Tc or HTS) is superconductivity in materials with a critical temperature (the temperature below which the material
High-temperature superconductivity
High-temperature_superconductivity
System designed to maintain a constant voltage
reduced output voltage. This value is dependent on load current and junction temperature. Inrush current or input surge current or switch-on surge is the
Voltage_regulator
Diode that allows current to flow in the reverse direction at a specific voltage
silicon diode (or a transistor B–E junction) manufactured on the same chip. The forward-biased diode has a temperature coefficient of −2 mV/°C, causing
Zener_diode
Thermometer used in electronic equipment
where T = temperature in kelvins, T0 = reference temperature, VG0 = bandgap voltage at absolute zero, VBE0 = junction voltage at temperature T0 and current
Silicon bandgap temperature sensor
Silicon_bandgap_temperature_sensor
Semiconductor–semiconductor junction
A p–n junction is a combination of two types of semiconductor materials, p-type and n-type, in a single crystal. The "n" (negative) side contains freely-moving
P–n_junction
Magnetic effect in insulators between ferromagnets
tunnel junction [Fe/MgO/FeCo(001)]. In 2004, Parkin and Yuasa were able to make Fe/MgO/Fe junctions that reach over 200% TMR at room temperature. In 2008
Tunnel_magnetoresistance
Method to produce electricity from solar radiation
incident irradiance G in the plane of the module. However, the temperature T of the p–n junction also influences the main electrical parameters: the short
Photovoltaics
Keynes Central and Watford Junction, whilst high track temperatures led to speed restrictions between the latter and Clapham Junction and Euston. Speed restrictions
2026_United_Kingdom_heatwaves
City in Alaska, United States
Delta Junction (Russian: Делта-Джанкшен; Ukrainian: Делта-Джанкшен, romanized: Delta Dzhankshen) is a city in Southeast Fairbanks Census Area, Alaska,
Delta_Junction,_Alaska
German physicist (1770–1831)
with junctions at different temperatures would deflect a compass magnet. Seebeck believed this was due to magnetism induced by the temperature difference
Thomas_Johann_Seebeck
Electronic circuit
unity. Exact value of voltage gain depends on load current and junction temperatures, as well as on the values of the emitter-to-load resistors (if any
Diamond_buffer
City in Arizona, United States
Desert, Apache Junction has a hot semi-arid climate, abbreviated "BSh" on climate maps. The hottest temperature recorded in Apache Junction was 119 °F (48
Apache_Junction,_Arizona
thermoelectric couples. A hot junction temperature of 1273 K (1832 °F) with a cold junction temperature of 573 K (572 °F) compose the temperature gradient in the thermoelectric
Application of silicon-germanium thermoelectrics in space exploration
Application_of_silicon-germanium_thermoelectrics_in_space_exploration
is passed through a couple of dissimilar metals the temperature is lowered or raised at the junction of the metals, depending on the direction of the current
History of electromagnetic theory
History_of_electromagnetic_theory
Transistor that uses both electrons and holes as charge carriers
the known temperature and current dependence of the forward-biased base–emitter junction voltage, the BJT can be used to measure temperature by subtracting
Bipolar_junction_transistor
Electronic component delivering stable electric current regardless of voltage
thermal compensation is imperfect. In bipolar transistors, as the junction temperature increases the Vbe drop (voltage drop from base to emitter) decreases
Current_source
Electronic device
superconducting critical temperature of 7.2 K, and so a lead-oxide-lead junction can operate in liquid helium at 4.2K. However, a lead junction is unstable; it
Superconducting tunnel junction
Superconducting_tunnel_junction
Voltmeter
connected, so that cold-junction compensation may be applied to correct the apparent measured EMF to the standard cold-junction temperature of 0 °C. To make
Potentiometer (measuring instrument)
Potentiometer_(measuring_instrument)
Temperature at the outer surface of a living body
Skin temperature is the temperature of the outermost surface of the body. Normal human skin temperature on the trunk of the body varies between 33.5 and
Skin_temperature
Device that approximates natural sunlight
and spectral match. Because LED emission is somewhat sensitive to junction temperature, LEDs have the disadvantage of requiring adequate thermal management
Solar_simulator
Material of moderate electrical conductivity
doping levels are present in the same crystal, they form a semiconductor junction. The term "semiconductors" is sometimes used to refer to semiconductor
Semiconductor
Electronic oscillator circuit
increasing the temperature is not equal to the frequency on the same temperature achieved by decreasing the temperature. The temperature sensitivity depends
Crystal_oscillator
; Cooper, M.; Chen, Y.; Bernstein, J. (October 2003). "Impact of junction temperature on microelectronic device reliability and considerations for space
Joseph_B._Bernstein
2020 Android-based smartphone from Vivo
Liquid Cooling Technology, which the company claims lowers the CPU junction temperature by "up to 3°C to 7°." The Vivo V19 has a total of 6 cameras- 4 on
Vivo_V19
City in West Bengal, India
average temperature of 16.4 °C or 61.5 °F. The minimum temperature in winter season sometimes drops to or below 5 °C or 41 °F. The highest temperature ever
Siliguri
multiple heatwaves. Record-breaking temperatures came as early as April; however, the most extreme temperatures began in mid-June, when experts estimated
2025_European_heatwaves
LED light gauge
exposed to high photonic energy emitted by the LED and heat from the junction temperature, the VOCs start to discolor and deteriorate the LED, by through the
Lumen_maintenance
Applies an electric current to heat or cool materials
semiconductors there is a flow of DC current across the junction of the semiconductors, causing a temperature difference. The side with the cooling plate absorbs
Thermoelectric_heat_pump
Technology of power electronics
specialized heat sinks or active cooling systems to manage their junction temperature; exotic semiconductors such as silicon carbide have an advantage
Power_electronics
Chemical compound
Moreover, the temperature dependence of the pKa (and in turn buffer solution pH) makes pH adjustment difficult. (E.g., the 'room temperature' pH adjustment
Tris
Type of magnetometer
connected across the junction to eliminate the hysteresis (in the case of copper oxide based high-temperature superconductors the junction's own intrinsic resistance
SQUID
Electrical circuit
exponential current–voltage relationship of a p–n junction (either from a diode or bipolar junction transistor) as negative feedback to compute the logarithm
Log_amplifier
Valley in the Mojave Desert, Eastern California
hottest surface temperature recorded on Earth. On the afternoon hours of July 10, 1913, the United States Weather Bureau recorded a temperature of 134 °F (56
Death_Valley
Julius Wilhelm Gintl Julius von Mayer Jun-ichi Nishizawa Jun Kondo Junction temperature Jupiter mass Jurij Vega Juris Upatnieks Justus Mühlenpfordt János
Index_of_physics_articles_(J)
Semiconductor flaw
hole pairs. This current increases with temperature, as more minority charges are produced, which is why temperature management is particularly important
Reverse_leakage_current
Maximum theoretical efficiency of a solar cell
the maximum theoretical efficiency of a solar cell using a single p–n junction to collect power from the cell where the only loss mechanism is radiative
Shockley–Queisser_limit
City in Viluppuram district, India
west of Cuddalore null The town serves as a major and largest railway junction, and National Highway 45 passes through it. Agriculture is a main source
Viluppuram
Train in India
Gorakhpur Junction Basti Gonda Junction Lucknow Charbagh Bareilly Junction Moradabad Junction Laksar Junction Roorkee Saharanpur Junction Yamunanagar-Jagadhri
Gorakhpur–Jammu Tawi Amarnath Superfast Express
Gorakhpur–Jammu_Tawi_Amarnath_Superfast_Express
City in Vermont, United States
seasonal temperature differences, with warm to hot summers and cold winters. According to the Köppen Climate Classification system, Essex Junction has a
Essex_Junction,_Vermont
Electrical engineering equation
the Boltzmann constant, T {\displaystyle T} is the absolute temperature of the p–n junction, and q {\displaystyle q} is the elementary charge (the magnitude
Shockley_diode_equation
a slip plane at room temperature in FCC materials. This configuration contributes to immobility of the Lomer-Cottrell junction. Anderson, P.M.; Hirth
Lomer–Cottrell_junction
Term in mesoscopic physics
has been observed next above liquid helium temperature, up to room temperature. To make a tunnel junction in plate condenser geometry with a capacitance
Coulomb_blockade
City in Geary County, Kansas
The minimum temperature falls below the freezing point 32 °F (0 °C) an average of 121.8 days per year. As of the 2020 census, Junction City had a population
Junction_City,_Kansas
Electrical conductivity with exactly zero resistance
gradually as its temperature is lowered, even down to near absolute zero, a superconductor has a characteristic critical temperature below which the resistance
Superconductivity
Butte in Utah, United States
Junction Butte is a 6,400-foot-elevation (2,000-meter) summit located in the Island in the Sky District of Canyonlands National Park, in San Juan County
Junction_Butte
Most populous city in Canada
The Junction areas still contain factories, meat-packing facilities and rail yards close to medium-density residential. However, the Junction's Union
Toronto
A ferroelectric tunnel junction (FTJ) is a form of tunnel junction including a ferroelectric dielectric material sandwiched between two electrically conducting
Ferroelectric_tunnel_junction
Point where the Gorda plate, the North American plate, and the Pacific plate meet
The Mendocino triple junction (MTJ) is the point where the Gorda plate, the North American plate, and the Pacific plate meet, in the Pacific Ocean near
Mendocino_triple_junction
French physicist (1785–1845)
that junction. In other words, the passage of a current from an external source produces in the junctions of the circuit a distribution of temperature which
Jean_Charles_Athanase_Peltier
Country primarily in North America
February 16, 2021. Fitzsimmons, Emma G. (April 24, 2017). "Amtrak at a Junction: Invest in Improvements, or Risk Worsening Problems". The New York Times
United_States
crystalline silicon solar cell at various temperatures. As series resistance increases, the voltage drop between the junction voltage and the terminal voltage
Theory_of_solar_cells
Transistor that acts as a diode
field-effect transistors (MOSFETs) and junction-gate field-effect transistors (JFETs), and in the active region for bipolar junction transistors (BJTs). A diode-connected
Diode-connected_transistor
the equivalent solid conductor. When it is desirable to maintain junction temperatures below 125–150 °C, copper/water heat pipes are typically used. Copper/methanol
Copper_in_heat_exchangers
Type of field-effect transistor
The junction field-effect transistor (JFET) is one of the simplest types of field-effect transistor. JFETs are three-terminal semiconductor devices that
JFET
Type of resistor whose resistance varies with temperature
strongly dependent on temperature. The word thermistor is a portmanteau of thermal and resistor. The varying resistance with temperature allows these devices
Thermistor
Major heat wave in Europe
particularly in the northern areas, but eight consecutive days with temperatures of more than 40 °C were recorded in Auxerre, Yonne in early August 2003
2003_European_heatwave
Group of Texas A&M Aggies football players
The Junction Boys were the "survivors" of Texas A&M Aggies football coach Bear Bryant's brutal 10-day summer camp in Junction, Texas, beginning September
Junction_Boys
In electronics, a rubber diode or VBE multiplier is a bipolar junction transistor circuit that serves as a voltage reference. It consists of one transistor
Rubber_diode
Quantum mechanical device
SIFS junctions; and S-Fi-S junctions. Josephson junctions with unconventional order parameter symmetry. Novel superconductors, notably high temperature cuprate
Pi_Josephson_junction
Physical constant relating particle kinetic energy with temperature
p–n junction—depends on a characteristic voltage called the thermal voltage, denoted by VT. The thermal voltage depends on absolute temperature T as
Boltzmann_constant
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
Biblical
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Surname or Lastname
English
English : topographic name for someone who lived by the gates of a medieval walled town. The Middle English singular gate is from the Old English plural, gatu, of geat ‘gate’ (see Yates). Since medieval gates were normally arranged in pairs, fastened in the center, the Old English plural came to function as a singular, and a new Middle English plural ending in -s was formed. In some cases the name may refer specifically to the Sussex place Eastergate (i.e. ‘eastern gate’), known also as Gates in the 13th and 14th centuries, when surnames were being acquired.Americanized spelling of German Götz (see Goetz).Translated form of French Barrière (see Barriere).In New England, Gates was the preferred English version of the name of an extensive French family, called Barrière dit Langevin.
Surname or Lastname
South German
South German : occupational name for an official in charge of the legal auction of property confiscated in default of a fine; such a sale was known in Middle High German as a gant (from Italian incanto, a derivative of Late Latin inquantare ‘to auction’, from the phrase In quantum? ‘To how much (is the price raised)?’).German : metonymic occupational name for a cooper, from Middle High German ganter, kanter ‘barrel rack’.German : variant of Gander 3.English : occupational name for a glover, from Old French gantier, an agent derivative of gant ‘glove’ (see Gant).
Surname or Lastname
English
English : nickname from the animal, Middle English catte ‘cat’. The word is found in similar forms in most European languages from very early times (e.g. Gaelic cath, Slavic kotu). Domestic cats were unknown in Europe in classical times, when weasels fulfilled many of their functions, for example in hunting rodents. They seem to have come from Egypt, where they were regarded as sacred animals.English : from a medieval female personal name, a short form of Catherine.Variant spelling of German and Dutch Katt.
Boy/Male
Buddhist, Indian, Japanese
Mysterious Function
Surname or Lastname
English
English : topographic name for someone who lived by a watercourse or road junction, Old English gelǣt, or a habitational name from Leat in Devon, or The Leete in Essex, named with this element.
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
Girl/Female
Arabic
Friendly; Talkative; Affable
Girl/Female
Tamil
Kalanidhi | கலாநிதி
Treasure of art
Boy/Male
Indian
Prince.
Girl/Female
Arabic, Muslim
Pleasure; Delighted; Content
Male
German
Frisian form of Old High German Gerhard, GARRIT means "spear strong."
Girl/Female
Hindu, Indian
Name of Goddess Lakshmi and a Name Given to Karmic Yoga
Boy/Male
Christian, Indian
Seamen; Mariner; Sea Warrior
Boy/Male
Indian, Punjabi, Sikh
Supporting People
Girl/Female
Greek Latin
From Persia.
Surname or Lastname
English
English : occupational name for a maker or seller of goblets, from Old French hanapier.German and Dutch : from the Germanic personal name Hambert, composed of either haim, heim ‘home’ or hagan ‘enclosure’, ‘protected place’ + berht ‘bright’, ‘famous’.
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
n.
A derived function; a function obtained from a given function by a certain algebraic process.
v. i.
Alt. of Functionate
n.
The appropriate action of any special organ or part of an animal or vegetable organism; as, the function of the heart or the limbs; the function of leaves, sap, roots, etc.; life is the sum of the functions of the various organs and parts of the body.
n.
The act of joining, or the state of being joined; union; combination; coalition; as, the junction of two armies or detachments; the junction of paths.
v. t.
To sell by auction.
n.
The natural or assigned action of any power or faculty, as of the soul, or of the intellect; the exertion of an energy of some determinate kind.
n.
The things sold by auction or put up to auction.
n.
The course of action which peculiarly pertains to any public officer in church or state; the activity appropriate to any business or profession.
v. t.
To give sanction to; to ratify; to confirm; to approve.
n.
A quantity so connected with another quantity, that if any alteration be made in the latter there will be a consequent alteration in the former. Each quantity is said to be a function of the other. Thus, the circumference of a circle is a function of the diameter. If x be a symbol to which different numerical values can be assigned, such expressions as x2, 3x, Log. x, and Sin. x, are all functions of x.
n.
A puncturing, or pricking; a puncture.
n.
Junction; adaptation
v. t.
The act of uniting, or the state of being united; junction.
a.
Pertaining to the function of an organ or part, or to the functions in general.
n.
The place or point of union, meeting, or junction; specifically, the place where two or more lines of railway meet or cross.
n.
The office, duties, or functions of a minister, servant, or agent; ecclesiastical, executive, or ambassadorial function or profession.
v. t.
To supply with an organ or organs having a special function or functions.
n.
The act of anointing, smearing, or rubbing with an unguent, oil, or ointment, especially for medical purposes, or as a symbol of consecration; as, mercurial unction.
n.
The act of anointing, or the state of being anointed; unction; specifically (Med.), the rubbing of ointments into the pores of the skin, by which medicinal agents contained in them, such as mercury, iodide of potash, etc., are absorbed.
n.
The act of executing or performing any duty, office, or calling; per formance.