Results 1 to 10 of about 251,703 (265)

A Junction Temperature Prediction Method Based on Multivariate Linear Regression Using Current Fall Characteristics of SiC MOSFETs [PDF]

Sensors
The junction temperature (Tj) is a key parameter reflecting the thermal behavior of Silicon carbide (SiC) MOSFETs and is essential for condition monitoring and reliability assessment in power electronic systems.
Haihong Qin, Yang Zhang, Yu Zeng, Yuan Kang, Ziyue Zhu, Fan Wu   +5 more
doaj   +2 more sources

Junction temperature prediction method of GaN HEMT power devices based on accurate on-voltage testing

Energy Reports, 2023
Compared with Si devices, GaN HEMT has lower on-resistance, lower junction capacitance, higher switching frequency, higher switching speed and higher junction temperature capability. It is widely used in automotive, aerospace and other fields.
Haihong Qin, Jiangjin Peng, Zimo Zhang, Fanghua Zhang, Xu Zhao, Zhenxiang Xu   +5 more
doaj   +3 more sources

Machine Learning to Predict Junction Temperature Based on Optical Characteristics in Solid-State Lighting Devices: A Test on WLEDs [PDF]

Micromachines, 2022
While junction temperature control is an indispensable part of having reliable solid-state lighting, there is no direct method to measure its quantity. Among various methods, temperature-sensitive optical parameter-based junction temperature measurement ...
Mohammad Azarifar, Kerem Ocaksonmez, Ceren Cengiz, Reyhan Aydoğan, Mehmet Arik   +4 more
doaj   +2 more sources

LED Junction Temperature Measurement: From Steady State to Transient State [PDF]

Sensors
In this review, we meticulously analyze and consolidate various techniques used for measuring the junction temperature of light-emitting diodes (LEDs) by examining recent advancements in the field as reported in the literature.
Xinyu Zhao, Honglin Gong, Lihong Zhu, Zhenyao Zheng, Yijun Lu   +4 more
doaj   +2 more sources

Room-temperature single-electron junction. [PDF]

Proceedings of the National Academy of Sciences, 1996
The design, realization, and test performances of an electronic junction based on single-electron phenomena that works in the air at room temperature are hereby reported. The element consists of an electrochemically etched sharp tungsten stylus over whose tip a nanometer-size crystal was synthesized.
Facci P, Erokhin V, Carrara S, Nicolini C   +3 more
openaire   +4 more sources

Indirect Thermographic Temperature Measurement of a Power-Rectifying Diode Die Based on a Heat Sink Thermogram

Energies, 2022
This article concerns the indirect thermographic measurement of the junction temperature of a D00-250-10 semiconductor diode. Herein, we show how the temperature of the semiconductor junction was estimated on the basis of the heat sink temperature.
Krzysztof Dziarski, Arkadiusz Hulewicz, Łukasz Drużyński, Grzegorz Dombek   +3 more
doaj   +1 more source

Lifetime evaluation method of PV inverter considering the influence of fundamental frequency and low frequency junction temperature

Energy Reports, 2022
As an important part of photovoltaic (PV) system, the reliability of PV inverter is the key to ensure the safe and reliable operation of PV power generation system.
Bo Zhang, Yuan Gao, Enze Yang, Tiecheng Li, Xuekai Hu   +4 more
doaj   +1 more source

Thermal Performance of LED Filament in Flip-Chip Packaging Manufactured for Different Correlated Color Temperature

Applied Sciences, 2021
The effect of correlated color temperature (CCT) on the thermal performance of light emitting diode (LED) filament in flip-chip packaging was investigated in detail.
He Jiang, Jiming Sa, Cong Fan, Yiwen Zhou, Hanwen Gu, Xuezhou Yang, Xiaofeng Su, Zhushanying Zhang   +7 more
doaj   +1 more source

Dissipation in a finite-temperature atomic Josephson junction

Physical Review Research, 2022
We numerically demonstrate and characterize the emergence of distinct dynamical regimes of a finite temperature bosonic superfluid in an elongated Josephson junction generated by a thin Gaussian barrier over the entire temperature range where a well-formed condensate can be clearly identified.
K. Xhani, N. P. Proukakis
openaire   +4 more sources

Shot Noise of a Temperature-Biased Tunnel Junction [PDF]

Physical Review Letters, 2020
5 pages, 4 ...
Samuel Larocque, Edouard Pinsolle, Christian Lupien, Bertrand Reulet   +3 more
openaire   +3 more sources