What is ptc?

1, positive temperature coefficient: PTC is the abbreviation of positive temperature coefficient, which means positive temperature coefficient, and generally refers to semiconductor materials or components with large temperature coefficient. Usually, the PTC we refer to is a thermistor used to correct the temperature coefficient, which is called PTC thermistor for short. PTC thermistor is a typical semiconductor resistor with temperature sensitivity. When it exceeds a certain temperature (Curie temperature), its resistance value increases step by step with the increase of temperature.

2. World Snooker Players Tour Championship: PTC's full English name is Players Tour Championship, which is generally translated as Players Tour Championship or Players Tour for short. It belongs to the snooker mini-ranking competition, and the points are only about 1/3 of the regular ranking competition. There are 12 PTC stations in one season, plus PTC finals.

3.PTC Company: founded in 1985, headquartered in Massachusetts, USA. Since 1985, PTC has been providing services to top customers, acquiring important companies, creating industry-leading products, and helping users gain lasting advantages in products and services.

4, the United States photovoltaic standard test:

PTC is the most efficient component PTC test list in California (PVUSA). This test has quickly become a widely accepted standard for measuring the power and energy efficiency of solar modules in the actual environment.

5. Phase transfer catalyst, whose function is to transfer reactants from one phase to another to participate in the reaction, and promote the reaction between the substrate soluble in organic solvent and the ionic reagent insoluble in the solvent. This reaction is called phase transfer catalysis.