LVR125S

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PTC Resettable Fuses are widely used in a variety of applications, from consumer electronics to large installations, in order to protect the equipment, components, and users from overload and over current conditions. One of the most popular and widely used PTC Resettable Fuses is the LVR125S. Its widespread applications and working principle will be the focus of the article.

The LVR125S is a Resettable Fuse with a 125 mA hold current and 125 mA trip current. It can be used in a variety of electronic applications to protect the circuit from over current and over temperature conditions. It is very popular among consumer electronic equipment, power supplies, variable frequency drives, lighting, and other electronic circuits. It is also used in medical and telecom applications due to its high performance and consistent results.

The working principle of the LVR125S is based on the use of a Polymer Positive Temperature Coefficient (PPTC) element, which has the property of increasing its internal resistance (Rising Resistance Principle) when a certain temperature is exceeded. This increase in the internal resistance is immediately detected by the LVR125S, and the resistance then triggers the breaking of the circuit and the cutting-off of the current.

When the current flow through the LVR125S is greater than 125 mA, the PTC element begins to gradually increase its internal resistance. As the resistance increases, the current passing through the LVR125S decreases. When the current drops below 125 mA, the PTC element stops increasing its internal resistance and the circuit breaker is reset. The resetting will restore the normal operation of the circuit.

The LVR125S can be used in various lighting, heating, and power supply applications. It efficiently protects the circuit from over current and over temperature conditions while providing high performance and reliable results. Furthermore, it can also be used in a wide variety of consumer electronic applications including audio equipment, mobile phones, computer peripherals, and more.

The LVR125S is a reliable and easy-to-install Resettable Fuse with high performance and consistent results. It is widely used in a variety of applications due to its ability to quickly and effectively respond to over current and over temperature conditions. It is a very important component for the efficient and trouble-free operations of a wide range of electronic equipment.

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