SMD150F/33-2920-2

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PTC Resettable Fuses are essential for electronic devices that need protection from overloads and short-circuits. They are an alternative to traditional fuses, as they do not require replacement after use. The SMD150F/33-2920-2 is a type of PTC Resettable Fuse that is designed for a variety of applications. This article will focus on the application field and working principle of the SMD150F/33-2920-2.

The SMD150F/33-2920-2 is designed for applications with a steady current and overcurrent need protection, such as power supplies and lighting. It has a low trip current, which is just 4.25 A, and a high trip current of 6.61 A. In addition, it has a high surge capability and is resistant to voltage transients.

The working principle of the SMD150F/33-2920-2 is fairly simple. When the current level rises above its trip current, the PTC element melts, opens up, and starts to act as an open circuit. This interrupts the current flow and protects the connected equipment from overloads and short-circuits. The current is then reset by reducing the current level below the trip current. This causes the PTC element to cool and reset, allowing the current to flow through again.

The SMD150F/33-2920-2 is designed for applications that require low power, high surge capability, and protection from overcurrents and short-circuits. Its small size makes it ideal for use in tight spaces. Additionally, its resettable feature makes it a cost-effective solution, as it eliminates the need to purchase and install new fuses. It is a reliable and efficient way to protect many types of electronic devices.

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