PTGL09AR220M6C61B0

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PTC resettablefuses, also known as polyfuses, are a self-resetting style of fuse that has become commonplace in electronics recently. The PTGL09AR220M6C61B0is a popular form of this type of fuse. It is typically rated for a current of 2.2A and is suitable for low voltage DC applications.

A PTC resettablefuse works by using a combination of ofa positive temperature coefficient (PTC) thermistor and resistor elements. This device is typically placed in series with the power supply and current travels through it. The circuit is designed such that when the current goes above a certain level, the thermistor heats up, increasing its resistance and thus reducing thecurrent which flows through it. This reduces the current to a safe level and prevents further damage to the circuit. When the current has been reduced, the thermistor cools and the circuit returns to normal operation.

This type of resettable fuse has many applications, particularly in electronics wherea reliable, safe and self-regulating power source is required. Due to the thermistor\'s resistance changing with temperature, this fuse is particularly suitable for controlling the current on battery‑powered and/or small circuit boards. It is also used in automotive, lighting, telecommunications and security systems, where low power and low voltage requirements are involved and extreme current peaks must be avoided.

Fuses are an important safety mechanism in electronics, and the ability of the PTC Resettable fuse to reset itself is a significant positive for circuitry requiring constant readings and maintaining a steady force.The use of these PTC fuses also saves on time and money spent on constantly replacing "burned-out" old-style, non-resetable fuses. Plus, there\'s the long-term cost issue; the PTC resettable fuse can save up to 30 times the cost of a non-resettable fuse, over the life of the device.

The PTGL09AR220M6C61B0 fuse, as well as other types of PTC resettable fuses, offer several benefits. They are designed to provide reliable and safe protection of circuits when it comes to avoiding current peaks. As an added bonus, these resettable fuses provide cost savings by avoiding the necessity of replacing fuses which have reached their limit. In summary, PTC resettable fuses are a reliable, cost effective and safe option for protecting sensitive circuits.

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