1812L160/12DR

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PTC (Positive Temperature Coefficient) Resettable Fuses, also known as polyfuses, are devices specially designed to provide an active way of protecting against over-current surges and shorts. These devices offer an efficient and cost-effective way of protecting electronic equipment and circuits from the damaging effects of power surges, or overloads. They are particularly useful for such applications where hard-wired circuit protection may be too expensive or impractical.

The 1812L160/12DR is a PTC Resettable Fuse designed for general purpose over-current protection applications. The Fuse has a voltage rating of 160V, and is rated for 12A, making it a great choice for protecting any equipment powered by a high-voltage power supply. The device consists of a plastic body encased in a rigid ceramic insulator, which houses a silicon bead inside. The bead is coated with a silicone rubber coating, which serves to protect the bead from heat, dust and other environmental factors.

The principle of operation of the 1812L160/12DR is simple. When currents over a certain predefined limit start to flow through the fuse, the silicone rubber coating of the bead starts to heat up. When the temperature of the bead reaches a certain point, the resistance of the bead increases. This in turn increases the resistance of the entire fuse, thus limiting the current flow and protecting the circuit from possible overloads.

Once the temperature of the bead has returned to normal, the fuse will reset and restore the normal flow of current. The advantage of using a PTC Resettable Fuse is that it can be reset multiple times, allowing it to provide reliable over-current protection without having to be replaced. This makes the 1812L160/12DR an ideal choice for applications in which regular current overloads are common.

The 1812L160/12DR is also compatible with a wide range of fusing options and can be used with both AC and DC circuits. This makes it an ideal choice for applications such as portable electronics, motors, and medical equipment, where reliable over-current protection is required. The 1812L160/12DR PTC Resettable Fuse can also be used with a variety of industry-standard fuses such as poly-fuses, SMD fuses, and blade-style fuses.

Overall, the 1812L160/12DR PTC Resettable Fuse is a great choice for providing reliable over-current protection and resetting without the need for replacement. The device is rugged and reliable, and can be used with a variety of industry-standard fuses. As such, it can be used in a wide variety of applications, making it an ideal choice for a wide range of electronic equipment.

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