V18MLA0603A

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The V18MLA0603A is a general purpose varistor used in transient voltage protection applications and is well-suited to pasting on circuit boards or for use in tight component spacing. The V18MLA0603A is designed to be used specifically for transient voltage surge protection, meeting standards like the IEC 61000-4-5. It is able to safely absorb a large amount of energy without self-destruction and is used to protect against excessive voltage, preventing damage to expensive equipment.

Varistors are devices that work on the principle of non-linear voltage-current characteristics. They are non-linear resistors that act as a form of voltage-controlled protection against spikes in electrical current. Basically, the resistance of a varistor varies based on the amount of voltage applied to it, allowing it to work like a switch, limiting the flow of voltage when it exceeds a predetermined amount. The V18MLA0603A is such a device, which uses the varistor principle to protect against transient voltage surges. The device also has applications for lightning protection where it acts as an EMI reduction device.

The V18MLA0603A is composed of a Metal Oxide Semiconductor Varistor (MOV) and a Temporarily Applied Voltage Reduction (TAVR) resistance element in a single package. This combination allows it to effectively absorb and divert energy away from the protected circuit, while still providing a stable interface between the device and the protected circuit. The MOV offers the current overload protection, while the TAVR element ensures that the varistor maintains a high level of protection even when the voltage levels increase.

The V18MLA0603A comes in an axially symmetric package that allows it to fit onto circuit boards with ease. It is able to withstand a wide range of temperatures, from -40 to +85 °C and fits in an area that is only 6mm x 3.2mm. It can also operate with a maximum rated power of 830mW and is able to absorb a surge of up to 3.5kV. The device also has a clamping voltage of 135V and a sealing gas of Ar/N2, which means it can be placed in hostile environments without any risk of damage.

The V18MLA0603A is a versatile device that combines MOV and TAVR components into one package to provide a reliable form of transient voltage surge protection. It can be used in many applications, from EMI reduction and lightning protection to providing protection for sensitive electronics. It is also easy to install and can be placed on circuit boards with little effort. The device can handle temperatures from -40 to +85 °C and can absorb up to 3.5kV of transient voltages. With its robust design and high performance, it is an ideal choice for a wide variety of applications.

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