SMD1206P150TFA

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PTC Resettable Fuses are a type of fuse that can be reset manually after it has blown, allowing the user to re-use the fuse and prevent against long-term damage to the electrical system. The SMD1206P150TFA is a small profile, SMD (Surface Mount Device) PTC (Positive Temperature Coefficient) Resettable Fuse suitable for protecting devices in various technological applications.

The SMD1206P150TFA is designed to protect against over-current, over-voltage, and short-circuit conditions. It operates by relying on its built-in PTC element, allowing a safe current to pass through the device at nominal operating temperature. When ambient temperature reaches 125°C, the current triggers the PTC’s positive temperature coefficient element to rise, resulting in a sudden resistance increase, thus providing protection against over-current and short-circuit conditions.

With a low profile of 1.06mm and a compact size of 1206, the SMD1206P150TFA can be used in applications where space is a limitation. Its wide operating temperature range of -40°C to 125°C makes it an ideal choice for automotive, medical and consumer applications that require robust protection. The device is also RoHS and UL94 V-0 compliant, enabling it to be suited for various safety standards.

The SMD1206P150TFA is suitable for use in many application fields such as portable and battery-powered equipment, renewable energy systems, television sets, electrical tools, portable medical and home healthcare equipment, set-top boxes, security systems, LED applications, and gaming consoles. As an example, the SMD1206P150TFA can be used to protect lithium-ion batteries from short-circuit damages, thus increasing the life-span of an electronic device.

The application of the SMD1206P150TFA is based on two primary working principles. The first is a temperature-dependent mechanism that triggers the PTC element to raise its resistance when specific current thresholds are exceeded, providing short-circuit protection. The second working principle involves the automatic reset of the fuse after the current thresholds return to nominal levels. After the temperature of the element drops back to its safe operating range, the device resumes its nominal, low resistance state.

In conclusion, the SMD1206P150TFA is a small profile, reliable and cost-efficient PTC Resettable Fuse that offers protection against over-voltage, over-current, and short-circuit conditions. Its wide operating temperature range and UL94 V-0 compliance make it suited for a variety of high-end applications, such as portable and battery-powered equipment, medical and home health applications, and renewable energy systems. It relies on two working principles - temperature-dependent resistance adjustments and automatic resets - as a means of providing protection and increased functionality.

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