SMD1206P025TSA

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PTC (Positive Temperature Coefficient) resettable fuses are available in a wide range of configurations, sizes and current ratings to suit various application requirements. The SMD1206P025TSA is a part of this family and is designed to protect circuits against over-current, short circuit and over-voltage scenarios. The device has a 0.25A instantaneous trip current rating.

It operates at a nominal voltage of 6.6V and has a maximum voltage of 8V. The fuse has a low capacitance of 8pF which improves system performance and decreases power losses due to high frequency ripple current spikes. This also makes the device suitable for use in high frequency applications, such as computers and peripheral devices.

The SMD1206P025TSA consists of a ceramic body and two lead terminals. It is also stackable, so it can be connected in series with other similar devices to increase the overall current rating. The device is designed to reset automatically when the short or overcurrent condition is no longer present. This is known as the “self-restoring” feature and it makes the device reliable and suitable for many different applications.

The working principle of the SMD1206P025TSA is straightforward. When an overcurrent or short circuit is detected, the integrated PTC element inside the device will start to heat up. As the temperature increases, the resistance across the device also increases, allowing only a limited amount of current to pass. This limits the amount of current that can flow through the circuit, thus protecting it from damaging overloads.

The SMD1206P025TSA is mainly used in consumer applications such as power supplies, appliances and automotive components. The device can also be used in many industrial and medical applications where overcurrent protection is required. The low capacitance of the device makes it ideal for use in high voltage systems where a high degree of electrical noise reduction is required. The device is also well suited for applications such as motor control circuits, LED drivers and automotive engine control systems.

In summary, the SMD1206P025TSA is a small, robust and reliable PTC resettable fuse that can be used in a variety of applications to ensure reliable overcurrent protection. The low capacitance and self-restoring feature of the device makes it ideal for applications in both consumer and industrial environments. It is an essential device for overcurrent protection in modern electrical systems.

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