SMD1206P050TFA

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PTC Resettable Fuses are a type of electronic component that employ a thermistor to protect circuits from over-current conditions or short circuits. SMD1206P050TFA is a type of PTC resettable fuse that is manufactured as a surface mount component in a four-pin configuration.

The SMD1206P050TFA is used mainly in applications where quick recovery from over-current and short circuit conditions is required. Its structure features a body made from polymeric material filled with temperature sensitive positive temperature coefficient (PTC) material. This thermally sensitive material connects the two thermal fusing electrolytic pins (TFE), which serve as the fuse contact points.

When the device is operating normally, no electrical current will flow between the TFE pins. If the device experiences an over-current condition or short circuit, the thermally sensitive material will heat up and cause the two pins to form a high current bridge between them. This high current bridge acts as a fuse, reading the current and applying countermeasures for battery protection.

When the current is restored to normal levels, the bridge will be broken and the device will reset itself automatically. This self-reset feature is one of the main advantages of PTC resettable fuses over other types of fuses. They provide an economical and reliable way to protect circuits from damage caused by excessive current conditions.

The SMD1206P050TFA is especially suitable for applications using Li-ion/Ni-Cd/Ni-MH batteries where rapid resetting and high surge protection are needed. It is also suitable for high current and low voltage applications such as USB port protection and motor control. This type of fuse is manufactured with a small form factor for easy layout in circuit boards. In addition, its operating temperature range is wide, from -40°C to +85°C, which makes it suitable for many types of applications.

The SMD1206P050TFA is a useful and reliable component for protection against overcurrent and short circuit conditions. It is suitable for use in many applications due to its small form factor and wide operating temperature range. This type of fuse is a cost-effective and reliable way to protect circuits from damage caused by excessive current.

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