TRF250-080U-2

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PTC Resettable Fuses are electrical devices designed to protect a circuit from excess current flow. The TRF250-080U-2 is a overcurrent-protection device designed to protect medium-power circuits from overcurrent and overvoltage faults. This particular model has an 8A current rating, a 90V AC voltage rating, and a series resistance of 2mΩ.

Since this fuse uses a self-resetting fuse element, it does not require manual intervention in the event of an overcurrent or overvoltage condition. The fuse element is a Positive Temperature Coefficient (PTC) device composed of a ceramic material with a special additive that creates an electrical imbalance when exposed to temperature increases caused by fault conditions. This imbalance generates a dynamic resistance that lowers the current flow and dissipates the excess energy.

When the temperature reaches a critical level, the PTC element’s resistance value increases rapidly and dramatically, thereby limiting current flow and preventing severe damage to the circuit. The excess voltage is re-diverted to the power source and the fuse trips, resetting itself and restoring the circuit.

Apart from overcurrent and overvoltage protection, the TRF250-080U-2 can also be used for many other purposes. The compact size and low resistance of the fuse make it ideal for use in small-size equipment or circuits. It can also be used to monitor currents in order to detect short circuits or other abnormal current conditions. The resettable functionality makes it an ideal choice for battery and other power-sensitive applications, as it can detect current spikes and reset itself automatically.

The TRF250-080U-2 is a single-pole device with no polarity sensitivity and can be applied in AC or DC circuits. The fuse is hermetically sealed and rated for up to 80oC. It is designed to meet UL 248-14 safety standards and is RoHS compliant. The fuse can be used in a wide variety of applications including telecom, lighting, motor controls, instrumentation, industrial automation, automotive, and others.

The TRF250-080U-2 is an efficient and reliable overcurrent-protection fuse capable of protecting medium-power circuits from overcurrent and overvoltage faults. The PTC resettable element helps to limit current flow and protect the circuit from damage while the RoHS compliance and UL rating ensure safety. The compact size and ease of installation make it ideal for many applications. With an 8A current rating, 90V AC voltage rating, and 2mΩ series resistance, the TRF250-080U-2 is an easy and cost-effective solution for medium-power circuit protection.

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