AGRF1200-2

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PTC Resettable Fuses are widely used to protect circuits in a wide range of applications. The AGRF1200-2 is a highly reliable and cost effective resettable thermal fuse, which is designed for use in a wide variety of electronic applications. It is designed to protect circuits from over current conditions, thus increasing the life of the circuit components.

The AGRF1200-2 has a trip current range from 0.5A to 1.2A and a cold resistance of 32m Ω. It has a low reactivation voltage of 4V to 6V across the terminals during a reset phase. It is often utilized in applications where a low dropout voltage is required.

In operation, the AGRF1200-2 functions by monitoring the current in the protected circuit. Once a current higher than the trip current is sensed, the device will operate to open the circuit and prevent any further flow of current. This is accomplished by a positive temperature coefficient that increases the device\'s resistance as the temperature rises. When the temperature reaches a predetermined level, a bi-metallic strip inside the device will open the circuit.

The resettable nature of the AGRF1200-2 makes it an attractive choice for many electronic applications. After the over current event has occurred, the device can be easily reset by applying a voltage between the terminals. This will activate the bi-metallic strip which will bring the device back to its normal operating condition. This feature eliminates the need to disconnect the power to the circuit and eliminates downtime and potential other expensive repair costs.

The AGRF1200-2 is used in a variety of applications including power supplies, communications, medical, automotive, and electronic products. It is highly reliable and offers consistent performance, making it ideal for use in a variety of applications where thermal protection from over current is needed. Its superior protection and ease of resetting make it an attractive choice for any designer looking for a reliable and cost-effective way to protect their circuits.

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