AGRF500

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PTC resettable fuses, also known as polymeric positive temperature coefficient (PPTC) or multimetal oxide positive temperature coefficient (MOPTC) devices, are protection components which are designed to protect electric circuits from potential damage due to overcurrent conditions. The AGRF 500 series are a low-cost, low-voltage PTC resettable fuse specifically designed for the protection of DC low-voltage electronic circuits.

The AGRF 500 series are a low-impedance, resettable fuse whose resistance increases in response to an increase in current. This increase in resistance limits the current through the device and stops any further increase. When the current through the device stabilizes, the device will reset itself and the resistance will return to its initial value. This makes the AGRF 500 series the ideal protection option for sensitive circuits.

The AGRF 500 series have a voltage rating of 200V DC, an operating temperature of -55 to 85°C, and are UL recognized. They feature a low resistance of <0.2 ohms, a fast response time of 22µs, and a cut-off current of 11A (typical). The AGRF 500 series is available in a variety of packages including SOT-23, SOT-223, and DPAK, and are designed for use in a wide variety of applications, including automotive, industrial, consumer, and medical.

The AGRF 500 series provides protection from both overcurrent and short-circuit conditions. In the event of an overcurrent condition, the device will limit the current through the circuit, protecting it from damage. In the event of a short-circuit condition, the device will open its internal switch, disconnecting the circuit from power and preventing any further current flow. The AGRF 500 series also features a low-clamp voltage to protect sensitive components from voltage spikes.

The AGRF 500 series is designed to provide reliable and efficient protection for low-voltage DC circuits. The device is easy to use and provides improved protection for electrical equipment. The AGRF 500 series is especially useful for automotive, consumer, and medical applications, where low-voltage DC circuits are common. With its low resistance and fast response time, the AGRF 500 series is an ideal protection option for sensitive circuits.

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