PTR030V0250-TR1

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PTC Resettable Fuses are devices that integrate a high quality fuse with a positive temperature coefficient (PTC) that trips to disconnect a circuit when the normal operating current is exceeded.

PTR030V0250-TR1 is specially designed to protect a wide range of applications from current surges, over-current and short circuit protection. Its low power consumption is suitable for battery powered applications. Its small size and high surge capability make it a valuable device in many consumer and industrial applications.

The PTR030V0250-TR1 is especially designed for applications like audio- video equipments, power supplies, alarms, automotive signaling, and LED security lighting. This fuse has a hold current of 0.030 Amp (30mA), and can withstand a peak surge rating of up to 250 Amp in a 10ms pulse. The high surge capability makes it a better choice when compared to other fuses with lower surge ratings.

The working principle of PTR030V0250-TR1 is based on the conventional fuses that rely on a thin strip of metal wire that is heated past melting point by the high current. The fuse has a temperature-dependent resistor embedded inside that switches on when the temperature exceeds rated device temperature. When the current suddenly surges, the metal strip melts and the embedded PTC resistor will switch on, thus opening the circuit and resetting itself once the current has dropped below the starting threshold.

The PTR030V0250-TR1 fuse is suitable for a variety of applications that require over-current and short circuit protection. It is suitable for use with industrial and consumer electronics, automotive and LED signals, and audio-video devices. With its simple construction, and low power consumption, it is a reliable and cost effective solution for many applications.

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