PTR016V0250-TR

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PTC resettable fuses are devices that can be used in a wide variety of applications and provide a safe, reliable, and cost-effective alternative to traditional fuses. They work by limiting current when an overloaded condition occurs and disabling higher current levels. PTC resettable fuses are used in electronic circuits, wire harnesses, printed circuit boards, and medical equipment, among other applications. The PTR016V0250-TR is a PTC resettable fuse designed for use in general-purpose circuit protection applications.

Principle of Operation

PTC resettable fuses operate by using a contact-based temperature-activated melting system. A metal wire, usually made of silver, is wrapped around a ceramic core that partially conducts current. When a certain amount of current exceeds the rated value of the device, the thermal breaking point of the silver is exceeded and the silver melts, thus interrupting the current and providing a thermal shutoff. The current of the fuse is then reset by removing the overload and cooling the fuse.

Applications

The PTR016V0250-TR is specifically designed and developed for general-purpose circuit protection in low voltage or low current applications. The devices are capable of short-circuit protection of up to 250 V and 16 A, with devices also available in other nominal voltage and current ratings. The PTR016V0250-TR is suitable for protecting LEDs, dimmers, switches, and solenoids, and is primarily used in electronic devices, such as computers, phones, and medical equipment.

The PTR016V0250-TR is also capable of load shedding and voltage signaling. In load shedding applications, if the current exceeds the rated value, the device will trip and remove the load from the circuit. This can be used to protect sensitive electronics by removing the load before damage can occur. The device can also be used for voltage signaling by simply monitoring the device to determine the current draw. If the current draw exceeds the rated value, the device will trip and can be used to signal a potential fault in the system.

Advantages

PTC resettable fuses offer many advantages over traditional fuses. They are easy to use and replace, cost effective, and provide reliable current limiting protection. Additionally, the devices are capable of auto-resetting themselves which eliminates the need for continuous replacement of traditional fuses, thus providing improved system reliability and uptime.

The PTR016V0250-TR also offers significant cost savings when compared to the cost of fuse replacement. Additionally, the devices are temperature compensated so they can be used in a wide variety of environments and applications without introducing hazardous conditions. This means that the device will trip and reset correctly even in extreme temperatures, making it an ideal choice for applications in high temperature and vibration environments.

Conclusion

The PTR016V0250-TR is a PTC resettable fuse device designed for general-purpose circuit protection in low voltage or low current applications. These devices provide reliable current limiting protection and are capable of auto-resetting in order to eliminate the need for continuous fuse replacement. Additionally, the devices are temperature compensated which allows them to be used in extreme environments and applications without introducing hazardous conditions. Overall, PTC resettable fuses provide a safe, reliable, and cost-effective alternative to traditional fuses.

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