TR600-150-RA-B-0.5

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PTC resettable fuses are made of specially formulated polymers that are extremely temperature-sensitive. Generally, when a preset current threshold is exceeded, these fuses increase in resistance resulting in a decrease of current flow. This current reduction causes the ambient temperature around the fuse to rise, which in turn causes an even higher resistance. Once the current is brought back to normal levels, the temperature around the fuse cools, causing the resistance to drop and allowing current flow to resume. The TR600-150-RA-B-0.5 is a type of resettable fuse and is ideally suited for applications that require continuous protection against short circuit and overload.

The TR600-150-RA-B-0.5 PTC resettable fuse is mainly used to provide overcurrent protection in automotive, electrical, and outdoor lighting systems. This type of fuse is also used in flashlights, microwaves, refrigerators, air conditioners, and other household appliances. These devices often contain a limited amount of space, so a compact form factor and a low profile are preferred. The TR600-150-RA-B-0.5 fuse offers a small footprint thanks to its 15mm diameter and 5mm height. Its small size makes it easy to install in even the tightest places.

The TR600-150-RA-B-0.5 fuse has a hold current of 150A and a trip current of 600A. The hold current is the maximum amount of current the device can pass without tripping, while the trip current is the amount of current that will cause the device to open and cut off power. The TR600-150-RA-B-0.5 fuse is designed to provide reliable protection against short circuits and overloads, while being able to reset itself after the fault has cleared.

The TR600-150-RA-B-0.5 fuse features a self-resetting mechanism that employs a current-sensitive element combined with a temperature-sensitive element. The current-sensitive element consists of a high conductive core made of a special metal alloy. This element is protected by an outer insulating sheath. The temperature-sensitive element consists of a special heat-sensitive plastic. When the current flow through the fuse exceeds its preset value, the conductive core begins to heat up due to the increase in resistance. This causes the surrounding plastic to expand, which creates a gap between the conductive core and its outer insulation. This gap effectively breaks the circuit and stops current from flowing.

Once the fault is cleared, the current flow will decrease and the conductive core will cool down. At this point, the temperature-sensitive plastic will contract, thus closing the gap between the core and its insulating sheath. This reestablishes a conductive path and allows current to resume. As soon as the current rises above the preset value, the cycle will repeat itself.

The TR600-150-RA-B-0.5 resettable fuse is UL recognized and RoHS compliant. It is also shock and vibration resistant, and features a wide operating temperature range from -40°C to +125°C. This makes it well-suited for use in electronic products that are exposed to extreme temperatures and environmental conditions. Additionally, TR600-150-RA-B-0.5 fuses are UL777 approved for installation in UL-listed control panels.

The TR600-150-RA-B-0.5 is an ideal solution for protecting electrical circuits from overloads, short circuits, and other faults. It features a low profile, a compact form factor, and a wide operating temperature range, making it an ideal choice for applications where space is limited. Its self-resetting mechanism also makes it an ideal choice for applications where frequent resetting is required.

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