TRF600-160-RA-B-0.5-L

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PTC resettable fuses, such as TRF600-160-RA-B-0.5-L, are widely used in various applications, from portable electronic equipment to power electronics. PTC resettable fuse is a combination of two devices: a solid state resettable fuse and a resistor divider. It is very often used to automatically open or close a circuit in the event of sudden overcurrent or undercurrent conditions, respectively. By opening and closing the circuit, the device acts as a protective circuit breaker and can significantly reduce the chances of the device sustaining irreparable damage.

The main advantage of PTC resettable fuses is the capability to reset itself after the overcurrent or undercurrent condition has been removed. This feature makes it a popular choice for many applications such as circuit protection of safety equipment, battery packs, etc. The working principle of PTC resettable fuses is based on the phenomenon of self-heating. A PTC resettable fuse consists of a resistor and a protection element which is a polymeric PTC (Positive Temperature Coefficient) element. The PTC element is thermistors, meaning that its resistance is temperature dependent. The self-heating phenomenon takes place when current flows through the PTC element. The increasing temperature causes an increase in the resistance which then decreases the current flow to the desired level, thus preventing any damage due to an abnormal current.

TRF600-160-RA-B-0.5-L is a PTC resettable fuse and is applied in various electrical and electronic circuits, such as laptop and tablet power adapters, automotive electronic power systems, portable medical and emergency equipment, etc. This fuse has a time-lag characteristic which is suitable for high inrush current applications. In normal operation, the fuse automatically detects any overcurrent or undercurrent situation and reacts by imposing a resistance to the current flow, causing the current to decrease. As a result, it ensures complete circuit isolation without any burst of current.

When the circuit fault is cleared, the PTC resettable fuse automatically resets itself. TRF600-160-RA-B-0.5-L has an inactivation temperature of 90°C and an activation temperature of 20-160°C. This allows the fuse to react quickly in any current situation and protect the connected device without any human intervention. The PTC resettable fuse is also energy efficient as it does not require any power switch to reset it.

In summary, TRF600-160-RA-B-0.5-L is a PTC resettable fuse with various application fields such as laptop and tablet power adapters, automotive electronic power systems, and portable medical and emergency equipment. The working principle of this fuse is based on the phenomenon of self-heating, in which an increase in temperature causes an increase in the resistance, thus reducing the current flow to the desired level. TRF600-160-RA-B-0.5-L has a time-lag characteristic which is suitable for high inrush current applications, and it resets itself automatically after a circuit fault is cleared. Moreover, this fuse is energy efficient as it does not require any power switch to reset it.

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