TR250-180U

Series:	PolySwitch®
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - Max:	--
Current - Hold (Ih) (Max):	180mA
Mounting Type:	Through Hole
Package / Case:	Radial, Disc
Size / Dimension:	0.409" L x 0.142" W (10.40mm x 3.60mm)
Height - Seated (Max):	0.496" (12.60mm)
Thickness (Max):	--
Lead Spacing:	0.197" (5.00mm)

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PTC Resettable Fuses

PTC (positive temperature coefficient) resettable fuses are a type of self-resetting fuse used to protect circuits from a wide range of potential damage, from overloads to transient surges. This fuse type is a popular choice for applications that require a high current carrying capacity, low cost, and energy savings due to their low standby current draw.The TR250-180U PTC resettable fuse is a popular PTC resettable fuse that is designed to protect a wide range of electronic and electrical devices, including those related to cars, household appliances, computers and more. The TR250-180U offers excellent performance characteristics and is suitable for a variety of applications.The TR250-180U has a rated current of 180A at 25 degrees C. The rated voltage is 250VAC with a trip duration of 10ms. It has a low resistance at rated current, and a short circuit rating of 20,000A. The maximum live voltage drop is 1.2V. It has a minimum thermal dissipation rating of 100mV and an ambient temperature range of -40 ˚C to 125 ˚C.The TR250-180U includes a heat-activated recovery mechanism, which helps to protect the circuit without the need for additional protection devices. This feature allows the thermal control element to recover from an overload situation without any human interaction.The TR250-180U has a simple working principle. When an overload situation occurs, current flows through the fuse element, heating it to a point where the contact between the terminal and the lead opens, thus breaking the circuit. As the temperature drops, the PTC resettable fuse "resets" and the current can flow again.The TR250-180U does not rely on an external power source or additional current protection components, and can be used on applications with a wide range of current design loads.The TR250-180U features a high current carrying capacity, low cost, and energy savings due to its low standby current draw. It also has a reliable mechanism that helps to protect the circuit without the need for additional protection devices. It is a widely used fuse type in automotive, HVAC, and other industries due to its robust and reliable operation.Due to its streamlined design and easy installation, the TR250-180U is often used in many applications. It is especially effective in applications with high load variations and low standby current. It can be used to protect circuits from inrush current, surge current, overcurrent, and other potential electrical damage.The TR250-180U has a wide variety of application fields. It can be used to protect AC power lines, such as in computers, machinery, motors, HVAC systems, and other industrial equipment. It can also be used in automotive and other vehicle electrical systems.In conclusion, the TR250-180U offers reliable operation at an economical price. The thermal recovery mechanism helps to protect the circuit without the need for additional protection devices, and the wide range of installation options make it a popular choice for a variety of applications. With its high current-carrying capacity, low cost, and energy savings, the TR250-180U is a reliable PTC resettable fuse that can be used effectively for a variety of applications.

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