AHRF1000

Resistance - Initial (Ri) (Min):	5.1 mOhms
Approvals:	--
Lead Spacing:	0.400" (10.15mm)
Thickness (Max):	--
Height - Seated (Max):	1.043" (26.50mm)
Size / Dimension:	0.689" L x 0.118" W (17.50mm x 3.00mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	AEC-Q200
Operating Temperature:	-40°C ~ 125°C
Resistance - Post Trip (R1) (Max):	15 mOhms
Series:	PolySwitch®, AHRF
Time to Trip:	10.5s
Current - Trip (It):	20.5A
Current - Hold (Ih) (Max):	10A
Current - Max:	100A
Voltage - Max:	16V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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PTC Resettable Fuses: AHRF1000 Application Field and Working PrincipleAHRF1000 is a type of PTC resettable fuse, utilizing Positive Temperature Coefficient (PTC) materials to protect electrical circuits against over-current overloads. It is specially designed for high power applications such as TVs, electric cars, smart home appliances, LED lighting, and so on. In this article, we will discuss the application fields of AHRF1000 as well as its working principle. Applications of AHRF1000AHRF1000 is engineered with high power handling capability and fast response time, making it suitable for a wide range of applications with over-current protection requirements such as LED lighting, electric vehicles, household appliance, and etc. * LED Lighting. Everyone knows that LED lighting is more energy-efficient than other lighting fixtures. At the same time, LED lamps often come with a very thin circuit board which can’t afford to have any bulky components. AHRF1000 can offer reliable over-current and over-temperature protection for LED lighting while still keeping the circuit board thin and lightweight. * Electric Vehicles. Automobile maintenance is often a troublesome ordeal. However, with the addition of AHRF1000, maintenance can be reduced significantly. This is due to the fact that AHRF1000 can precisely meter current and voltage, acting as a robust buffer for over-current and over-temperature protection and helping to extend the lifespan of electrical components in electric cars. * Household Appliance. PTC continues to be a great choice for the protection of household appliances. Its fast response time and high power handling capabilities make it an ideal choice for many applications such as air conditioners, refrigerators, washing machines, and so on. AHRF1000 can also be used as a reliable protection part for these household appliances. Working Principle of AHRF1000AHRF1000 incorporates the advanced PTC technology to determine the linear current and voltage characteristics in combination with the positive temperature coefficient of its PTC chip. It maintains high accuracy and high repeatability with no external components needed. When the current drawn by a component rises beyond a predetermined threshold, an increase in temperature will cause the PTC material to perform a dielectric breakdown, consequently cutting off all electrical signals and resetting the circuit. Meanwhile, the fuse can reset itself after cooling down or having its current drawn reduced below the threshold. AHRF1000 also has the advantage of being able to reset without actually replacing the component. As long as the current drawn remains at or below the predetermined value, the fuse will react to abnormal current within a few milliseconds and the circuit will remain protected until the temperature of the PTC material of the fuse returns to its normal operating temperature. In addition, AHRF1000 also offers a more energy-saving, smaller size, and higher accuracy solution for various electronic systems. Its wide temperature range design also eliminates the need for costly derating. All these advantages add up to make AHRF1000 an ideal choice for a variety of different applications. To sum up, AHRF1000 belongs to the category of PTC resettable fuse and it has a wide variety of applications including LED lighting, electric vehicles, and household appliances. Its working principle relies on the Positive Temperature Coefficient (PTC) technology, and it can detect and reset current within milliseconds to provide reliable over-current and over-temperature protection for these devices. It is also energy-efficient, small-sized, and accurate, making it a great choice for various electronic systems.

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