AHRF800

Resistance - Initial (Ri) (Min):	7.2 mOhms
Approvals:	--
Lead Spacing:	0.199" (5.05mm)
Thickness (Max):	--
Height - Seated (Max):	0.886" (22.50mm)
Size / Dimension:	0.650" L x 0.118" W (16.50mm 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):	20 mOhms
Series:	PolySwitch®, AHRF
Time to Trip:	8s
Current - Trip (It):	15A
Current - Hold (Ih) (Max):	8A
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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PEC Resettable Fuses: AHRF800 Application Field and Working Principle

PTC resettable fuses are a type of electrical safety device used to protect wiring and other electrical components from overcurrent and overtemperature conditions. These fuses are a common type of protection device for consumer electronic equipment and other low-power electrical systems, and provide reliable protection of these low-power circuits. AHRF800 is one of the latest types of PTC resettable fuses developed by a leading manufacturer. This article will discuss the application field and working principle of the AHRF800 resettable fuse.The AHRF800 PTC resettable fuse is designed for use in low-voltage and low-power applications, such as consumer electronic equipment, home entertainment systems, and small household appliances. This fuse is rated up to 8 amperes, and is designed to open any circuit in the event of an excessive current or temperature condition. It is designed with a positively-triggered, fast-acting, thermally responsive element that provides excellent protection and traceability against overload and short circuit conditions. Furthermore, the AHRF800 has a low contact resistance, ensuring reliable system operation and excellent EMI and RFI suppression.The working principle of the AHRF800 PTC resettable fuse is simple. When the current or temperature in the circuit exceeds the rated limit, the internal element of the fuse expands, causing the contact to open. This will disconnect the circuit, preventing any further current from flowing. After the cause of the overload has been addressed, the internal element will self-reset, allowing the contact to close and the circuit to be re-energized. This automatic resetting eliminates the need for users to continually reset the fuse, maintaining protection without the need to manually reset the fuse.In addition to its low contact resistance and fast-acting thermal response, the AHRF800 is also designed for ruggedness and reliability. The fuse is designed to withstand exposure to shock and vibration for extended periods of time, and is also designed to be resistant to moisture and corrosion. This ensures that the electrical protection provided by the PTC resettable is reliable and consistent.The AHRF800 PTC resettable fuse provides reliable protection against overcurrent and over-temperature conditions in low-power electrical systems. This fuse is designed to automatically reset after the cause of the overload has been addressed, eliminating the need for users to manually reset the fuse. The AHRF800 also provides excellent EMI and RFI suppression, as well as shock and vibration resistance, ensuring reliable and consistent protection of the system.

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