MF-R185-AP

Resistance - Initial (Ri) (Min):	40 mOhms
Approvals:	cURus, TUV
Lead Spacing:	0.201" (5.10mm)
Thickness (Max):	--
Height - Seated (Max):	0.724" (18.40mm)
Size / Dimension:	0.472" Dia x 0.118" W (12.00mm x 3.00mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	110 mOhms
Series:	Multifuse®, MF-R
Time to Trip:	8.7s
Current - Trip (It):	3.7A
Current - Hold (Ih) (Max):	1.85A
Current - Max:	40A
Voltage - Max:	30V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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PTC Resettable FusesPTC resettable fuses, also called polymeric positive temperature coefficient (PPTC) resettable fuse, are more advanced than traditional PTCs. It reduces the impact of overcurrents on the circuit by providing short-term, accurate overcurrent protection with a thermal cutoff that functions similar to a circuit breaker. It works by detecting the increased temperature that is caused by an overcurrent flow and then reacts by disabling the circuit, preventing further damage from occurring.The MF-R185-AP is a PTC resettable fuse specifically designed for power supply lines in electronics components such as TVs, computers, and other home appliances. The MF-R185-AP is designed with an integrated overcurrent protection element that continually monitors current flowing in the circuit and react if the current exceeds the pre-set limit. The integrated element detects overcurrents by using a temperature sensor to predict the ambient temperature on the circuit board, which enables the fuse to reduce the flow of current if the temperature increases beyond the pre-set limit.The MF-R185-AP has a number of features to increase reliability and safety. For instance, it includes a built-in thermal fuse that will react to changes in temperature to protect the system from overcurrents. Additionally, it has an adjustable current limit, which lets users fine-tune the device to match the system’s current needs and provides better system protection. It also features a low-resistance design that minimizes power loss, allowing the device to operate with higher efficiency. Finally, the MF-R185-AP is certified to meet several safety standards, including UL, CSA, and IEC 60950-1.The MF-R185-AP is an excellent choice for applications that require reliable, high-performance overcurrent protection. It is also ideal for use in home appliances, industrial equipment, and other applications that use electronics components. The device can be easily mounted and integrated into existing systems, and its flexible design allows for easy customization to meet the specific needs of the application. In conclusion, the MF-R185-AP is a reliable, efficient PTC resettable fuse. Its features and design make it a great choice for applications that require reliable overcurrent protection. It combines thermal, mechanical, and electrical features to ensure optimal protection for systems, while its low-resistance design and adjustable current limit increase system efficiency. The MF-R185-AP’s UL, CSA, and IEC 60950-1 certification make it a safe choice for industrial and commercial applications.

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