MF-RHT1100-0

Series:	Multifuse®, MF-RHT
Part Status:	Active
Lead Free Status / RoHS Status:	--
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Voltage - Max:	16V
Current - Max:	100A
Current - Hold (Ih) (Max):	11A
Current - Trip (It):	20A
Time to Trip:	11s
Resistance - Initial (Ri) (Min):	5.5 mOhms
Resistance - Post Trip (R1) (Max):	13 mOhms
Operating Temperature:	-40°C ~ 125°C
Ratings:	AEC-Q200
Mounting Type:	Through Hole
Package / Case:	Radial, Disc
Size / Dimension:	0.827" L x 0.118" W (21.00mm x 3.00mm)
Height - Seated (Max):	1.028" (26.10mm)
Thickness (Max):	--
Lead Spacing:	0.402" (10.20mm)
Approvals:	--

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PTC Resettable Fuses: MF-RHT1100-0 application field and working principle

Polymer Positive Temperature Coefficient (PPTC) resettable fuses, also known as PolyFuses, are a type of electronic component designed to protect a device or system from being damaged due to an overload or short circuit. The MF-RHT1100-0 is a PTC resettable fuse used in many applications, such as automotive, industrial, consumer electronics, and medical applications. This article will discuss the application fields of the MF-RHT1100-0, and its working principle.

Applications of MF-RHT1100-0

The MF-RHT1100-0 is a PTC resettable fuse designed for use in various applications. It has a rated voltage of 10V, and can operate in a temperature range of -25°C to +125°C. Its maximum current is 14A. The MF-RHT1100-0 has a low thermal resistance, which makes it suitable for high current applications. The MF-RHT1100-0 can be used in a wide variety of applications, including automotive, industrial, consumer electronics, and medical applications. In automotive applications, it is used to protect against potential electrical hazards such as short circuits and current spikes. In industrial applications, it is used to protect against overloads. In consumer electronics, the MF-RHT1100-0 is used to protect electrical components such as power supplies, chargers, and converters. In medical applications, it is used to protect sensitive devices from overcurrent.

Working Principle of MF-RHT1100-0

The MF-RHT1100-0 is a polymeric Resettable Fuse and it works by utilizing the Polymeric Positive Temperature Coefficient (PPTC) principle. This principle states that when the current through a polymer reaches a certain threshold, its resistance increases rapidly. This causes the temperature of the fuse to rise, and the fuse enters its thermal cut-off phase. The fuse is designed to open when the heat generated due to the high current either melts a special fusible link or charring and/or burning of the material.When the current is reduced to a safe level, the thermal cut-off phase is terminated and the fuse is reset. It will then remain in the reset mode until the current reaches the thermal cut-off threshold again.

Conclusion

PTC resettable fuses, such as the MF-RHT1100-0, are versatile components that can be used in a variety of applications. The MF-RHT1100-0 is specifically designed for automotive, industrial, consumer electronics, and medical applications. Its working principle is based on the Polymeric Positive Temperature Coefficient (PPTC) principle, whereby it will open when the current through the polymer reaches a certain threshold, and then reset itself when the current is reduced to a safe level.

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