MF-SM075-2-99 Circuit Protection

Resistance - Initial (Ri) (Min):	230 mOhms
Approvals:	cURus, TUV
Lead Spacing:	--
Thickness (Max):	0.125" (3.18mm)
Height - Seated (Max):	--
Size / Dimension:	0.287" L x 0.214" W (7.31mm x 5.44mm)
Package / Case:	2-SMD
Mounting Type:	Surface Mount
Ratings:	AEC-Q200
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	1 Ohms
Series:	Multifuse®, MF-SM
Time to Trip:	300ms
Current - Trip (It):	1.5A
Current - Hold (Ih) (Max):	750mA
Current - Max:	80A
Voltage - Max:	30V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Not For New Designs
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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IntroductionMF-SM075-2-99 PTC Resettable Fuses are an efficient and reliable way of protecting circuits from over current and other faults. These fuses have a variety of applications and come in a variety of sizes and shapes.This article will discuss the working principle and the application field of the MF-SM075-2-99 PTC Resettable Fuses.Working Principle of the MF-SM075-2-99 Resettable FuseThe MF-SM075-2-99 PTC Resettable Fuse is composed of a positive temperature coefficient (PTC) device made from either polymeric- or ceramic-based materials. When the current flowing through the fuse exceeds the rated current, the PTC device will resist more and more current, thus resulting in an increase in temperature. This increases the resistance in the PTC device until it reaches its trip point, which will cause the circuit to trip and reset the fuse. This will stop the flow of current through the fuse. Once the current is removed, the PTC device will return to its original state and the fuse will be reset.Advantages Of MF-SM075-2-99 Resettable FusesMF-SM075-2-99 PTC Resettable Fuses offer several important advantages over traditional fuses. They are self-resetting, meaning that once the current is turned off, the fuse will reset itself without the need for any manual intervention. Additionally, these fuses are highly resistant to false tripping, as they are designed to trip only when the current exceeds the rating for an extended period of time. This makes them ideal for applications where false tripping could cause damage. Finally, these fuses are relatively simple to install and maintain, making them a cost-effective choice for many electronic systems.Application Field Of MF-SM075-2-99 Resettable FusesThe MF-SM075-2-99 PTC Resettable Fuses are often used in electrical applications such as consumer electronics, industrial equipment, automotive and marine applications. They are perfect for short circuit protection due to their ability to trip when the current exceeds the rated value. Additionally, these fuses are ideal for applications that require a fast response time to protect against overloads or short circuits. Finally, these fuses can be used in applications that require resettable protection, as they can be easily reset after they have been tripped.ConclusionThe MF-SM075-2-99 PTC Resettable Fuses are a reliable and efficient way of protecting circuits from over-current and other faults. They are composed of a positive temperature coefficient (PTC) device and are self-resetting, meaning that once the current is turned off, the fuse will reset itself without the need for any manual intervention. Additionally, these fuses are highly resistant to false tripping and relatively simple to install and maintain, making them a cost-effective choice for many electronic systems. The wide range of application fields for the MF-SM075-2-99 Resettable Fuses make them ideal for applications requiring both fast response times and resettable protection.

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