MF-SM075-2-006

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:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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PTC Resettable Fuses

Polymeric Positive Temperature Coefficient (PPTC) Resettable Fuses, also known as Polymeric Positive Temperature Coefficient (PPTC) Devices, are circuit protection components that safely protect current circuits from the damaging effects of electrical overcurrents. They are similar to regular resettable fuses, except that they use a PTC material instead of a steel or copper filament as their energy-limit element.

MF-SM075-2-006 Application Field and Working Principle

The MF-SM075-2-006 resettable PTC fuse is a surface-mount device designed for a range of automotive and consumer electronics applications. It is designed to protect circuits from current overloads and short circuits. The physical size is 7.5x2.0 mm, and it has a rating of 0.6 A (600mA) at ambient temperatures between -25 and 125°C.The MF-SM075-2-006 fuse works by utilizing a temperature-sensitive polymer material as its energy-imposed limit element. When current flows through the element, the element is heated up and the material begins to resist current flow. This has the effect of limiting the amount of current passing through the device to a set level. The set level is typically between 1.2 and 1.5 times the rated current of the device. Once a preset temperature is reached, the device will open up, and the current will be shut off from the circuit. This will stop the excessive current flow and further damage to the circuit. After the device cools down, the fuse will reset, allowing the current to flow again.The MF-SM075-2-006 resettable PTC fuse has a current rating of 600mA and voltage rating of 250 volts. It is UL component recognized and meets the requirements of the UL 248-14 & CSA C22.2 No. 18-14 standards. The fuse comes with a wide range of mounting options, including wire wrap, wave soldering, and through-hole.

Conclusion

The MF-SM075-2-006 resettable PTC fuse is a convenient and reliable current protection device for a variety of automotive and consumer electronics applications. It is simple to install and offers a wide range of mounting options. Its temperature-sensitive polymer material provides excellent protection against electrical overcurrents and short circuits. The UL and CSA certified fuse also has a wide operating temperature range of -25 to 125°C, making it suitable for a variety of different conditions.

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