Resettable Fuses - PPTC – Mouser Puerto Rico

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MF-NSML/X PPTC Resettable Fuses

Bourns MF-NSML/X PPTC Resettable Fuses feature ultra-low resistance and utilize innovative freeXpansion™ design. These fuses offer a maximum voltage of 12V and a current of 50A. Bourns MF-NSML/X low ohmic PTC resettable fuses operate at a -40°C to +85°C temperature range. These resettable fuses come in a small footprint size (1206) and low profile for space-constrained mobile applications. These fuses are also ideal for power delivery port protection, USB port protection, and game console port protection.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Termination Style	Hold Current	Maximum Voltage	Trip Current	Current Rating - Max	Resistance	Package / Case	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Resettable Fuses - PPTC 6V 3.0A-HD 50A SMD MF-NSML300/6-2 Bourns 1: $0.81 A tariff of 21% may be applied if shipping to the United States. 5,737In Stock	Mfr. Part # MF-NSML300/6-2 Mouser Part # 652-MF-NSML300/6-2	Bourns	Resettable Fuses - PPTC 6V 3.0A-HD 50A SMD Learn More about Bourns mf nsml x resettable fuses	Datasheet	5,737In Stock	Cut Tape $0.81 $0.621 $0.582 $0.44 Reel $0.372 View $0.409 $0.397 $0.325 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML	SMD/SMT	SMD/SMT	3 A	6 VDC	6 A	50 A	20 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 12V 4.0A-HD 50A 1206 MF-NSML400/12-2 Bourns 1: $0.68 A tariff of 21% may be applied if shipping to the United States. 16,943In Stock	Mfr. Part # MF-NSML400/12-2 Mouser Part # 652-MF-NSML400/12-2	Bourns	Resettable Fuses - PPTC 12V 4.0A-HD 50A 1206 Learn More about Bourns mf nsml x resettable fuses	Datasheet	16,943In Stock	Cut Tape $0.68 $0.464 $0.417 $0.381 $0.363 Reel $0.349 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML/X	PCB Mount	SMD/SMT	4 A	12 VDC	8 A	50 A	18 mOhms		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 12V 2.6A-HD 50A 0201 MF-NSML260/12-2 Bourns 1: $0.83 A tariff of 21% may be applied if shipping to the United States. 19,343In Stock	Mfr. Part # MF-NSML260/12-2 Mouser Part # 652-MF-NSML260/12-2	Bourns	Resettable Fuses - PPTC 12V 2.6A-HD 50A 0201 Learn More about Bourns mf nsml x resettable fuses	Datasheet	19,343In Stock	Cut Tape $0.83 $0.667 $0.625 $0.472 View Reel $0.37 $0.439 $0.411 $0.37 $0.37 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 5,000	MF-NSML/X	PCB Mount	SMD/SMT	2.6 A	12 VDC	5.2 A	50 A	30 mOhms		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 3.8A-HD 50A SMD MF-NSML380/6-2 Bourns 1: $0.86 A tariff of 21% may be applied if shipping to the United States. 3,719In Stock	Mfr. Part # MF-NSML380/6-2 Mouser Part # 652-MF-NSML380/6-2	Bourns	Resettable Fuses - PPTC 6V 3.8A-HD 50A SMD Learn More about Bourns mf nsml x resettable fuses	Datasheet	3,719In Stock	Cut Tape $0.86 $0.786 $0.652 $0.602 Reel $0.372 View $0.541 $0.499 $0.421 $0.365 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML	SMD/SMT	SMD/SMT	3.8 A	6 VDC	8 A	50 A	14 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 5.0A-HD 20A PTC MF-NSML500/6-2 Bourns 1: $0.81 A tariff of 21% may be applied if shipping to the United States. 5,255In Stock	Mfr. Part # MF-NSML500/6-2 Mouser Part # 652-MF-NSML500/6-2	Bourns	Resettable Fuses - PPTC 6V 5.0A-HD 20A PTC Learn More about Bourns mf nsml x resettable fuses	Datasheet	5,255In Stock	Cut Tape $0.81 $0.621 $0.582 $0.44 View Reel $0.325 $0.409 $0.382 $0.335 $0.325 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML	SMD/SMT	SMD/SMT	5 A	6 VDC	10 A	50 A	12 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 2.6A-HD 50A SMD MF-NSML260/6-2 Bourns 1: $0.86 A tariff of 21% may be applied if shipping to the United States. 4,859In Stock	Mfr. Part # MF-NSML260/6-2 Mouser Part # 652-MF-NSML260/6-2	Bourns	Resettable Fuses - PPTC 6V 2.6A-HD 50A SMD Learn More about Bourns mf nsml x resettable fuses	Datasheet	4,859In Stock	Cut Tape $0.86 $0.786 $0.652 $0.602 View Reel $0.38 $0.541 $0.499 $0.46 $0.418 $0.38 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 5,000	MF-NSML	SMD/SMT	SMD/SMT	2.6 A	6 VDC	5.2 A	50 A	26 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 12V 2.0A-HD 50A 0201 MF-NSML200/12-2 Bourns 1: $0.87 A tariff of 21% may be applied if shipping to the United States. 11,574In Stock	Mfr. Part # MF-NSML200/12-2 Mouser Part # 652-MF-NSML200/12-2	Bourns	Resettable Fuses - PPTC 12V 2.0A-HD 50A 0201 Learn More about Bourns mf nsml x resettable fuses	Datasheet	11,574In Stock	Cut Tape $0.87 $0.667 $0.625 $0.472 View Reel $0.352 $0.439 $0.411 $0.359 $0.353 $0.352 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 5,000	MF-NSML/X	PCB Mount	SMD/SMT	2 A	12 VDC	4 A	50 A	40 mOhms		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 12V 3.0A-HD 50A 0201 MF-NSML300/12-2 Bourns 1: $0.66 A tariff of 21% may be applied if shipping to the United States. 8,636In Stock	Mfr. Part # MF-NSML300/12-2 Mouser Part # 652-MF-NSML300/12-2	Bourns	Resettable Fuses - PPTC 12V 3.0A-HD 50A 0201 Learn More about Bourns mf nsml x resettable fuses	Datasheet	8,636In Stock	Cut Tape $0.66 $0.607 $0.504 $0.465 View Reel $0.308 $0.418 $0.386 $0.356 $0.308 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML/X	PCB Mount	SMD/SMT	3 A	12 VDC	6 A	50 A	24 mOhms		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 4.0A-HD 50A SMD MF-NSML400/6-2 Bourns 1: $0.83 A tariff of 21% may be applied if shipping to the United States. 5,424In Stock	Mfr. Part # MF-NSML400/6-2 Mouser Part # 652-MF-NSML400/6-2	Bourns	Resettable Fuses - PPTC 6V 4.0A-HD 50A SMD Learn More about Bourns mf nsml x resettable fuses	Datasheet	5,424In Stock	Cut Tape $0.83 $0.694 $0.613 $0.505 View Reel $0.386 $0.468 $0.434 $0.386 $0.386 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML	SMD/SMT	SMD/SMT	4 A	6 VDC	8 A	50 A	14 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 12V 1.75A-HD 50A 0201 MF-NSML175/12-2 Bourns 1: $0.89 A tariff of 21% may be applied if shipping to the United States. 3,547In Stock	Mfr. Part # MF-NSML175/12-2 Mouser Part # 652-MF-NSML175/12-2	Bourns	Resettable Fuses - PPTC 12V 1.75A-HD 50A 0201 Learn More about Bourns mf nsml x resettable fuses	Datasheet	3,547In Stock	Cut Tape $0.89 $0.743 $0.657 $0.534 View Reel $0.395 $0.491 $0.457 $0.413 $0.395 $0.395 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 5,000	MF-NSML/X	PCB Mount	SMD/SMT	1.75 A	12 VDC	3.5 A	50 A	50 mOhms		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD MF-NSML350/6-2 Bourns 1: $0.83 A tariff of 21% may be applied if shipping to the United States. 2,440In Stock	Mfr. Part # MF-NSML350/6-2 Mouser Part # 652-MF-NSML350/6-2	Bourns	Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD Learn More about Bourns mf nsml x resettable fuses	Datasheet	2,440In Stock	Cut Tape $0.83 $0.694 $0.614 $0.505 Reel $0.397 View $0.468 $0.434 $0.397 $0.365 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML	SMD/SMT	SMD/SMT	3.5 A	6 VDC	7 A	50 A	18 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 12V 3.8A-HD 50A 0201 MF-NSML380/12-2 Bourns 1: $0.89 A tariff of 21% may be applied if shipping to the United States. 2,254In Stock 10,500Expected 11/11/2026	Mfr. Part # MF-NSML380/12-2 Mouser Part # 652-MF-NSML380/12-2	Bourns	Resettable Fuses - PPTC 12V 3.8A-HD 50A 0201 Learn More about Bourns mf nsml x resettable fuses	Datasheet	2,254In Stock 10,500Expected 11/11/2026	Cut Tape $0.89 $0.743 $0.657 $0.543 Reel $0.423 View $0.501 $0.465 $0.423 $0.389 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML/X	PCB Mount	SMD/SMT	3.8 A	12 VDC	7.6 A	50 A	20 mOhms		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 12V 4.5A-HD 50A 0201 MF-NSML450/12-2 Bourns 1: $0.78 A tariff of 21% may be applied if shipping to the United States. 1,349In Stock 10,500Expected 11/11/2026	Mfr. Part # MF-NSML450/12-2 Mouser Part # 652-MF-NSML450/12-2	Bourns	Resettable Fuses - PPTC 12V 4.5A-HD 50A 0201 Learn More about Bourns mf nsml x resettable fuses	Datasheet	1,349In Stock 10,500Expected 11/11/2026	Cut Tape $0.78 $0.652 $0.577 $0.472 View Reel $0.372 $0.439 $0.415 $0.372 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML/X	PCB Mount	SMD/SMT	4.5 A	12 VDC	9 A	50 A	14 mOhms		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 6.0A-HD 50A SMD MF-NSML600/6-2 Bourns 1: $0.75 A tariff of 21% may be applied if shipping to the United States. 2,154In Stock	Mfr. Part # MF-NSML600/6-2 Mouser Part # 652-MF-NSML600/6-2	Bourns	Resettable Fuses - PPTC 6V 6.0A-HD 50A SMD Learn More about Bourns mf nsml x resettable fuses	Datasheet	2,154In Stock	Cut Tape $0.75 $0.628 $0.614 $0.505 Reel $0.347 View $0.468 $0.434 $0.386 $0.346 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML	SMD/SMT	SMD/SMT	6 A	6 VDC	12 A	50 A	10 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 5.5A-HD 20A PTC MF-NSML550/6-2 Bourns 1: $0.81 A tariff of 21% may be applied if shipping to the United States. 2,158In Stock	Mfr. Part # MF-NSML550/6-2 Mouser Part # 652-MF-NSML550/6-2	Bourns	Resettable Fuses - PPTC 6V 5.5A-HD 20A PTC Learn More about Bourns mf nsml x resettable fuses	Datasheet	2,158In Stock	Cut Tape $0.81 $0.713 $0.652 $0.505 Reel $0.37 View $0.47 $0.439 $0.385 $0.365 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML	SMD/SMT	SMD/SMT	5.5 A	6 VDC	11 A	50 A	11 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 12V 3.5A-HD 50A 0201 MF-NSML350/12-2 Bourns 1: $0.79 A tariff of 21% may be applied if shipping to the United States. 80,491On Order	Mfr. Part # MF-NSML350/12-2 Mouser Part # 652-MF-NSML350/12-2	Bourns	Resettable Fuses - PPTC 12V 3.5A-HD 50A 0201 Learn More about Bourns mf nsml x resettable fuses	Datasheet	80,491On Order On Order Ship Dates Mfr. #: MF-NSML350/12-2 Stock: 0 On Order: 10,491 Expected 12/11/2026 70,000 Expected 12/23/2026 Factory Lead-Time: 20 Weeks	Cut Tape $0.79 $0.693 $0.603 $0.51 Reel $0.346 View $0.466 $0.433 $0.389 $0.319 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,500	MF-NSML/X	PCB Mount	SMD/SMT	3.5 A	12 VDC	7 A	50 A	22 mOhms		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 12V 1.5A-HD 50A 1206 MF-NSML150/12-2 Bourns 1: $0.70 A tariff of 21% may be applied if shipping to the United States. 20,000Expected 11/5/2026	Mfr. Part # MF-NSML150/12-2 Mouser Part # 652-MF-NSML150/12-2	Bourns	Resettable Fuses - PPTC 12V 1.5A-HD 50A 1206 Learn More about Bourns mf nsml x resettable fuses	Datasheet	20,000Expected 11/5/2026	Cut Tape $0.70 $0.643 $0.534 $0.472 View Reel $0.312 $0.439 $0.409 $0.359 $0.344 $0.312 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 5,000	MF-NSML/X	PCB Mount	SMD/SMT	1.5 A	12 VDC	3 A	50 A	65 mOhms		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 1.5A-HD 50A SMD MF-NSML150/6-2 Bourns 1: $0.83 A tariff of 21% may be applied if shipping to the United States. Non-Stocked Lead-Time 20 Weeks	Mfr. Part # MF-NSML150/6-2 Mouser Part # 652-MF-NSML150/6-2	Bourns	Resettable Fuses - PPTC 6V 1.5A-HD 50A SMD Learn More about Bourns mf nsml x resettable fuses	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape $0.83 $0.694 $0.614 $0.512 View Reel $0.38 $0.468 $0.434 $0.391 $0.383 $0.38 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 5,000	MF-NSML	SMD/SMT	SMD/SMT	1.5 A	6 VDC	3 A	50 A	65 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 1.75A-HD 50A SMD MF-NSML175/6-2 Bourns 10,000: $0.38 A tariff of 21% may be applied if shipping to the United States. Non-Stocked Lead-Time 20 Weeks	Mfr. Part # MF-NSML175/6-2 Mouser Part # 652-MF-NSML175/6-2	Bourns	Resettable Fuses - PPTC 6V 1.75A-HD 50A SMD Learn More about Bourns mf nsml x resettable fuses	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape $0.38 A tariff of 21% may be applied if shipping to the United States.	Min.: 10,000 Mult.: 5,000 : 5,000	MF-NSML	PCB Mount	SMD/SMT	1.75 A	6 V	3.5 A	50 A	40 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel
Resettable Fuses - PPTC 6V 2.0A-HD 50A SMD MF-NSML200/6-2 Bourns 10,000: $0.38 A tariff of 21% may be applied if shipping to the United States. Non-Stocked Lead-Time 20 Weeks	Mfr. Part # MF-NSML200/6-2 Mouser Part # 652-MF-NSML200/6-2	Bourns	Resettable Fuses - PPTC 6V 2.0A-HD 50A SMD Learn More about Bourns mf nsml x resettable fuses	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape $0.38 A tariff of 21% may be applied if shipping to the United States.	Min.: 10,000 Mult.: 5,000 : 5,000	MF-NSML	SMD/SMT	SMD/SMT	2 A	6 VDC	4 A	50 A	30 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel
Resettable Fuses - PPTC 6V 4.5A-HD 20A PTC MF-NSML450/6-2 Bourns 10,500: $0.399 A tariff of 21% may be applied if shipping to the United States. Non-Stocked Lead-Time 26 Weeks	Mfr. Part # MF-NSML450/6-2 Mouser Part # 652-MF-NSML450/6-2	Bourns	Resettable Fuses - PPTC 6V 4.5A-HD 20A PTC Learn More about Bourns mf nsml x resettable fuses	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $0.399 A tariff of 21% may be applied if shipping to the United States.	Min.: 10,500 Mult.: 3,500 : 3,500	MF-NSML	SMD/SMT	SMD/SMT	4.5 A	6 VDC	9 A	50 A	14 mOhms	1206 (3216 metric)	- 40 C	+ 85 C	Reel

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