Resettable Fuses - PPTC

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MF-PSML/X PPTC Resettable Fuses

Bourns MF-PSML/X Low Resistance PPTC Resettable Fuses utilize Bourns' freeXpansion™ design that increases performance with higher hold current and maximum voltage ratings, improved resistance stability, and smaller footprints. The PTC resettable fuses feature hold current ratings from 0.75A to 3.0A at the 12V maximum rated voltage and even higher hold current ratings from 3.5A to 4.5A at 8V maximum rated voltage. Low-resistance conductive materials used in the series enable post-trip resistance values as low as 0.012Ω and initial resistance values as low as 0.001Ω. The low resistance values help boost the current carrying capability of the devices, and MF-PSML450/8-2 offers a 4.5A hold current rating at 8V_DC in a small 0805 package. Bourns MF-PSML/X is ideal for USB port protection, Li-ion battery packs, motherboards, and portable consumer electronic I/O port protection.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) 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 0805 SMD Polymer PTC 4.00A/8V MF-PSML400/8-2 Bourns 1: S/5.61 5,620In Stock	Mfr. Part # MF-PSML400/8-2 Mouser Part # 652-MF-PSML400/8-2	Bourns	Resettable Fuses - PPTC 0805 SMD Polymer PTC 4.00A/8V Learn More about Bourns mf psml x fuses	Datasheet	5,620In Stock	Cut Tape S/5.61 S/5.18 S/4.28 S/3.97 Reel S/2.48 View S/3.55 S/3.28 S/2.79 S/2.44	Min.: 1 Mult.: 1 : 3,000	MF-PSML/X	PCB Mount	SMD/SMT	4 A	6 V		50 A			- 40 C	+ 85 C	Reel, Cut Tape
Resettable Fuses - PPTC 6V 2.0A-HD 50A SMD MF-PSML200/6-2 Bourns 1: S/4.01 10,709In Stock	Mfr. Part # MF-PSML200/6-2 Mouser Part # 652-MF-PSML200/6-2	Bourns	Resettable Fuses - PPTC 6V 2.0A-HD 50A SMD Learn More about Bourns mf psml x fuses	Datasheet	10,709In Stock	Cut Tape S/4.01 S/3.07 S/2.88 S/2.23 Reel S/2.05 S/2.00 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	MF-PSML	SMD/SMT	SMD/SMT	2 A	6 VDC	4 A	50 A	50 mOhms	0805 (2012 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 1.1A-HD 50A SMD MF-PSML110/6-2 Bourns 1: S/4.13 16,567In Stock	Mfr. Part # MF-PSML110/6-2 Mouser Part # 652-MF-PSML110/6-2	Bourns	Resettable Fuses - PPTC 6V 1.1A-HD 50A SMD Learn More about Bourns mf psml x fuses	Datasheet	16,567In Stock	Cut Tape S/4.13 S/3.55 S/3.22 S/2.51 View Reel S/1.86 S/2.34 S/2.24 S/1.86 MouseReel Available	Min.: 1 Mult.: 1 : 4,500	MF-PSML	PCB Mount	SMD/SMT	1.1 A	6 VDC	2.2 A	50 A	210 mOhms	0805 (2012 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 12V 1.1A-HD 50A 0805 MF-PSML110/12-2 Bourns 1: S/3.70 7,587In Stock	Mfr. Part # MF-PSML110/12-2 Mouser Part # 652-MF-PSML110/12-2	Bourns	Resettable Fuses - PPTC 12V 1.1A-HD 50A 0805 Learn More about Bourns mf psml x fuses	Datasheet	7,587In Stock	Cut Tape S/3.70 S/2.81 S/2.64 S/1.99 S/1.85 Reel S/1.85	Min.: 1 Mult.: 1 : 4,500	MF-PSML/X	PCB Mount	SMD/SMT	1.1 A	12 VDC	2.2 A	50 A	210 mOhms		- 40 C	+ 85 C	Reel, Cut Tape
Resettable Fuses - PPTC 0805 SMD Polymer PTC 2.5A/6V MF-PSML250/6-2 Bourns 1: S/4.01 2,630In Stock	Mfr. Part # MF-PSML250/6-2 Mouser Part # 652-MF-PSML250/6-2	Bourns	Resettable Fuses - PPTC 0805 SMD Polymer PTC 2.5A/6V Learn More about Bourns mf psml x fuses	Datasheet	2,630In Stock	Cut Tape S/4.01 S/3.07 S/2.88 S/2.23 Reel S/1.63 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	MF-PSML	SMD/SMT	SMD/SMT	2.5 A	6 VDC	5 A	50 A	40 mOhms	0805 (2012 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 0805 SMD Polymer PTC 1.25A/6V MF-PSML125/6-2 Bourns 1: S/3.70 5,752In Stock	Mfr. Part # MF-PSML125/6-2 Mouser Part # 652-MF-PSML125/6-2	Bourns	Resettable Fuses - PPTC 0805 SMD Polymer PTC 1.25A/6V Learn More about Bourns mf psml x fuses	Datasheet	5,752In Stock	Cut Tape S/3.70 S/2.68 S/2.51 S/1.90 View Reel S/1.64 S/1.77 S/1.65 S/1.64 S/1.64 MouseReel Available	Min.: 1 Mult.: 1 : 4,500	MF-PSML	SMD/SMT	SMD/SMT	1.25 A	6 VDC	2.5 A	50 A	160 mOhms	0805 (2012 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 1.75A-HD 50A MAX MF-PSML175/12-2 Bourns 1: S/4.55 3,400In Stock	Mfr. Part # MF-PSML175/12-2 Mouser Part # 652-MF-PSML175/12-2	Bourns	Resettable Fuses - PPTC 6V 1.75A-HD 50A MAX Learn More about Bourns mf psml x fuses	Datasheet	3,400In Stock	Cut Tape S/4.55 S/4.20 S/3.46 S/3.20 View Reel S/2.04 S/2.87 S/2.65 S/2.42 S/2.24 S/2.04	Min.: 1 Mult.: 1 : 4,500	MF-PSML/X	PCB Mount	SMD/SMT	1.75 A	6 V	3.5 A	50 A	55 mOhms		- 40 C	+ 85 C	Reel, Cut Tape
Resettable Fuses - PPTC 6V 1.75A-HD 50A SMD MF-PSML175/6-2 Bourns 1: S/3.70 3,609In Stock	Mfr. Part # MF-PSML175/6-2 Mouser Part # 652-MF-PSML175/6-2	Bourns	Resettable Fuses - PPTC 6V 1.75A-HD 50A SMD Learn More about Bourns mf psml x fuses	Datasheet	3,609In Stock	Cut Tape S/3.70 S/2.68 S/2.51 S/1.90 View Reel S/1.63 S/1.77 S/1.65 S/1.63 S/1.63 MouseReel Available	Min.: 1 Mult.: 1 : 4,500	MF-PSML	SMD/SMT	SMD/SMT	1.75 A	6 VDC	3.5 A	50 A	65 mOhms	0805 (2012 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 0805 SMD Polymer PTC 4.50A/8V MF-PSML450/8-2 Bourns 1: S/5.53 3,247In Stock	Mfr. Part # MF-PSML450/8-2 Mouser Part # 652-MF-PSML450/8-2	Bourns	Resettable Fuses - PPTC 0805 SMD Polymer PTC 4.50A/8V Learn More about Bourns mf psml x fuses	Datasheet	3,247In Stock	Cut Tape S/5.53 S/4.59 S/3.87 S/3.63 Reel S/2.48 View S/3.32 S/3.28 S/2.79 S/2.39	Min.: 1 Mult.: 1 : 3,000	MF-PSML/X	PCB Mount	SMD/SMT	4.5 A	8 VDC	9 A	50 A	12 mOhms		- 40 C	+ 85 C	Reel, Cut Tape
Resettable Fuses - PPTC 12V 750MA-HD 50A 0805 MF-PSML075/12-2 Bourns 1: S/4.09 12,526In Stock	Mfr. Part # MF-PSML075/12-2 Mouser Part # 652-MF-PSML075/12-2	Bourns	Resettable Fuses - PPTC 12V 750MA-HD 50A 0805 Learn More about Bourns mf psml x fuses	Datasheet	12,526In Stock	Cut Tape S/4.09 S/3.23 S/3.01 S/2.29 View Reel S/1.88 S/2.13 S/2.04 S/1.88 MouseReel Available	Min.: 1 Mult.: 1 : 4,500	MF-PSML/X	PCB Mount	SMD/SMT	750 mA	12 VDC	1.5 A	50 A	300 mOhms		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 1.5A-HD 50A SMD MF-PSML150/6-2 Bourns 1: S/3.93 17,252In Stock	Mfr. Part # MF-PSML150/6-2 Mouser Part # 652-MF-PSML150/6-2	Bourns	Resettable Fuses - PPTC 6V 1.5A-HD 50A SMD Learn More about Bourns mf psml x fuses	Datasheet	17,252In Stock	Cut Tape S/3.93 S/3.09 S/2.89 S/2.18 View Reel S/1.34 S/2.17 S/1.43 S/1.34 MouseReel Available	Min.: 1 Mult.: 1 : 4,500	MF-PSML	PCB Mount	SMD/SMT	1.5 A	6 VDC	3 A	50 A	80 mOhms	0805 (2012 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 3.0A-HD 50A MAX MF-PSML300/12-2 Bourns 1: S/3.89 10,838In Stock	Mfr. Part # MF-PSML300/12-2 Mouser Part # 652-MF-PSML300/12-2	Bourns	Resettable Fuses - PPTC 6V 3.0A-HD 50A MAX Learn More about Bourns mf psml x fuses	Datasheet	10,838In Stock	Cut Tape S/3.89 S/2.95 S/2.23 S/2.16 Reel S/1.85 View S/1.98 S/1.85 S/1.70	Min.: 1 Mult.: 1 : 3,000	MF-PSML/X	PCB Mount	SMD/SMT	3 A	12 VDC	6 A	50 A	20 mOhms		- 40 C	+ 85 C	Reel, Cut Tape
Resettable Fuses - PPTC 6V 750MA-HD 50A SMD MF-PSML075/6-2 Bourns 1: S/3.81 1,292In Stock 13,500Expected 3/31/2027	Mfr. Part # MF-PSML075/6-2 Mouser Part # 652-MF-PSML075/6-2	Bourns	Resettable Fuses - PPTC 6V 750MA-HD 50A SMD Learn More about Bourns mf psml x fuses	Datasheet	1,292In Stock 13,500Expected 3/31/2027	Cut Tape S/3.81 S/3.09 S/2.83 S/2.18 View Reel S/1.74 S/2.03 S/1.90 S/1.74 S/1.74 MouseReel Available	Min.: 1 Mult.: 1 : 4,500	MF-PSML	SMD/SMT	SMD/SMT	750 mA	6 VDC	1.5 A	50 A	300 mOhms	0805 (2012 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 0805 SMD Polymer PTC, 12V/2.00A MF-PSML200/12-2 Bourns 1: S/4.44 1,926In Stock	Mfr. Part # MF-PSML200/12-2 Mouser Part # 652-MF-PSML200/12-2	Bourns	Resettable Fuses - PPTC 0805 SMD Polymer PTC, 12V/2.00A Learn More about Bourns mf psml x fuses	Datasheet	1,926In Stock	Cut Tape S/4.44 S/3.39 S/2.57 S/2.49 Reel S/2.35 View S/2.39 S/2.21 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	MF-PSML/X	PCB Mount	SMD/SMT	2 A	12 VDC	4 A	50 A	50 mOhms		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 2.5A-HD 50A MAX MF-PSML250/12-2 Bourns 1: S/4.44 3,112In Stock	Mfr. Part # MF-PSML250/12-2 Mouser Part # 652-MF-PSML250/12-2	Bourns	Resettable Fuses - PPTC 6V 2.5A-HD 50A MAX Learn More about Bourns mf psml x fuses	Datasheet	3,112In Stock	Cut Tape S/4.44 S/3.39 S/2.57 S/2.49 Reel S/2.45 View S/2.45 S/2.21	Min.: 1 Mult.: 1 : 3,000	MF-PSML/X	PCB Mount	SMD/SMT	2.5 A	12 VDC	5 A	50 A	40 mOhms		- 40 C	+ 85 C	Reel, Cut Tape
Resettable Fuses - PPTC 6V 3.0A-HD 50A SMD MF-PSML300/6-2 Bourns 1: S/4.36 2,506In Stock	Mfr. Part # MF-PSML300/6-2 Mouser Part # 652-MF-PSML300/6-2	Bourns	Resettable Fuses - PPTC 6V 3.0A-HD 50A SMD Learn More about Bourns mf psml x fuses	Datasheet	2,506In Stock	Cut Tape S/4.36 S/3.53 S/3.30 S/2.50 Reel S/2.25 View S/2.32 S/2.25 S/2.07 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	MF-PSML	SMD/SMT	SMD/SMT	3 A	6 VDC	6 A	50 A	20 mOhms	0805 (2012 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V 2.6A-HD 50A MAX MF-PSML260/12-2 Bourns 1: S/4.44 864In Stock	Mfr. Part # MF-PSML260/12-2 Mouser Part # 652-MF-PSML260/12-2	Bourns	Resettable Fuses - PPTC 6V 2.6A-HD 50A MAX Learn More about Bourns mf psml x fuses	Datasheet	864In Stock	Cut Tape S/4.44 S/3.39 S/2.57 S/2.49 Reel S/2.36 View S/2.36 S/2.21	Min.: 1 Mult.: 1 : 3,000	MF-PSML/X	PCB Mount	SMD/SMT	2.6 A	12 VDC	5.2 A	50 A	30 mOhms		- 40 C	+ 85 C	Reel, Cut Tape
Resettable Fuses - PPTC 6V 1.25A-HD 50A MAX MF-PSML125/12-2 Bourns 13,500: S/1.88 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # MF-PSML125/12-2 Mouser Part # 652-MF-PSML125/12-2	Bourns	Resettable Fuses - PPTC 6V 1.25A-HD 50A MAX Learn More about Bourns mf psml x fuses	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape S/1.88	Min.: 13,500 Mult.: 4,500 : 4,500	MF-PSML/X	PCB Mount	SMD/SMT	1.25 A	12 VDC	2.5 A	50 A	160 mOhms		- 40 C	+ 85 C	Reel
Resettable Fuses - PPTC 12V 1.5A-HD 50A 0805 MF-PSML150/12-2 Bourns 13,500: S/1.88 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # MF-PSML150/12-2 Mouser Part # 652-MF-PSML150/12-2	Bourns	Resettable Fuses - PPTC 12V 1.5A-HD 50A 0805 Learn More about Bourns mf psml x fuses	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape S/1.88	Min.: 13,500 Mult.: 4,500 : 4,500	MF-PSML/X	PCB Mount	SMD/SMT	1.5 A	12 VDC	3 A	50 A	80 mOhms		- 40 C	+ 85 C	Reel
Resettable Fuses - PPTC 6V 2.6A-HD 50A SMD MF-PSML260/6-2 Bourns 1: S/4.67 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # MF-PSML260/6-2 Mouser Part # 652-MF-PSML260/6-2	Bourns	Resettable Fuses - PPTC 6V 2.6A-HD 50A SMD Learn More about Bourns mf psml x fuses	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape S/4.67 S/4.13 S/3.31 S/2.79 View Reel S/2.19 S/2.54 S/2.36 S/2.19 S/2.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	MF-PSML	SMD/SMT	SMD/SMT	2.6 A	6 VDC	5.2 A	50 A	30 mOhms	0805 (2012 metric)	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 8V 3.5A-HD 50A SMD MF-PSML350/8-2 Bourns 9,000: S/2.64 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # MF-PSML350/8-2 Mouser Part # 652-MF-PSML350/8-2	Bourns	Resettable Fuses - PPTC 8V 3.5A-HD 50A SMD Learn More about Bourns mf psml x fuses	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape S/2.64	Min.: 9,000 Mult.: 3,000 : 3,000	MF-PSML/X	PCB Mount	SMD/SMT	3.5 A	6 V	7 A	50 A	25 mOhms		- 40 C	+ 85 C	Reel
Resettable Fuses - PPTC 0805 SMD Polymer PTC 3.80A/8V MF-PSML380/8-2 Bourns 9,000: S/2.12 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # MF-PSML380/8-2 Mouser Part # 652-MF-PSML380/8-2	Bourns	Resettable Fuses - PPTC 0805 SMD Polymer PTC 3.80A/8V Learn More about Bourns mf psml x fuses	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape S/2.12	Min.: 9,000 Mult.: 3,000 : 3,000	MF-PSML/X	PCB Mount	SMD/SMT	3.8 A	8 VDC	7.6 A	50 A	16 mOhms		- 40 C	+ 85 C	Reel

MF-PSML/X PPTC Resettable Fuses

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