PTC Resettable Fuses

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Package/Case	Series	Packaging	Product Status	Type	Voltage - Max	Current - Hold (Ih) (Max)	Current - Trip (It)	Current - Max	Time to Trip	Resistance - Initial (Ri) (Min)	Resistance - Post Trip (R1) (Max)	Resistance - 25°C (Typ)	Operating Temperature	Grade	Qualification	Ratings	Mounting Type	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing
MF-NSML380/12-2 PTC RESET FUSE 12V 3.8A 1206 Bourns Inc.	3,027	-	RFQ	Datasheet	1206 (3216 Metric), Concave	Multifuse®, MF-NSML/X	Tape & Reel (TR)	Active	Polymeric	12V	3.8 A	7.6 A	50 A	5 s	2 mOhms	20 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.128" L x 0.063" W (3.25mm x 1.60mm)	-	0.055" (1.40mm)	-
MF-LR550 PTC RESET FUSE 10V 5.5A STRAP Bourns Inc.	2,156	-	RFQ	Datasheet	Strap	Multifuse®, MF-LR	Bulk	Active	Polymeric	10V	5.5 A	10.5 A	100 A	5 s	9 mOhms	22 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	1.417" L x 0.283" W (36.00mm x 7.20mm)	-	0.039" (1.00mm)	-
MF-NSML260/12-2 PTC RESET FUSE 12V 2.6A 1206 Bourns Inc.	16,674	-	RFQ	Datasheet	1206 (3216 Metric), Concave	Multifuse®, MF-NSML/X	Tape & Reel (TR)	Active	Polymeric	12V	2.6 A	5.2 A	50 A	5 s	4 mOhms	30 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.128" L x 0.063" W (3.25mm x 1.60mm)	-	0.039" (1.00mm)	-
MF-R600-2 PTC RESET FUSE 30V 6A RADIAL Bourns Inc.	884	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	30V	6 A	12 A	40 A	16 s	5 mOhms	40 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.760" L x 0.118" W (19.30mm x 3.00mm)	1.256" (31.90mm)	-	0.402" (10.20mm)
MF-PSHT016KX-2 PTC RESET FUSE 16V 160MA 0805 Bourns Inc.	8,616	-	RFQ	Datasheet	0805 (2012 Metric), Concave	Multifuse®, MF-PSHT	Tape & Reel (TR)	Active	Polymeric	16V	160 mA	800 mA	40 A	100 ms	700 mOhms	6 Ohms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.085" L x 0.053" W (2.15mm x 1.35mm)	-	0.031" (0.80mm)	-
MF-R1100 PTC RESET FUSE 16V 11A RADIAL Bourns Inc.	1,792	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Active	Polymeric	16V	11 A	22 A	100 A	20 s	3 mOhms	14 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.953" L x 0.118" W (24.20mm x 3.00mm)	1.295" (32.90mm)	-	0.402" (10.20mm)
CMF-SDP10A-2 PTC RESET FUSE 230V 150MA 4SMD Bourns Inc.	8,795	-	RFQ	Datasheet	4-SMD Cube	CMF-SDP	Tape & Reel (TR)	Active	Ceramic	230V (250V Int)	150 mA	360 mA	1 A	3.8 s	-	-	10 Ohms	-40°C ~ 125°C	-	-	-	Surface Mount	0.344" L x 0.283" W (8.75mm x 7.20mm)	-	0.402" (10.20mm)	-
MF-RG1100-2 PTC RESET FUSE 16V 11A RADIAL Bourns Inc.	4,743	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RG	Tape & Reel (TR)	Active	Polymeric	16V	11 A	18.7 A	100 A	7 s	3.7 mOhms	8.9 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.689" L x 0.118" W (17.50mm x 3.00mm)	1.024" (26.00mm)	-	0.201" (5.10mm)
MF-RG800-2 PTC RESET FUSE 16V 8A RADIAL Bourns Inc.	985	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RG	Tape & Reel (TR)	Active	Polymeric	16V	8 A	13.6 A	100 A	5 s	5.6 mOhms	17.5 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.500" L x 0.118" W (12.70mm x 3.00mm)	0.823" (20.90mm)	-	0.201" (5.10mm)
MF-PSML125/6-2 PTC RESET FUSE 6V 1.25A 0805 Bourns Inc.	35,020	-	RFQ	Datasheet	0805 (2012 Metric), Concave	Multifuse®, MF-PSML/X	Tape & Reel (TR)	Active	Polymeric	6V	1.25 A	2.5 A	50 A	400 ms	20 mOhms	160 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.085" L x 0.053" W (2.15mm x 1.35mm)	-	0.028" (0.70mm)	-

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FREQUENTLY ASKED QUESTIONS

PTC Resettable Fuses FAQ

Common questions about filtering, comparing and sourcing PTC Resettable Fuses components.

How can I narrow the PTC Resettable Fuses selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific PTC Resettable Fuses part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.