PTC Resettable Fuses

Use the filters and product table below to compare PTC Resettable Fuses components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters

Stock & Datasheets Review availability and technical references

RFQ & BOM Support Send your target MPN, quantity or BOM

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-R055/90U-0 PTC RESET FUSE 90V 550MA RADIAL Bourns Inc.	5,176	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R/90	Bulk	Obsolete	Polymeric	90V	550 mA	1.1 A	10 A	28 s	450 mOhms	2 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.429" Dia x 0.142" T (10.90mm x 3.60mm)	0.657" (16.70mm)	-	0.201" (5.10mm)
CMF-SD25-2 PTC RESET FUSE 230V 130MA 4SMD Bourns Inc.	8,226	-	RFQ	Datasheet	4-SMD Cube	CMF-SD	Tape & Reel (TR)	Obsolete	Ceramic	230V (600V Int)	130 mA	260 mA	2.8 A	300 ms	-	-	25 Ohms	-	-	-	-	Surface Mount	0.402" L x 0.354" W (10.20mm x 9.00mm)	-	0.425" (10.80mm)	-
CMF-SD50A-10-2 PTC RESET FUSE 230V 90MA 4SMD Bourns Inc.	8,646	-	RFQ	Datasheet	4-SMD Cube	CMF-SD	Tape & Reel (TR)	Obsolete	Ceramic	230V (600V Int)	90 mA	190 mA	3 A	100 ms	-	-	50 Ohms	-	-	-	-	Surface Mount	0.319" L x 0.282" W (8.10mm x 7.15mm)	-	0.335" (8.50mm)	-
MF-R015/600-0 PTC RESET FUSE 250V 150MA RADIAL Bourns Inc.	7,290	-	RFQ	Datasheet	Radial, Box	Multifuse®, MF-R/600	Bulk	Obsolete	Polymeric	250V (600V Int)	150 mA	300 mA	3 A	5 s	6 Ohms	22 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.531" L x 0.236" W (13.50mm x 6.00mm)	0.496" (12.60mm)	-	0.197" (5.00mm)
MF-R016/600-0 PTC RESET FUSE 250V 160MA RADIAL Bourns Inc.	9,995	-	RFQ	Datasheet	Radial, Box	Multifuse®, MF-R/600	Bulk	Obsolete	Polymeric	250V (600V Int)	160 mA	320 mA	3 A	7 s	4 Ohms	18 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.630" L x 0.236" W (16.00mm x 6.00mm)	0.496" (12.60mm)	-	0.197" (5.00mm)
CMF-RLC50-0 PTC RESET FUSE 230V 65MA RADIAL Bourns Inc.	5,506	-	RFQ	Datasheet	Radial, Disc	CMF-RLC	Bulk	Obsolete	Ceramic	230V (650V Int)	65 mA	150 mA	3 A	100 ms	-	-	50 Ohms	-	-	-	-	Through Hole	0.354" L x 0.177" W (9.00mm x 4.50mm)	0.378" (9.60mm)	-	0.200" (5.08mm)
CMF-RLC50-10-0 PTC RESET FUSE 230V 65MA RADIAL Bourns Inc.	5,006	-	RFQ	Datasheet	Radial, Disc	CMF-RLC	Bulk	Obsolete	Ceramic	230V (650V Int)	65 mA	150 mA	3 A	100 ms	-	-	50 Ohms	-	-	-	-	Through Hole	0.354" L x 0.177" W (9.00mm x 4.50mm)	0.378" (9.60mm)	-	0.200" (5.08mm)
CMF-RQ50-0 PTC RESET FUSE 230V 90MA 8DIP Bourns Inc.	6,512	-	RFQ	Datasheet	8-DIP (0.197", 5.00mm)	CMF-RQ	Bulk	Obsolete	Ceramic	230V (600V Int)	90 mA	190 mA	3 A	100 ms	-	-	50 Ohms	-	-	-	-	Through Hole	0.787" L x 0.354" W (20.00mm x 9.00mm)	0.398" (10.10mm)	-	0.197" (5.00mm)
CMF-RQ50-10-0 PTC RESET FUSE 230V 90MA 8DIP Bourns Inc.	7,543	-	RFQ	Datasheet	8-DIP (0.197", 5.00mm)	CMF-RQ	Bulk	Obsolete	Ceramic	230V (600V Int)	90 mA	190 mA	3 A	100 ms	-	-	50 Ohms	-	-	-	-	Through Hole	0.787" L x 0.354" W (20.00mm x 9.00mm)	0.398" (10.10mm)	-	0.197" (5.00mm)
MF-R015/600-A05-0 PTC RESET FUSE 250V 150MA RADIAL Bourns Inc.	8,179	-	RFQ	Datasheet	Radial, Box	Multifuse®, MF-R/600	Bulk	Obsolete	Polymeric	250V (600V Int)	150 mA	300 mA	3 A	5 s	7 Ohms	20 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.531" L x 0.236" W (13.50mm x 6.00mm)	0.496" (12.60mm)	-	0.197" (5.00mm)

WINSUN SOURCING SUPPORT

Need Help Sourcing PTC Resettable Fuses?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing

Send part number & quantity Request a Quote

Need sourcing assistance? Contact Sales

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.