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.
| Photo | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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MF-RX012/250-2PTC RESET FUSE 60V 120MA RADIAL |
391 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 120 mA | - | 3 A | - | 8 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.201" (5.10mm) |
|
MF-RX300/72-2PTC RESET FUSE 72V 3A RADIAL |
1,336 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Reel (TR) | Active | Polymeric | 72V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.814" L x 0.122" W (20.67mm x 3.10mm) | 1.050" (26.67mm) | - | 0.402" (10.20mm) |
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MF-RHT200/32-0PTC RESET FUSE 32V 2A RADIAL |
928 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bag | Active | Polymeric | 32V | 2 A | 3.8 A | 50 A | 3 s | 45 mOhms | 110 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.370" Dia x 0.118" T (9.40mm x 3.00mm) | 0.551" (14.00mm) | - | 0.201" (5.10mm) |
.jpg "MF-PSML260/6-2")
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MF-PSML260/6-2PTC RESET FUSE 6V 2.6A 0805 |
672 | - |
|
Datasheet | 0805 (2012 Metric), Concave | Multifuse®, MF-PSML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 2.6 A | 5.2 A | 50 A | 4 s | 3 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.055" (1.40mm) | - |
|
MF-RX030/72-0PTC RESET FUSE 72V 300MA RADIAL |
477 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Bulk | Active | Polymeric | 72V | 300 mA | 600 mA | 40 A | 3 s | 760 mOhms | 2.1 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.528" (13.40mm) | - | 0.201" (5.10mm) |
|
MF-RX250/72-2PTC RESET FUSE 72V 2.5A RADIAL |
446 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Reel (TR) | Active | Polymeric | 72V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.702" L x 0.122" W (17.84mm x 3.10mm) | 0.939" (23.84mm) | - | 0.402" (10.20mm) |
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MF-R110-2PTC RESET FUSE 30V 1.1A RADIAL |
989 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 30V | 1.1 A | 2.2 A | 40 A | 6.6 s | 100 mOhms | 270 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" Dia x 0.118" T (8.90mm x 3.00mm) | 0.551" (14.00mm) | - | 0.201" (5.10mm) |
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MF-NSML500/6-2PTC RESET FUSE 6V 5A 1206 |
747 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 5 A | 10 A | 50 A | 5 s | 2 mOhms | 11 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.039" (1.00mm) | - |
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MF-LR450PTC RESET FUSE 16V 4.5A STRAP |
729 | - |
|
Datasheet | Strap | Multifuse®, MF-LR | Bulk | Active | Polymeric | 16V | 4.5 A | 8.9 A | 100 A | 5 s | 11 mOhms | 28 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.402" W (25.00mm x 10.21mm) | - | 0.039" (1.00mm) | - |
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CMF-RL55A-10-0PTC RESET FUSE 220V 50MA RADIAL |
513 | - |
|
Datasheet | Radial, Disc | CMF-RL | Bulk | Active | Ceramic | 220V (600V Int) | 50 mA | 100 mA | 3 A | 100 ms | - | - | 55 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.295" L x 0.220" W (7.50mm x 5.60mm) | 0.512" (13.00mm) | - | 0.197" (5.00mm) |
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.
