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-LR730/20-0PTC RESET FUSE 20V 7.3A STRAP |
3,449 | - |
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Datasheet | Strap | Multifuse®, MF-LR | Bulk | Active | Polymeric | 20V | 7.3 A | 14.1 A | 100 A | 5 s | 6 mOhms | 15 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.106" L x 0.559" W (28.10mm x 14.20mm) | - | 0.039" (1.00mm) | - |
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MF-ASML020/6-2PTC RESET FUSE 6V 200MA 0402 |
10,279 | - |
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Datasheet | 0402 (1005 Metric), Concave | Multifuse®, MF-ASML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 200 mA | 500 mA | 50 A | 1 s | 100 mOhms | 1.6 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.039" L x 0.020" W (1.00mm x 0.50mm) | - | 0.024" (0.60mm) | - |
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MF-PSML300/12-2PTC RESET FUSE 12V 3A 0805 |
19,725 | - |
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Datasheet | 0805 (2012 Metric), Concave | Multifuse®, MF-PSML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 3 A | 6 A | 50 A | 5 s | 3 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.055" (1.40mm) | - |
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MF-PSML200/12-2PTC RESET FUSE 12V 2A 0805 |
1,431 | - |
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Datasheet | 0805 (2012 Metric), Concave | Multifuse®, MF-PSML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 2 A | 4 A | 50 A | 2 s | 5 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.055" (1.40mm) | - |
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MF-ASML050/6-2PTC RESET FUSE 6V 500MA 0402 |
22,663 | - |
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Datasheet | 0402 (1005 Metric), Concave | Multifuse®, MF-ASML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 500 mA | 1 A | 50 A | 100 ms | 500 mOhms | 500 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.039" L x 0.020" W (1.00mm x 0.50mm) | - | 0.024" (0.60mm) | - |
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MF-ASML035/6-2PTC RESET FUSE 6V 350MA 0402 |
8,645 | - |
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Datasheet | 0402 (1005 Metric), Concave | Multifuse®, MF-ASML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 700 mA | 50 A | 100 ms | 50 mOhms | 850 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.039" L x 0.020" W (1.00mm x 0.50mm) | - | 0.024" (0.60mm) | - |
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MF-LSMF330/24X-22920 RESETTABLE SMD PPTC 3.3A/24 |
527 | - |
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Datasheet | 2920 (7351 Metric), Concave | Multifuse®, MF-LSMF | Tape & Reel (TR) | Active | Polymeric | 24V | 3.3 A | - | - | - | - | - | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | - | - |
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MF-LSMF500/16X-22920 RESETTABLE SMD PPTC 5.0A/16 |
2,713 | - |
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Datasheet | 2920 (7351 Metric), Concave | Multifuse®, MF-LSMF | Tape & Reel (TR) | Active | Polymeric | 16V | 5 A | - | - | - | - | - | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | - | - |
.JPG "MF-NSMF016-2")
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MF-NSMF016-2PTC RESET FUSE 160MA 1206 |
6,694 | - |
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Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 30V | 160 mA | 370 mA | 10 A | 300 ms | 700 mOhms | 6 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.033" (0.85mm) | - |
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MF-RX185/72-0-14PTC RESET FUSE 72V 1.85A RADIAL |
8,186 | - |
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Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Bulk | Active | Polymeric | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.701" L x 0.122" W (17.80mm x 3.10mm) | 0.902" (22.90mm) | - | 0.201" (5.10mm) |
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.
