PTC Resettable Fuses
Browse available PTC Resettable Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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-S150PTC RESET FUSE 15V 1.5A STRAP |
2,000 | - |
|
Datasheet | Strap | Multifuse®, MF-S | Bulk | Active | Polymeric | 15V | 1.5 A | 3 A | 100 A | 5 s | 50 mOhms | 113 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.880" L x 0.417" W (22.35mm x 10.60mm) | - | 0.043" (1.10mm) | - |
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72R040XPRPTC RESET FUSE 72V 400MA RADIAL |
1,407 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 72R | Cut Tape (CT) | Active | Polymeric | 72V | 400 mA | 800 mA | 40 A | 3.8 s | 550 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.299" Dia x 0.122" T (7.60mm x 3.10mm) | 0.532" (13.50mm) | - | 0.201" (5.10mm) |
|
TCF250-180TPTC RESET FUSE 60V 180MA SMD |
2,488 | - |
|
Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bag | Active | Polymeric | 60V (250V Int) | 180 mA | 380 mA | 3 A | 3.4 s | 1.9 Ohms | 4.2 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.276" L x 0.276" W (7.00mm x 7.00mm) | - | 0.063" (1.60mm) | - |
|
PFRY.185PTC RESET FUSE 72V 1.85A RADIAL |
1,850 | - |
|
Datasheet | Radial, Disc | PFRY | 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 | 0.598" L x 0.118" W (15.18mm x 3.00mm) | 0.835" (21.20mm) | - | 0.201" (5.10mm) |
|
MF-RX185/72-2-14FUSE PTC RESETTABLE |
11,337 | - |
|
Datasheet | Radial, Disc | MF-RX/72 | Tape & Reel (TR) | Active | - | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | - | - | - | - | - | - | - | Through Hole | 0.701" L x 0.122" W (17.80mm x 3.10mm) | 0.902" (22.90mm) | - | 0.201" (5.10mm) |
|
MF-NSMF025/24X-2FUSE RESET PPTC 1206 0.25A/24V |
7,867 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 24V | 250 mA | 500 mA | 80 A | 50 ms | 450 mOhms | 2.3 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.033" (0.85mm) | - |
|
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MF-NSMF010/30X-2FUSE RESET PPTC 1206 0.10A/30V |
5,985 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 30V | 100 mA | 250 mA | 40 A | 1.5 s | 1.35 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.043" (1.10mm) | - |
|
|
MF-NSMF010/60X-2FUSE RESET PPTC 1206 0.10A/60V |
5,947 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 60V | 100 mA | 250 mA | 10 A | 1.5 s | 1.35 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.043" (1.10mm) | - |
|
|
MF-NSMF005/30X-2FUSE RESET PPTC 1206 0.05A/30V |
5,783 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 30V | 50 mA | 150 mA | 40 A | 1.5 s | 2.8 Ohms | 20 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.043" (1.10mm) | - |
|
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MF-NSMF005/60X-2FUSE RESET PPTC 1206 0.05A/60V |
5,442 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 60V | 50 mA | 150 mA | 10 A | 1.5 s | 2.8 Ohms | 20 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.043" (1.10mm) | - |
|
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MF-NSMF012/48X-2FUSE RESET PPTC 1206 0.12A/48V |
3,900 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 48V | 120 mA | 290 mA | 10 A | 200 ms | 1 Ohms | 6.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.043" (1.10mm) | - |
|
|
MF-NSMF035/30X-2FUSE RESET PPTC 1206 0.35A/30V |
3,549 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 30V | 350 mA | 750 mA | 60 A | 100 ms | 300 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.033" (0.85mm) | - |
|
|
TCF250-120T-RB-B-0.5PTC RESET FUSE 60V 120MA SMD |
2,210 | - |
|
Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bag | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 600 ms | 6.3 Ohms | 18 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.217" L x 0.217" W (5.50mm x 5.50mm) | - | 0.091" (2.30mm) | - |
|
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MF-LSMF030X-2FUSE RESETTABLE 2920 0.3A 60V |
3,686 | - |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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MF-LSMF050X-2FUSE RESETTABLE 2920 0.5A 60V |
2,359 | - |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MF-R005-APPTC RESET FUSE 60V 50MA RADIAL |
16,000 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Cut Tape (CT) | Active | Polymeric | 60V | 50 mA | 100 mA | 40 A | 5 s | 7.3 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.315" Dia x 0.122" T (8.00mm x 3.10mm) | 0.327" (8.30mm) | - | 0.201" (5.10mm) |
|
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MF-NSMF075/8X-2FUSE RESET PPTC 1206 0.75A/8V |
7,697 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 8V | 750 mA | 1.5 A | 100 A | 100 ms | 90 mOhms | 350 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.047" (1.20mm) | - |
|
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TCF250-145-RB-B-0.5PTC RESET FUSE 60V 145MA SMD |
4,980 | - |
|
Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bag | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.217" L x 0.217" W (5.50mm x 5.50mm) | - | 0.091" (2.30mm) | - |
|
PTR060V0040-TRPTC RESET FUSE 60V 400MA RADIAL |
2,984 | - |
|
Datasheet | Radial, Disc | PTR060V | Tape & Reel (TR) | Active | Polymeric | 60V | 400 mA | 800 mA | 40 A | 3.8 s | 550 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.299" Dia x 0.118" T (7.60mm x 3.00mm) | 0.532" (13.50mm) | - | 0.197" (5.00mm) |
|
|
TCF250-120T-RA-B-0.5PTC RESET FUSE 60V 120MA SMD |
2,500 | - |
|
Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bag | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 600 ms | 6.3 Ohms | 18 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.217" L x 0.217" W (5.50mm x 5.50mm) | - | 0.091" (2.30mm) | - |
PTC Resettable Fuses FAQ
Common questions about selecting, comparing and sourcing PTC Resettable Fuses components through Winsun (HK) Electronics.
What should I check when selecting PTC Resettable Fuses components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific PTC Resettable Fuses part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for PTC Resettable Fuses components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
