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-USML175-2PTC RESET FUSE 6V 1.75A 1210 |
3,614 | - |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 1.75 A | 3.5 A | 50 A | 2.5 s | 6 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.60mm) | - |
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MF-USML190-2PTC RESET FUSE 6V 1.9A 1210 |
5,738 | - |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 1.9 A | 4.9 A | 50 A | 3 s | 6 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.60mm) | - |
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MF-USML380-2PTC RESET FUSE 6V 3.8A 1210 |
7,846 | - |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.8 A | 8 A | 50 A | 2 s | 2 mOhms | 16 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.60mm) | - |
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MF-USML400-2PTC RESET FUSE 6V 4A 1210 |
4,017 | - |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 4 A | 8 A | 50 A | 2 s | 1.5 mOhms | 15.5 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.60mm) | - |
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FSMD185-2920-RRESETTABLE FUSE - SMD, 2920 SIZE |
2,000 | - |
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Datasheet | 2920 (7351 Metric), Concave | FSMD2920 | Tape & Reel (TR) | Active | - | 33V | 1.85 A | 3.7 A | 100 A | 2.5 s | 40 mOhms | 150 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.035" (0.90mm) | - |
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R1812-110-24-RPTC RESET FUSE 24V 1.1A 1812 |
1,500 | - |
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Datasheet | 1812 (4532 Metric), Concave | R1812 | Tape & Reel (TR) | Active | Polymeric | 24V | 1.1 A | 2.2 A | 100 A | 500 ms | 60 mOhms | 200 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.051" (1.30mm) | - |
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TS250-130F-RA-N-2PTC RESET FUSE 60V 130MA 2SMD |
2,748 | - |
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Datasheet | 2-SMD | PolySwitch®, TS250 | Tape & Reel (TR) | Obsolete | Polymeric | 60V (600V Int) | 130 mA | 260 mA | 1 A | 2.5 s | 6.5 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.353" L x 0.290" W (8.95mm x 7.40mm) | - | 0.134" (3.40mm) | - |
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MF-R075-2-99PTC RESET FUSE 60V 750MA RADIAL |
2,549 | - |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Obsolete | Polymeric | 60V | 750 mA | 1.5 A | 40 A | 6.3 s | 180 mOhms | 600 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.630" (16.00mm) | - | 0.201" (5.10mm) |
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PTR030V0250-TR1PTC RESET FUSE 30V 2.5A RADIAL |
6,693 | - |
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Datasheet | Radial, Disc | PTR030V | Tape & Reel (TR) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 20 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.807" (20.50mm) | - | 0.197" (5.00mm) |
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PTR030V0600-TRPTC RESET FUSE 30V 6A RADIAL |
7,821 | - |
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Datasheet | Radial, Disc | PTR030V | Tape & Reel (TR) | Active | Polymeric | 30V | 6 A | 12 A | 100 A | 16 s | 5 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 1.169" (29.70mm) | - | 0.394" (10.00mm) |
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MF-NSML350-2PTC RESET FUSE 6V 3.5A 1206 |
9,025 | - |
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Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.5 A | 7 A | 50 A | 5 s | 2 mOhms | 18 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.024" (0.60mm) | - |
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PFUF.035.2PTC RESET FUSE 6V 350MA 1210 |
1,532 | - |
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Datasheet | 1210 (3225 Metric), Concave | PFUF | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 750 mA | 40 A | 200 ms | 200 mOhms | 1.3 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.028" (0.70mm) | - |
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LVR025SPTC Resettable Fuse, 120V, 1.3oh |
1,072 | - |
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Datasheet | - | * | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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PTR060V0160-TRPTC RESET FUSE 60V 1.6A RADIAL |
3,661 | - |
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Datasheet | Radial, Disc | PTR060V | Tape & Reel (TR) | Active | Polymeric | 60V | 1.6 A | 3.2 A | 40 A | 11.4 s | 90 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.642" Dia x 0.118" T (16.30mm x 3.00mm) | 0.839" (21.30mm) | - | 0.197" (5.00mm) |
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FSMD050-2920-RRESETTABLE FUSE - SMD, 2920 SIZE |
1,950 | - |
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Datasheet | 2920 (7351 Metric), Concave | FSMD2920 | Tape & Reel (TR) | Active | - | 60V | 500 mA | 1 A | 100 A | 4 s | 300 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.045" (1.15mm) | - |
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FSMD075-2920-RRESETTABLE FUSE - SMD, 2920 SIZE |
1,935 | - |
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Datasheet | 2920 (7351 Metric), Concave | FSMD2920 | Tape & Reel (TR) | Active | - | 33V | 750 mA | 1.5 A | 100 A | 300 ms | 180 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.045" (1.15mm) | - |
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MF-RX300/72-0-14FUSE PTC RESETTABLE |
5,230 | - |
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Datasheet | Radial, Disc | MF-RX/72 | Bulk | Active | - | 72V | 3 A | 6 A | 40 A | 19.8 s | - | - | - | - | - | - | - | Through Hole | 0.980" L x 0.122" W (24.90mm x 3.10mm) | 1.181" (30.00mm) | - | 0.402" (10.20mm) |
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MF-RX185-2-99PTC RESET FUSE 60V 1.85A RADIAL |
5,168 | - |
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Datasheet | Radial, Disc | Multifuse®, MF-RX | Tape & Reel (TR) | Obsolete | Polymeric | 60V | 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) |
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PTR016V0800-TR1PTC RESET FUSE 16V 8A RADIAL |
8,149 | - |
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Datasheet | Radial, Disc | PTR016V | Tape & Reel (TR) | Active | Polymeric | 16V | 8 A | 13.6 A | 100 A | 5 s | 5 mOhms | 18 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.500" L x 0.122" W (12.70mm x 3.10mm) | 0.906" (23.00mm) | - | 0.197" (5.00mm) |
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RXEF065-APPTC RESET FUSE 72V 650MA RADIAL |
1,948 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Cut Tape (CT) | Active | Polymeric | 72V | 650 mA | 1.3 A | 40 A | 5.3 s | 310 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.370" Dia x 0.118" T (9.40mm x 3.00mm) | 0.571" (14.50mm) | - | 0.199" (5.05mm) |
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.
