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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LR4-260FPTC RESET FUSE 15V 2.6A STRAP |
4,546 | - |
|
Datasheet | Strap | PolySwitch®, LR4 | Bag | Active | Polymeric | 15V | 2.6 A | 5.8 A | 100 A | 5 s | 20 mOhms | 63 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.205" W (22.00mm x 5.20mm) | - | 0.039" (1.00mm) | - |
|
72R110XUPTC RESET FUSE 72V 1.1A RADIAL |
1,332 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 72R | Bulk | Active | Polymeric | 72V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.512" Dia x 0.122" T (13.00mm x 3.10mm) | 0.717" (18.20mm) | - | 0.201" (5.10mm) |
|
MF-RM040/240-2PTC RESET FUSE 240V 400MA RADIAL |
14,776 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RM | Tape & Reel (TR) | Active | Polymeric | 240V (265V Int) | 400 mA | 900 mA | 5.5 A | 24 s | 600 mOhms | 1.9 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.453" L x 0.150" W (11.50mm x 3.80mm) | 0.823" (20.90mm) | - | 0.114" (2.90mm) |
|
MF-SM013/250V-2PTC RESET FUSE 60V 130MA 2SMD |
9,359 | - |
|
Datasheet | 2-SMD | Multifuse®, MF-SM/250V | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 130 mA | - | 3 A | - | 4 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.350" L x 0.283" W (8.90mm x 7.20mm) | - | 0.402" (10.20mm) | - |
|
TRF250-145T-2PTC RESET FUSE 60V 145MA RADIAL |
1,431 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 1.5 s | 5.4 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.181" L x 0.181" W (4.60mm x 4.60mm) | 0.433" (11.00mm) | - | 0.197" (5.00mm) |
|
MF-NSML450/12-2PTC RESET FUSE 12V 4.5A 1206 |
7,407 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 4.5 A | 9 A | 50 A | 2 s | 2 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.055" (1.40mm) | - |
|
MF-USHT010KX-2PTC RESET FUSE 30V 100MA 1210 |
3,425 | - |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USHT | Tape & Reel (TR) | Active | Polymeric | 30V | 100 mA | 500 mA | 20 A | 1.5 s | 1 Ohms | 7.5 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.033" (0.85mm) | - |
|
|
MF-NSML380/12-2PTC RESET FUSE 12V 3.8A 1206 |
3,027 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 3.8 A | 7.6 A | 50 A | 5 s | 2 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.055" (1.40mm) | - |
|
RGEF800-2PTC RESET FUSE 16V 8A RADIAL |
3,003 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Tape & Reel (TR) | Active | Polymeric | 16V | 8 A | 13.6 A | 100 A | 5 s | 5.6 mOhms | 17.5 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.480" L x 0.098" W (12.20mm x 2.50mm) | 0.823" (20.90mm) | - | 0.199" (5.05mm) |
|
MF-LR550PTC RESET FUSE 10V 5.5A STRAP |
2,156 | - |
|
Datasheet | Strap | Multifuse®, MF-LR | Bulk | Active | Polymeric | 10V | 5.5 A | 10.5 A | 100 A | 5 s | 9 mOhms | 22 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.417" L x 0.283" W (36.00mm x 7.20mm) | - | 0.039" (1.00mm) | - |
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|
FEMTOSMDC010F/15-2PTC RESET FUSE 15V 100MA 0603 |
3,500 | - |
|
Datasheet | 0603 (1608 Metric), Concave | PolySwitch®, femtoSMDC | Tape & Reel (TR) | Active | Polymeric | 15V | 100 mA | 300 mA | 40 A | 100 ms | 2 Ohms | 14 Ohms | - | - | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.033" (0.85mm) | - |
|
250S130-RBDRPTC RESET FUSE 60V 130MA 2SMD |
4,434 | - |
|
Datasheet | 2-SMD | POLY-FUSE®, 250S | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 130 mA | 260 mA | 3 A | 700 ms | 9 Ohms | 20 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.370" L x 0.291" W (9.40mm x 7.40mm) | - | 0.146" (3.70mm) | - |
|
2920L110/60MR-APTC RESET FUSE 60V 1.1A 2920 |
2,012 | - |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 60V | 1.1 A | 2.2 A | 20 A | 500 ms | 120 mOhms | 410 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.079" (2.00mm) | - |
|
60R110XUPTC RESET FUSE 60V 1.1A RADIAL |
13,781 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 60R | Bulk | Active | Polymeric | 60V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.512" Dia x 0.122" T (13.00mm x 3.10mm) | 0.717" (18.20mm) | - | 0.201" (5.10mm) |
|
PTSLR08056V110PTC RESET FUSE 6V 1.1A 0805 |
9,341 | - |
|
Datasheet | 0805 (2012 Metric), Concave | PTSLR0805 | Tape & Reel (TR) | Active | Polymeric | 6V | 1.1 A | 1.8 A | 50 A | 300 ms | 30 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.028" (0.70mm) | - |
|
16R500GPRPTC RESET FUSE 16V 5A RADIAL |
5,194 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 16R | Cut Tape (CT) | Active | Polymeric | 16V | 5 A | 8.5 A | 100 A | 2 s | 15 mOhms | 34 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" L x 0.118" W (10.40mm x 3.00mm) | 0.563" (14.30mm) | - | 0.201" (5.10mm) |
|
B59880C0130A070PTC RESET FUSE 265V 55MA RADIAL |
966 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 265V | 55 mA | 90 mA | 200 mA | - | - | - | 160 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.157" Dia x 0.197" T (4.00mm x 5.00mm) | 0.295" (7.50mm) | - | 0.197" (5.00mm) |
|
72R135XMRPTC RESET FUSE 72V 1.35A RADIAL |
895 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 72R | Cut Tape (CT) | Active | Polymeric | 72V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.535" Dia x 0.122" T (13.58mm x 3.10mm) | 0.780" (19.80mm) | - | 0.201" (5.10mm) |
|
|
MF-NSML260/12-2PTC RESET FUSE 12V 2.6A 1206 |
16,674 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 2.6 A | 5.2 A | 50 A | 5 s | 4 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.039" (1.00mm) | - |
|
MF-R600-2PTC RESET FUSE 30V 6A RADIAL |
884 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 30V | 6 A | 12 A | 40 A | 16 s | 5 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.760" L x 0.118" W (19.30mm x 3.00mm) | 1.256" (31.90mm) | - | 0.402" (10.20mm) |
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.
