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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TRF250-110U-B-0.5-2PTC RESET FUSE 60V 110MA RADIAL |
1,340 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 110 mA | 220 mA | 3 A | 750 ms | 5 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.209" Dia x 0.150" T (5.30mm x 3.80mm) | 0.370" (9.40mm) | - | 0.197" (5.00mm) |
|
MF-NSML175/6-2PTC RESET FUSE 6V 1.75A 1206 |
4,980 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 1.75 A | 3.5 A | 50 A | 5 s | 6 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.028" (0.70mm) | - |
|
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MF-NSML450/6-2PTC RESET FUSE 6V 4.5A 1206 |
3,360 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 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) | - | 0.039" (1.00mm) | - |
|
MF-RM016/240-0PTC RESET FUSE 240V 160MA RADIAL |
2,955 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RM | Bulk | Active | Polymeric | 240V (265V Int) | 160 mA | 370 mA | 2 A | 15 s | 2.5 Ohms | 7.8 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.390" Dia x 0.150" T (9.90mm x 3.80mm) | 0.543" (13.80mm) | - | 0.114" (2.90mm) |
|
MF-RM033/240-0PTC RESET FUSE 240V 330MA RADIAL |
2,871 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RM | Bulk | Active | Polymeric | 240V (265V Int) | 330 mA | 740 mA | 4.5 A | 21 s | 770 mOhms | 2.6 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.150" W (11.40mm x 3.80mm) | 0.787" (20.00mm) | - | 0.114" (2.90mm) |
|
PTSLR12106V400PTC RESET FUSE 6V 4A 1210 |
4,500 | - |
|
Datasheet | 1210 (3225 Metric), Concave | PTSLR1210 | Tape & Reel (TR) | Active | Polymeric | 6V | 4 A | 8 A | 50 A | 2 s | 2 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
ASMD150F-2PTC RESET FUSE 16V 1.27A 2SMD |
4,398 | - |
|
Datasheet | 2-SMD | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 1.27 A | 2.95 A | 40 A | 25 s | 49 mOhms | 250 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.343" L x 0.250" W (8.70mm x 6.36mm) | - | 0.118" (3.00mm) | - |
|
MF-SM013/250V-0PTC RESET FUSE 60V 130MA 2SMD |
1,762 | - |
|
Datasheet | 2-SMD | Multifuse®, MF-SM/250V | Bulk | 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) | - |
|
MF-R250-0-14PTC RESETTABLE 2.5A 30V RADIAL L |
4,500 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
MF-R250-2-10PTC RESET FUSE 30V 2.5A RADIAL |
3,506 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Cut Tape (CT) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
MF-R250-APPTC RESET FUSE 30V 2.5A RADIAL |
2,940 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Cut Tape (CT) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
MF-SMHT136-2PTC RESET FUSE 16V 1.36A 2SMD |
2,573 | - |
|
Datasheet | 2-SMD | Multifuse®, MF-SMHT | Tape & Reel (TR) | Active | Polymeric | 16V | 1.36 A | 2.72 A | 100 A | 10 s | 85 mOhms | 330 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.314" L x 0.264" W (7.98mm x 6.71mm) | - | 0.118" (3.00mm) | - |
|
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PICOASMDC035S-2PPTC-MINI-PSW |
3,995 | - |
|
Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 750 mA | 100 A | 200 ms | 350 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.027" (0.68mm) | - |
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B59995C0120A051PTC RESET FUSE 30V 120MA RADIAL |
2,500 | - |
|
Datasheet | Radial, Disc | B59995 | Tape & Reel (TR) | Active | Ceramic | 30V | 120 mA | 240 mA | 700 mA | - | - | - | 13 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.157" Dia x 0.138" T (4.00mm x 3.50mm) | 0.295" (7.50mm) | - | 0.197" (5.00mm) |
|
NANOASMDC050F/13.2-2PTC RESET FUSE 13.2V 500MA 1206 |
2,440 | - |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®, nanoASMD | Bulk | Active | Polymeric | 13.2V | 500 mA | 1.1 A | 70 A | 100 ms | 200 mOhms | 750 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.59mm) | - | 0.029" (0.74mm) | - |
|
TRF250-120UAPTC RESET FUSE 60V 120MA RADIAL |
1,695 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 1 s | 6 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" L x 0.150" W (6.00mm x 3.80mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
MF-RM025/240-2PTC RESET FUSE 240V 250MA RADIAL |
11,535 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RM | Tape & Reel (TR) | Active | Polymeric | 240V (265V Int) | 250 mA | 560 mA | 3.5 A | 18.5 s | 1.3 Ohms | 3.8 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.394" L x 0.150" W (10.00mm x 3.80mm) | 0.787" (20.00mm) | - | 0.114" (2.90mm) |
|
|
PICOASMDC110S-2PPTC-MINI-PSW |
2,580 | - |
|
Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 1.1 A | 2.2 A | 40 A | 200 ms | 50 mOhms | 170 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.047" (1.20mm) | - |
|
PTSLR12066V600PTC RESET FUSE 6A 6V 1206 |
3,583 | - |
|
Datasheet | 1206 (3216 Metric), Concave | PTSLR1206 | Tape & Reel (TR) | Active | - | 6V | 6 A | 12 A | 50 A | 5 s | 1 mOhms | 10 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.138" L x 0.071" W (3.50mm x 1.80mm) | - | 0.039" (1.00mm) | - |
|
|
PTSLR12066V700PTC RESET FUSE 7A 6V 1206 |
3,439 | - |
|
Datasheet | 1206 (3216 Metric), Concave | PTSLR1206 | Tape & Reel (TR) | Active | - | 6V | 7 A | 14 A | 50 A | 5 s | 1 mOhms | 8 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.138" L x 0.071" W (3.50mm x 1.80mm) | - | 0.051" (1.30mm) | - |
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.
