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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PTSLR12106V450PTC RESET FUSE 6V 4.5A 1210 |
5,447 | - |
|
Datasheet | 1210 (3225 Metric), Concave | PTSLR1210 | 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 | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
PFSM.250.2PTC RESET FUSE 15V 2.5A 2SMD |
4,490 | - |
|
Datasheet | 2-SMD | PFSM | Tape & Reel (TR) | Active | Polymeric | 15V | 2.5 A | 5 A | 100 A | 25 s | 24 mOhms | 85 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.344" L x 0.264" W (8.75mm x 6.71mm) | - | 0.118" (3.00mm) | - |
|
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PFSM.150.2PTC RESET FUSE 15V 1.5A 2SMD |
1,500 | - |
|
Datasheet | 2-SMD | PFSM | Tape & Reel (TR) | Active | Polymeric | 15V | 1.5 A | 3 A | 100 A | 5 s | 60 mOhms | 250 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.344" L x 0.264" W (8.75mm x 6.71mm) | - | 0.118" (3.00mm) | - |
|
MINIASMDC150F/12-2PTC RESET FUSE 12V 1.5A 1812 |
3,991 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniASMD | Tape & Reel (TR) | Active | Polymeric | 12V | 1.5 A | 2.8 A | 100 A | 500 ms | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.019" (0.48mm) | - |
|
PTR060V0025-TRPTC RESET FUSE 60V 250MA RADIAL |
3,000 | - |
|
Datasheet | Radial, Disc | PTR060V | Tape & Reel (TR) | Active | Polymeric | 60V | 250 mA | 500 mA | 40 A | 2.5 s | 1.25 Ohms | 3 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.197" (5.00mm) |
|
1812L125/6PRPTC RESET FUSE 6V 1.25A 1812 |
1,735 | - |
|
Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 6V | 1.25 A | 2.5 A | 100 A | 400 ms | 50 mOhms | 140 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.030" (0.75mm) | - |
|
MF-RX018/250-2PTC RESET FUSE 60V 180MA RADIAL |
3,000 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 180 mA | - | 10 A | - | 800 mOhms | 4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.433" L x 0.181" W (11.00mm x 4.60mm) | 0.535" (13.60mm) | - | 0.201" (5.10mm) |
|
|
MF-R300-2-14PTC RESET FUSE 30V 3A RADIAL |
2,500 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 20 mOhms | 80 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) |
|
AHRF200-2PTC RESET FUSE 16V 2A RADIAL |
2,493 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Tape & Reel (TR) | Active | Polymeric | 16V | 2 A | 3.8 A | 100 A | 4.8 s | 39 mOhms | 110 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.370" Dia x 0.118" T (9.40mm x 3.00mm) | 0.567" (14.40mm) | - | 0.200" (5.08mm) |
|
RUEF300U-2PTC RESET FUSE 30V 3A RADIAL |
2,000 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Tape & Reel (TR) | Active | Polymeric | 30V | 3 A | 6 A | 100 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.650" (16.50mm) | - | 0.199" (5.05mm) |
|
MF-R017-APPTC RESET FUSE 60V 170MA RADIAL |
7,285 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Cut Tape (CT) | Active | Polymeric | 60V | 170 mA | 340 mA | 40 A | 3 s | 2 Ohms | 8 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.500" (12.70mm) | - | 0.201" (5.10mm) |
|
RGEF400-APPTC RESET FUSE 16V 4A RADIAL |
1,103 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Cut Tape (CT) | Active | Polymeric | 16V | 4 A | 6.8 A | 100 A | 1.7 s | 21 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.331" L x 0.098" W (8.40mm x 2.50mm) | 0.504" (12.80mm) | - | 0.199" (5.05mm) |
|
MF-RX012/250-0PTC RESET FUSE 60V 120MA RADIAL |
3,480 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/250 | Bulk | Active | Polymeric | 60V (250V Int) | 120 mA | - | 3 A | - | 4 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.201" (5.10mm) |
|
0ZSA0175FF1EPTC RESET FUSE 15V 1.75A STRAP |
3,115 | - |
|
Datasheet | Strap | 0ZSA | Bulk | Active | Polymeric | 15V | 1.75 A | 3.8 A | 100 A | 5 s | 50 mOhms | 120 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.199" W (22.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
|
0ZSA0120FF1EPTC RESET FUSE 15V 1.2A STRAP |
2,533 | - |
|
Datasheet | Strap | 0ZSA | Bulk | Active | Polymeric | 15V | 1.2 A | 2.7 A | 100 A | 5 s | 85 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.827" L x 0.199" W (21.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
|
AGRF700-2PTC RESET FUSE 16V 7A RADIAL |
1,448 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AGRF | Tape & Reel (TR) | Active | Polymeric | 16V | 7 A | 13.2 A | 100 A | 4 s | 6.6 mOhms | 20 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.827" (21.00mm) | - | 0.199" (5.05mm) |
|
RHEF1100PTC RESET FUSE 16V 11A RADIAL |
3,250 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RHEF | Bag | Active | Polymeric | 16V | 11 A | 20 A | 100 A | 11 s | 5.5 mOhms | 13 mOhms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.827" L x 0.118" W (21.00mm x 3.00mm) | 1.028" (26.10mm) | - | 0.400" (10.15mm) |
|
MF-R030-APPTC RESET FUSE 60V 300MA RADIAL |
11,870 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Cut Tape (CT) | Active | Polymeric | 60V | 300 mA | 600 mA | 40 A | 3 s | 760 mOhms | 2.1 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.528" (13.40mm) | - | 0.201" (5.10mm) |
|
|
PTR060V0010-TRPTC RESET FUSE 60V 100MA RADIAL |
2,990 | - |
|
Datasheet | Radial, Disc | PTR060V | Tape & Reel (TR) | Active | Polymeric | 60V | 100 mA | 200 mA | 40 A | 4 s | 2.5 Ohms | 7.5 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.197" (5.00mm) |
|
SMD150F-2018-2PTC RESET FUSE 15V 1.5A 2SMD |
8,180 | - |
|
Datasheet | 2-SMD | PolySwitch®, SMD | Tape & Reel (TR) | Active | Polymeric | 15V | 1.5 A | 3 A | 40 A | 5 s | 60 mOhms | - | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.180" W (5.08mm x 4.58mm) | - | 0.060" (1.52mm) | - |
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.
