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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SMD1812B050TF/30PTC RESET FUSE 30V 500MA 1812 |
1,517 | - |
|
Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 30V | 500 mA | 1 A | 100 A | 150 ms | 150 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.083" (2.10mm) | - |
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SMD0805B075TFPTC RESET FUSE 6V 750MA 0805 |
500 | - |
|
Datasheet | 0805 (2012 Metric), Concave | SMD0805 | Tape & Reel (TR) | Active | Polymeric | 6V | 750 mA | 1.5 A | 40 A | 200 ms | 90 mOhms | 350 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.049" (1.25mm) | - |
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SMD1812B075TF/33PTC RESET FUSE 33V 750MA 1812 |
1,979 | - |
|
Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 33V | 750 mA | 1.5 A | 20 A | 200 ms | 100 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |
|
MF-MSMF160-2PTC RESET FUSE 8V 1.6A 1812 |
909 | - |
|
Datasheet | 1812 (4532 Metric), Concave | Multifuse®, MF-MSMF | Tape & Reel (TR) | Active | Polymeric | 8V | 1.6 A | 2.8 A | 100 A | 2 s | 35 mOhms | 99 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.033" (0.85mm) | - |
|
SMD0603B020TFPTC RESET FUSE 9V 200MA 0603 |
463 | - |
|
Datasheet | 0603 (1608 Metric), Concave | SMD0603 | Tape & Reel (TR) | Active | Polymeric | 9V | 200 mA | 500 mA | 40 A | 60 ms | 550 mOhms | 3.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.031" W (1.60mm x 0.80mm) | - | 0.039" (0.98mm) | - |
|
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SMD1812B110TF/33PTC RESET FUSE 33V 1.1A 1812 |
225 | - |
|
Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 33V | 1.1 A | 1.95 A | 20 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) | - | 0.079" (2.00mm) | - |
|
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MF-MSMF150/12-2PTC RESET FUSE 12V 1.5A 1812 |
310 | - |
|
Datasheet | 1812 (4532 Metric), Concave | Multifuse®, MF-MSMF | Tape & Reel (TR) | Active | Polymeric | 12V | 1.5 A | 3 A | - | - | 30 mOhms | 120 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.033" (0.85mm) | - |
|
MF-MSMF075/33X-2PTC RESETTABL 0.75A 33V SMD 1812 |
176 | - |
|
Datasheet | 1812 (4532 Metric), Concave | Multifuse®, MF-MSMF | Tape & Reel (TR) | Active | Polymeric | 33V | 800 mA | 1.5 A | 20 A | 200 ms | 110 mOhms | 400 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.063" (1.60mm) | - |
|
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SMD1812B300TFTPTC RESET FUSE 6V 3A 1812 |
449 | - |
|
Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 6V | 3 A | 5 A | 100 A | 4 s | 12 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.063" (1.60mm) | - |
|
PTS181233V075PTC RESET FUSE 33V 750MA 1812 |
466 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PTS1812 | Tape & Reel (TR) | Active | Polymeric | 33V | 750 mA | 1.5 A | 20 A | 200 ms | 110 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.047" (1.20mm) | - |
|
PFMF.014.2PTC RESET FUSE 60V 140MA 1812 |
106 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PFMF | Tape & Reel (TR) | Active | Polymeric | 60V | 140 mA | 340 mA | 40 A | 150 ms | 400 mOhms | 6.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.043" (1.10mm) | - |
|
SMD2016B050TFPTC RESET FUSE 60V 550MA 2016 |
1,355 | - |
|
Datasheet | 2016 (5041 Metric), Concave | SMD2016 | Tape & Reel (TR) | Active | Polymeric | 60V | 550 mA | 1.1 A | 20 A | 5 s | 200 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.160" W (5.08mm x 4.07mm) | - | 0.079" (2.00mm) | - |
|
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PTS18126V300PTC RESET FUSE 6V 3A 1812 |
992 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PTS1812 | Tape & Reel (TR) | Active | Polymeric | 6V | 3 A | 5 A | 100 A | 4 s | 12 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.047" (1.20mm) | - |
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MF-R010PTC RESET FUSE 60V 100MA RADIAL |
239 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | 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 0.122" T (7.40mm x 3.10mm) | 0.500" (12.70mm) | - | 0.201" (5.10mm) |
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BK250-600-SZPTC RESET FUSE 250V 600MA RAD |
204 | - |
|
Datasheet | Radial, Disc | BK250 | Bulk | Active | Polymeric | 250V | 600 mA | 1.2 A | 10 A | 8 s | 600 mOhms | 2 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.630" L x 0.181" W (16.00mm x 4.60mm) | 0.709" (18.00mm) | - | 0.201" (5.10mm) |
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PTR016V0500-BKPTC RESET FUSE 16V 5A RADIAL |
376 | - |
|
Datasheet | Radial, Disc | PTR016V | Bulk | Active | Polymeric | 16V | 5 A | 8.5 A | 100 A | 2 s | 10 mOhms | 34 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" L x 0.122" W (10.40mm x 3.10mm) | 0.563" (14.30mm) | - | 0.197" (5.00mm) |
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MICROSMD110F-2PTC RESET FUSE 6V 1.1A 1210 |
243 | - |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Active | Polymeric | 6V | 1.1 A | 2.2 A | 40 A | 200 ms | 70 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.019" (0.48mm) | - |
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0ZRG0120FF1EPTC RESET FUSE 30V 1.2A RADIAL |
397 | - |
|
Datasheet | Radial, Disc | 0ZRG | Bulk | Active | Polymeric | 30V | 1.2 A | 2 A | 40 A | 700 ms | 40 mOhms | 140 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.272" Dia x 0.118" T (6.90mm x 3.00mm) | 0.461" (11.70mm) | - | 0.201" (5.10mm) |
|
MF-RX160/72-0PTC RESET FUSE 72V 1.6A RADIAL |
2,706 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Bulk | Active | Polymeric | 72V | 1.6 A | 3.2 A | 40 A | 11.4 s | 90 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.642" L x 0.122" W (16.30mm x 3.10mm) | 0.839" (21.30mm) | - | 0.201" (5.10mm) |
|
0ZRE0012FF2CPTC RESET FUSE 240V 120MA RADIAL |
192 | - |
|
Datasheet | Radial, Disc | 0ZRE | Tape & Reel (TR) | Active | Polymeric | 240V | 120 mA | 300 mA | 2 A | 15 s | 3 Ohms | 12 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.327" L x 0.150" W (8.30mm x 3.80mm) | 0.421" (10.70mm) | - | 0.201" (5.10mm) |
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.
