PTC Resettable Fuses
Explore PTC Resettable Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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) | - |
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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) | - |
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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) | - |
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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) | - |
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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) |
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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) |
Frequently Asked Questions
What are PTC Resettable Fuses components used for?
PTC Resettable Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right PTC Resettable Fuses part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
