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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MF-S150PTC RESET FUSE 15V 1.5A STRAP |
2,000 |
|
Datasheet | Strap | Multifuse®, MF-S | Bulk | Active | Polymeric | 15V | 1.5 A | 3 A | 100 A | 5 s | 50 mOhms | 113 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.880" L x 0.417" W (22.35mm x 10.60mm) | - | 0.043" (1.10mm) | - |
|
72R040XPRPTC RESET FUSE 72V 400MA RADIAL |
1,407 |
|
Datasheet | Radial, Disc | POLY-FUSE®, 72R | Cut Tape (CT) | Active | Polymeric | 72V | 400 mA | 800 mA | 40 A | 3.8 s | 550 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.299" Dia x 0.122" T (7.60mm x 3.10mm) | 0.532" (13.50mm) | - | 0.201" (5.10mm) |
|
TCF250-180TPTC RESET FUSE 60V 180MA SMD |
2,488 |
|
Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bag | Active | Polymeric | 60V (250V Int) | 180 mA | 380 mA | 3 A | 3.4 s | 1.9 Ohms | 4.2 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.276" L x 0.276" W (7.00mm x 7.00mm) | - | 0.063" (1.60mm) | - |
|
PFRY.185PTC RESET FUSE 72V 1.85A RADIAL |
1,850 |
|
Datasheet | Radial, Disc | PFRY | Bulk | Active | Polymeric | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.598" L x 0.118" W (15.18mm x 3.00mm) | 0.835" (21.20mm) | - | 0.201" (5.10mm) |
|
MF-RX185/72-2-14FUSE PTC RESETTABLE |
11,337 |
|
Datasheet | Radial, Disc | MF-RX/72 | Tape & Reel (TR) | Active | - | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | - | - | - | - | - | - | - | Through Hole | 0.701" L x 0.122" W (17.80mm x 3.10mm) | 0.902" (22.90mm) | - | 0.201" (5.10mm) |
|
MF-NSMF025/24X-2FUSE RESET PPTC 1206 0.25A/24V |
7,867 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 24V | 250 mA | 500 mA | 80 A | 50 ms | 450 mOhms | 2.3 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.033" (0.85mm) | - |
|
|
MF-NSMF010/30X-2FUSE RESET PPTC 1206 0.10A/30V |
5,985 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 30V | 100 mA | 250 mA | 40 A | 1.5 s | 1.35 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.043" (1.10mm) | - |
|
|
MF-NSMF010/60X-2FUSE RESET PPTC 1206 0.10A/60V |
5,947 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 60V | 100 mA | 250 mA | 10 A | 1.5 s | 1.35 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.043" (1.10mm) | - |
|
|
MF-NSMF005/30X-2FUSE RESET PPTC 1206 0.05A/30V |
5,783 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 30V | 50 mA | 150 mA | 40 A | 1.5 s | 2.8 Ohms | 20 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.043" (1.10mm) | - |
|
|
MF-NSMF005/60X-2FUSE RESET PPTC 1206 0.05A/60V |
5,442 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 60V | 50 mA | 150 mA | 10 A | 1.5 s | 2.8 Ohms | 20 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.043" (1.10mm) | - |
|
|
MF-NSMF012/48X-2FUSE RESET PPTC 1206 0.12A/48V |
3,900 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 48V | 120 mA | 290 mA | 10 A | 200 ms | 1 Ohms | 6.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.043" (1.10mm) | - |
|
|
MF-NSMF035/30X-2FUSE RESET PPTC 1206 0.35A/30V |
3,549 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 30V | 350 mA | 750 mA | 60 A | 100 ms | 300 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.033" (0.85mm) | - |
|
|
TCF250-120T-RB-B-0.5PTC RESET FUSE 60V 120MA SMD |
2,210 |
|
Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bag | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 600 ms | 6.3 Ohms | 18 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.217" L x 0.217" W (5.50mm x 5.50mm) | - | 0.091" (2.30mm) | - |
|
|
MF-LSMF030X-2FUSE RESETTABLE 2920 0.3A 60V |
3,686 |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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MF-LSMF050X-2FUSE RESETTABLE 2920 0.5A 60V |
2,359 |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MF-R005-APPTC RESET FUSE 60V 50MA RADIAL |
16,000 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Cut Tape (CT) | Active | Polymeric | 60V | 50 mA | 100 mA | 40 A | 5 s | 7.3 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.315" Dia x 0.122" T (8.00mm x 3.10mm) | 0.327" (8.30mm) | - | 0.201" (5.10mm) |
|
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MF-NSMF075/8X-2FUSE RESET PPTC 1206 0.75A/8V |
7,697 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 8V | 750 mA | 1.5 A | 100 A | 100 ms | 90 mOhms | 350 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.047" (1.20mm) | - |
|
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TCF250-145-RB-B-0.5PTC RESET FUSE 60V 145MA SMD |
4,980 |
|
Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bag | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.217" L x 0.217" W (5.50mm x 5.50mm) | - | 0.091" (2.30mm) | - |
|
PTR060V0040-TRPTC RESET FUSE 60V 400MA RADIAL |
2,984 |
|
Datasheet | Radial, Disc | PTR060V | Tape & Reel (TR) | Active | Polymeric | 60V | 400 mA | 800 mA | 40 A | 3.8 s | 550 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.299" Dia x 0.118" T (7.60mm x 3.00mm) | 0.532" (13.50mm) | - | 0.197" (5.00mm) |
|
|
TCF250-120T-RA-B-0.5PTC RESET FUSE 60V 120MA SMD |
2,500 |
|
Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bag | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 600 ms | 6.3 Ohms | 18 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.217" L x 0.217" W (5.50mm x 5.50mm) | - | 0.091" (2.30mm) | - |
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.
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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.
