PTC Resettable Fuses
Review PTC Resettable Fuses Circuit Protection components in this filtered selection. Compare manufacturer information, availability, pricing, datasheets and key specifications to narrow down suitable parts for your application.
If the exact part or specification you need is not listed, send the manufacturer part number, target parameters and quantity to JIEXIN Electronics for sourcing 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-R025-2-17PTC RESETTABLE 0.25A 60V RADIAL |
9,217 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 60V | 250 mA | 500 mA | 40 A | 2.5 s | 1 Ohms | 3 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | 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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MF-R110-0-17PTC RESETTABLE 1.1A 30V RADIAL L |
6,269 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 30V | 1.1 A | 2.2 A | 40 A | 6.6 s | 100 mOhms | 270 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.350" Dia x 0.118" T (8.90mm x 3.00mm) | 0.551" (14.00mm) | - | 0.201" (5.10mm) |
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MF-R030-2-17PTC RESETTABLE 0.3A 60V RADIAL L |
9,695 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 60V | 300 mA | 600 mA | 40 A | 3 s | 760 mOhms | 2.1 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.528" (13.40mm) | - | 0.201" (5.10mm) |
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MF-MSMF300X-2PTC RESETTABLE 3A 6V SMD 1812 |
3,668 |
|
Datasheet | 1812 (4532 Metric), Concave | Multifuse®, MF-MSMF | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3 A | 5 A | 100 A | 5 s | 10 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.063" (1.60mm) | - |
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MF-R010-2-17PTC RESETTABLE 0.1A 60V RADIAL L |
4,635 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 60V | 100 mA | 200 mA | 40 A | 4 s | 2.5 Ohms | 7.5 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | 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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MF-RX090/72-0PTC RESET FUSE 72V 900MA RADIAL |
5,053 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Bulk | Active | Polymeric | 72V | 900 mA | 1.8 A | 40 A | 7.2 s | 140 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.461" Dia x 0.122" T (11.70mm x 3.10mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
|
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MF-R025-AP-17PTC RESETTABLE 0.25A 60V RADIAL |
3,683 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Active | Polymeric | 60V | 250 mA | 500 mA | 40 A | 2.5 s | 1 Ohms | 3 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | 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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MF-RX040/72-APPTC RESET FUSE 72V 400MA RADIAL |
2,054 |
|
Datasheet | Radial, Disc | MF-RX/72 | Tape & Box (TB) | Active | - | 72V | 400 mA | 800 mA | 40 A | 3.9 s | - | - | - | - | - | - | - | Through Hole | 0.291" Dia x 0.122" W (7.40mm x 3.10mm) | - | - | 0.201" (5.10mm) |
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MF-RX065/72-APPTC RESET FUSE 72V 650MA RADIAL |
5,777 |
|
Datasheet | Radial, Disc | MF-RX/72 | Tape & Box (TB) | Active | - | 72V | 650 mA | 1.3 A | 40 A | 5.3 s | - | - | - | - | - | - | - | Through Hole | 0.382" Dia x 0.122" W (9.70mm x 3.10mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
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MF-RX075/72-APPTC RESET FUSE 72V 750MA RADIAL |
4,725 |
|
Datasheet | Radial, Disc | MF-RX/72 | Tape & Box (TB) | Active | - | 72V | 750 mA | 1.5 A | 40 A | 6.3 s | - | - | - | - | - | - | - | Through Hole | 0.409" Dia x 0.122" W (10.40mm x 3.10mm) | 0.630" (16.00mm) | - | 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.
