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-SM100-2PTC RESET FUSE 30V 1.1A 2SMD |
7,849 |
|
Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 30V | 1.1 A | 2.2 A | 80 A | 500 ms | 120 mOhms | 480 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.287" L x 0.214" W (7.31mm x 5.44mm) | - | 0.118" (3.00mm) | - |
|
MF-SM050-2PTC RESET FUSE 60V 500MA 2SMD |
5,409 |
|
Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 60V | 500 mA | 1 A | 40 A | 4 s | 350 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.287" L x 0.214" W (7.31mm x 5.44mm) | - | 0.125" (3.18mm) | - |
|
MF-R020-2PTC RESET FUSE 60V 200MA RADIAL |
24,042 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 60V | 200 mA | 400 mA | 40 A | 2.2 s | 1.5 Ohms | 4.4 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) |
|
MF-R110PTC RESET FUSE 30V 1.1A RADIAL |
6,285 |
|
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 | - | - | - | Through Hole | 0.350" Dia x 0.118" T (8.90mm x 3.00mm) | 0.551" (14.00mm) | - | 0.201" (5.10mm) |
|
MF-R050PTC RESET FUSE 60V 500MA RADIAL |
2,449 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 60V | 500 mA | 1 A | 40 A | 4 s | 410 mOhms | 1.17 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.122" T (7.90mm x 3.10mm) | 0.539" (13.70mm) | - | 0.201" (5.10mm) |
|
|
MF-SM100/33-2PTC RESET FUSE 33V 1.1A 2SMD |
31,940 |
|
Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 33V | 1.1 A | 2.2 A | 40 A | 500 ms | 120 mOhms | 410 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.287" L x 0.214" W (7.31mm x 5.44mm) | - | 0.118" (3.00mm) | - |
|
MF-MSMF020/60-2PTC RESET FUSE 60V 200MA 1812 |
16,528 |
|
Datasheet | 1812 (4532 Metric), Concave | Multifuse®, MF-MSMF | Tape & Reel (TR) | Active | Polymeric | 60V | 200 mA | 400 mA | 40 A | 150 ms | 400 mOhms | 6 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.043" (1.10mm) | - |
|
|
MF-SM075/60-2PTC RESET FUSE 60V 750MA 2SMD |
11,450 |
|
Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 60V | 750 mA | 1.5 A | 10 A | 300 ms | 230 mOhms | 1 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.287" L x 0.214" W (7.31mm x 5.44mm) | - | 0.125" (3.18mm) | - |
|
MF-SM150/33-2PTC RESET FUSE 33V 1.5A 2SMD |
15,612 |
|
Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 33V | 1.5 A | 3 A | 40 A | 5 s | 60 mOhms | 230 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) | - |
|
MF-FSMF050X-2PTC RESET FUSE 6V 500MA 0603 |
47,024 |
|
Datasheet | 0603 (1608 Metric), Concave | Multifuse®, MF-FSMF | Tape & Reel (TR) | Active | Polymeric | 6V | 500 mA | 1 A | 40 A | 100 ms | 100 mOhms | 800 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.039" (1.00mm) | - |
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.
