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-VS210SS-0PTC RESET FUSE 16V 2.1A STRAP |
2,826 |
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Datasheet | Strap | Multifuse®, MF-VS | Bulk | Obsolete | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.205" W (22.00mm x 5.20mm) | - | 0.035" (0.90mm) | - |
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MF-S175SPTC RESET FUSE 15V 1.75A STRAP |
8,724 |
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Datasheet | Strap | Multifuse®, MF-S | Bulk | Obsolete | Polymeric | 15V | 1.75 A | 3.8 A | 100 A | 4 s | 50 mOhms | 120 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.827" L x 0.199" W (21.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
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MF-S175SS-0PTC RESET FUSE 15V 1.75A STRAP |
9,143 |
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Datasheet | Strap | Multifuse®, MF-S | Bulk | Obsolete | Polymeric | 15V | 1.75 A | 3.8 A | 100 A | 4 s | 50 mOhms | 120 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.199" W (22.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
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MF-S200SPTC RESET FUSE 30V 2A STRAP |
9,542 |
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Datasheet | Strap | Multifuse®, MF-S | Bulk | Obsolete | Polymeric | 30V | 2 A | 4.4 A | 100 A | 4 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.880" L x 0.417" W (22.35mm x 10.60mm) | - | 0.043" (1.10mm) | - |
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MF-S350SPTC RESET FUSE 30V 3.5A STRAP |
2,282 |
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Datasheet | Strap | Multifuse®, MF-S | Bulk | Obsolete | Polymeric | 30V | 3.5 A | 6.3 A | 100 A | 3 s | 17 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.185" L x 0.522" W (30.10mm x 13.25mm) | - | 0.043" (1.10mm) | - |
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MF-S420SPTC RESET FUSE 30V 4.2A STRAP |
4,783 |
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Datasheet | Strap | Multifuse®, MF-S | Bulk | Obsolete | Polymeric | 30V | 4.2 A | 7.6 A | 100 A | 6 s | 12 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.240" L x 0.522" W (31.50mm x 13.25mm) | - | 0.043" (1.10mm) | - |
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MF-LR190SPTC RESET FUSE 15V 1.9A STRAP |
7,071 |
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Datasheet | Strap | Multifuse®, MF-LR | Bulk | Obsolete | Polymeric | 15V | 1.9 A | 3.9 A | 100 A | 5 s | 39 mOhms | 102 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.827" L x 0.199" W (21.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
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MF-LR260SPTC RESET FUSE 15V 2.6A STRAP |
3,007 |
|
Datasheet | Strap | Multifuse®, MF-LR | Bulk | Obsolete | Polymeric | 15V | 2.6 A | 5.8 A | 100 A | 5 s | 20 mOhms | 83 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.199" W (22.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
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MF-LR600SPTC RESET FUSE 10V 6A STRAP |
7,822 |
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Datasheet | Strap | Multifuse®, MF-LR | Bulk | Obsolete | Polymeric | 10V | 6 A | 11.7 A | 100 A | 5 s | 7 mOhms | 19 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.587" W (25.00mm x 14.90mm) | - | 0.039" (1.00mm) | - |
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MXP370BDPTC RESET FUSE 6V 3.7A STRAP |
4,087 |
|
Datasheet | Strap | PolySwitch®, MXP | Bag | Obsolete | Polymeric | 6V | 3.7 A | 9 A | 50 A | 5 s | 4 mOhms | 16 mOhms | - | - | - | - | - | User Defined | 0.429" L x 0.122" W (10.90mm x 3.11mm) | - | 0.043" (1.10mm) | - |
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FEMTOSMDC005F-02POLYSWITCH RESET FUSE 0.05A SMD |
2,973 |
|
Datasheet | 0603 (1608 Metric), Concave | PolySwitch® | Tape & Reel (TR) | Active | Polymeric | 15V | 50 mA | 150 mA | 40 A | 100 ms | 3.8 Ohms | - | - | - | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.026" (0.65mm) | - |
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FEMTOSMDC008F-02PTC RESET FUSE 15V 50MA 0603 |
8,605 |
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Datasheet | 0603 (1608 Metric), Concave | PolySwitch®, femtoSMD | Tape & Reel (TR) | Active | Polymeric | 15V | 50 mA | 150 mA | 40 A | 100 ms | 3.8 Ohms | - | - | - | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.033" (0.85mm) | - |
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FEMTOSMDC010F-02PTC RESET FUSE 12V 100MA 0603 |
8,105 |
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Datasheet | 0603 (1608 Metric), Concave | PolySwitch®, femtoSMD | Tape & Reel (TR) | Active | Polymeric | 12V | 100 mA | 250 mA | 40 A | 100 ms | 1.7 Ohms | 8 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.033" (0.85mm) | - |
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TRF250-145ST-B-0.5PTC RESET FUSE 60V 145MA RADIAL |
4,709 |
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Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.197" (5.00mm) |
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TRF600-150-RCPTC RESET FUSE 250V 150MA RADIAL |
5,231 |
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Datasheet | Radial, Disc | PolySwitch®, TRF600 | Bag | Active | Polymeric | 250V (600V Int) | 150 mA | 300 mA | 40 A | 3 s | 9 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.354" L x 0.181" W (9.00mm x 4.60mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
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B59980C0160A070PTC RESET FUSE 54V RADIAL DISC |
2,029 |
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Datasheet | Radial, Disc | B59980 | Bulk | Obsolete | Ceramic | 54V | - | - | 1 A | - | 16.5 Ohms | 25 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.256" Dia x 0.138" T (6.50mm x 3.50mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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1206L110/12WRPTC RESET FUSE 12V 1.1A 1206 |
8,451 |
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Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 12V | 1.1 A | 2.2 A | 100 A | 100 ms | 40 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.030" (0.75mm) | - |
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1812L750SLPRPTC RESET FUSE 6V 7.5A 1812 |
2,169 |
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Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 7.5 A | 15 A | 50 A | 2 s | 1 mOhms | 6 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.028" (0.70mm) | - |
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YQD100N150PTC RESET FUSE 265V RADIAL DISC |
7,491 |
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Datasheet | Radial, Disc | YQ | Bulk | Active | Ceramic | 265V | - | - | - | - | - | - | - | 0°C ~ 60°C | - | - | - | Through Hole | 0.256" Dia x 0.197" T (6.50mm x 5.00mm) | - | - | 0.201" (5.10mm) |
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YQZ120N120PTC RESET FUSE 18V RADIAL DISC |
4,951 |
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Datasheet | Radial, Disc | YQ | Bulk | Active | Ceramic | 18V | - | - | - | - | - | - | - | 0°C ~ 60°C | - | - | - | Through Hole | - | - | - | - |
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.
