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-R300-0-14PTC RESETTABLE 3.0A 30V RADIAL L |
3,235 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
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MF-RHT050-2-17PTC 0.5A 16V RADIAL LEADED HI-TE |
8,553 |
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Datasheet | Radial, Disc | Multifuse®, MF-RHT | Tape & Reel (TR) | Active | Polymeric | 30V | 500 mA | 920 mA | 40 A | 2.5 s | 480 mOhms | 1.1 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.201" (5.10mm) |
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MF-R250-2-14PTC RESETTABLE 2.5A 30V RADIAL L |
7,061 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
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MF-R250-AP-14PTC RESETTABLE 2.5A 30V RADIAL L |
7,647 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
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MF-RHT070-AP-17PTC 0.7A 16V RADIAL LEADED HI-TE |
7,052 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Tape & Box (TB) | Active | Polymeric | 30V | 700 mA | 1.4 A | 40 A | 4 s | 300 mOhms | 800 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.270" L x 0.118" W (6.86mm x 3.00mm) | 0.425" (10.80mm) | - | 0.201" (5.10mm) |
|
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MF-RHT050-AP-17PTC 0.5A 16V RADIAL LEADED HI-TE |
2,320 |
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Datasheet | Radial, Disc | Multifuse®, MF-RHT | Tape & Box (TB) | Active | Polymeric | 30V | 500 mA | 920 mA | 40 A | 2.5 s | 480 mOhms | 1.1 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.201" (5.10mm) |
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15LR260UPTC RESET FUSE 15V 2.6A STRAP |
4,444 |
|
Datasheet | Strap | POLY-FUSE®, LR | Bulk | Obsolete | Polymeric | 15V | 2.6 A | 5.8 A | 100 A | 5 s | 20 mOhms | 63 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.205" W (22.00mm x 5.20mm) | - | 0.039" (1.00mm) | - |
|
PTGL05BD102N9N51A0PTC RESET FUSE |
5,263 |
|
Datasheet | - | * | Tape & Box (TB) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PTSLR12066V380PTC RESET FUSE 6V 3.8A 1206 |
2,981 |
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Datasheet | 1206 (3216 Metric), Concave | PTSLR1206 | Tape & Reel (TR) | Active | Polymeric | 6V | 3.8 A | 8 A | 50 A | 5 s | 2 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.047" (1.20mm) | - |
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SMD1812P110TF/16APTC RESET FUSE 16V 1.1A 1812 |
5,117 |
|
Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, SMD1812 | Tape & Reel (TR) | Obsolete | Polymeric | 16V | 1.1 A | 1.95 A | 40 A | 500 ms | 60 mOhms | 180 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.039" (1.00mm) | - |
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PTSLR12106V380PTC RESET FUSE 6V 3.8A 1210 |
6,644 |
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Datasheet | 1210 (3225 Metric), Concave | PTSLR1210 | Tape & Reel (TR) | Active | Polymeric | 6V | 3.8 A | 8 A | 50 A | 2 s | 3 mOhms | 16 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
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PRG21BC2R2MS5RAPTC RESET FUSE |
7,867 |
|
Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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PRG21BC6R8MS5RAPTC RESET FUSE |
9,404 |
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Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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PRG21AR220MS5RAPTC RESET FUSE |
5,420 |
|
Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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PRG21AR100MS5RAPTC RESET FUSE |
4,887 |
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Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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PRG21AR150MS5RAPTC RESET FUSE |
6,176 |
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Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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PRG21AR8R2MS5RAPTC RESET FUSE |
6,220 |
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Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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PRG21BC3R3MS5RAPTC RESET FUSE |
2,574 |
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Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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RF5055-000PICOASMDC110S-2 |
8,209 |
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Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 1.1 A | 2.2 A | 40 A | 200 ms | 50 mOhms | 170 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.047" (1.20mm) | - |
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RF5054-000PICOASMDC075S-2 |
7,322 |
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Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 750 mA | 1.5 A | 40 A | 200 ms | 100 mOhms | 350 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.037" (0.93mm) | - |
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.
