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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RUEF250-1PTC RESET FUSE 30V 2.5A RADIAL |
8,344 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bulk | Obsolete | Polymeric | 30V | 2.5 A | 5 A | 100 A | 10.3 s | 20 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.720" (18.30mm) | - | 0.199" (5.05mm) |
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15ST175UPTC RESET FUSE 15V 1.75A STRAP |
2,908 |
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Datasheet | Strap | POLY-FUSE®, ST | Bulk | Obsolete | Polymeric | 15V | 1.75 A | 3.8 A | 100 A | 5 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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PFRA.090.2.009PTC RESET FUSE 30V 900MA RADIAL |
3,507 |
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Datasheet | Radial, Disc | PFRA | Tape & Reel (TR) | Obsolete | Polymeric | 30V | 900 mA | 1.8 A | 40 A | 5.9 s | 70 mOhms | 220 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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VLP120UFPTC RESET FUSE 16V 1.2A STRAP |
6,813 |
|
Datasheet | Strap | PolySwitch®, VLP | Bulk | Obsolete | Polymeric | 16V | 1.2 A | 3.6 A | 60 A | 5 s | 39 mOhms | 134 mOhms | - | - | - | - | - | User Defined | - | 0.028" (0.70mm) | - | - |
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MF-R025-APPTC RESET FUSE 60V 250MA RADIAL |
5,546 |
|
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 | - | - | - | 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-R010-AP-17PTC RESETTABLE 0.1A 60V RADIAL L |
5,291 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | 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-R005-2-14PTC RESETTABLE 0.05A 60V RADIAL |
7,817 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 60V | 50 mA | 100 mA | 40 A | 5 s | 7.3 Ohms | 22 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | 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-R025-0-17PTC RESETTABLE 0.25A 60V RADIAL |
5,214 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | 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-R017-AP-17PTC RESETTABLE 0.17A 60V RADIAL |
8,618 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Active | Polymeric | 60V | 170 mA | 340 mA | 40 A | 3 s | 2 Ohms | 8 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-R020-0-17PTC RESETTABLE 0.2A 60V RADIAL L |
9,448 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 60V | 200 mA | 400 mA | 40 A | 2.2 s | 1.5 Ohms | 4.4 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-R030-0-17PTC RESETTABLE 0.3A 60V RADIAL L |
3,387 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | 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-R017-2-17PTC RESETTABLE 0.17A 60V RADIAL |
2,590 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 60V | 170 mA | 340 mA | 40 A | 3 s | 2 Ohms | 8 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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RF5029-000NANOASMDCH010F-2 |
8,791 |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®nanoASMDCH | Bulk | Active | Polymeric | 30V | 100 mA | 300 mA | 20 A | 5 s | 1 Ohms | 7.5 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.59mm) | - | 0.033" (0.85mm) | - |
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TCF250-145PTC RESET FUSE 60V 145MA SMD |
2,185 |
|
Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bulk | 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) | - |
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PTGL05AS100K4B51A0PTC RESET FUSE 60V 215MA RADIAL |
6,552 |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Tape & Box (TB) | Obsolete | Ceramic | 60V | 215 mA | 286 mA | 1.5 A | - | - | - | 10 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.217" Dia x 0.138" T (5.50mm x 3.50mm) | 0.630" (16.00mm) | - | 0.197" (5.00mm) |
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SMD1210P050TFAPTC RESET FUSE 13.2V 500MA 1210 |
8,207 |
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Datasheet | 1210 (3225 Metric), Concave | POLY-FUSE®, SMD1210 | Tape & Reel (TR) | Obsolete | Polymeric | 13.2V | 500 mA | 1 A | 40 A | 100 ms | 250 mOhms | 900 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.027" (0.68mm) | - |
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SMD1210P075TFAPTC RESET FUSE 6V 750MA 1210 |
3,380 |
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Datasheet | 1210 (3225 Metric), Concave | POLY-FUSE®, SMD1210 | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 750 mA | 1.5 A | 40 A | 100 ms | 130 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.027" (0.68mm) | - |
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SRP200PTC RESET FUSE 30V 2A STRAP |
6,277 |
|
Datasheet | Strap | PolySwitch®, SRP | Bulk | Obsolete | Polymeric | 30V | 2 A | 4.4 A | 100 A | 4 s | 30 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.880" L x 0.417" W (22.35mm x 10.60mm) | - | 0.043" (1.10mm) | - |
|
SRP120PTC RESET FUSE 15V 1.2A STRAP |
3,246 |
|
Datasheet | Strap | PolySwitch®, SRP | Bulk | Obsolete | Polymeric | 15V | 1.2 A | 2.7 A | 100 A | 5 s | 85 mOhms | 220 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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SRP175PTC RESET FUSE 15V 1.75A STRAP |
3,399 |
|
Datasheet | Strap | PolySwitch®, SRP | Bulk | Obsolete | Polymeric | 15V | 1.75 A | 3.8 A | 100 A | 5 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) | - |
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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