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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RLD60P300XFFPTC RESET FUSE 60V 3A RADIAL |
3,965 |
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Datasheet | Radial, Disc | POLY-FUSE®, RLD60 | Tape & Box (TB) | Obsolete | Polymeric | 60V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.980" Dia x 0.122" T (24.90mm x 3.10mm) | 1.181" (30.00mm) | - | 0.402" (10.20mm) |
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RLD60P375XFFPTC RESET FUSE 60V 3.75A RADIAL |
2,005 |
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Datasheet | Radial, Disc | POLY-FUSE®, RLD60 | Tape & Box (TB) | Obsolete | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.118" Dia x 0.122" T (28.40mm x 3.10mm) | 1.319" (33.50mm) | - | 0.402" (10.20mm) |
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PTGL04AS100K2B51B0PTC RESET FUSE 30V 212MA RADIAL |
4,127 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 212 mA | 282 mA | 2 A | - | - | - | 10 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.177" Dia x 0.138" T (4.50mm x 3.50mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
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PTGL05AS3R9K2B51B0PTC RESET FUSE 30V 340MA RADIAL |
4,623 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 340 mA | 452 mA | 3.5 A | - | - | - | 3.9 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.217" Dia x 0.138" T (5.50mm x 3.50mm) | 0.413" (10.50mm) | - | 0.197" (5.00mm) |
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PTGL07AS2R7K2B51B0PTC RESET FUSE 30V 425MA RADIAL |
8,735 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 425 mA | 565 mA | 4.5 A | - | - | - | 2.7 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.287" Dia x 0.138" T (7.30mm x 3.50mm) | 0.484" (12.30mm) | - | 0.197" (5.00mm) |
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PTGL07AS1R8K2B51B0PTC RESET FUSE 30V 532MA RADIAL |
3,805 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 532 mA | 708 mA | 5 A | - | - | - | 1.8 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.287" Dia x 0.138" T (7.30mm x 3.50mm) | 0.484" (12.30mm) | - | 0.197" (5.00mm) |
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PTGL09AS1R2K2B51B0PTC RESET FUSE 30V 704MA RADIAL |
6,821 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 704 mA | 936 mA | 6 A | - | - | - | 1.2 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.366" Dia x 0.138" T (9.30mm x 3.50mm) | 0.563" (14.30mm) | - | 0.197" (5.00mm) |
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PTGL04AS100K3B51B0PTC RESET FUSE 51V 213MA RADIAL |
4,691 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 51V | 213 mA | 283 mA | 1 A | - | - | - | 10 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.177" Dia x 0.138" T (4.50mm x 3.50mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
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PTGL05AS6R8K3B51B0PTC RESET FUSE 51V 249MA RADIAL |
8,992 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 51V | 249 mA | 331 mA | 1.5 A | - | - | - | 6.8 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.217" Dia x 0.138" T (5.50mm x 3.50mm) | 0.413" (10.50mm) | - | 0.197" (5.00mm) |
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PTGL09AS2R2K3B51B0PTC RESET FUSE 51V 522MA RADIAL |
4,886 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 51V | 522 mA | 694 mA | 4 A | - | - | - | 2.2 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.366" Dia x 0.138" T (9.30mm x 3.50mm) | 0.563" (14.30mm) | - | 0.197" (5.00mm) |
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PTGL04AS220K4N51B0PTC RESET FUSE 60V 112MA RADIAL |
3,455 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 112 mA | 149 mA | 1 A | - | - | - | 22 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.177" Dia x 0.138" T (4.50mm x 3.50mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
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PTGL04AS220K4B51B0PTC RESET FUSE 60V 145MA RADIAL |
8,617 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 145 mA | 193 mA | 1 A | - | - | - | 22 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.177" Dia x 0.138" T (4.50mm x 3.50mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
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PTGL05AS100K4B51B0PTC RESET FUSE 60V 215MA RADIAL |
6,720 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | 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) | 0.413" (10.50mm) | - | 0.197" (5.00mm) |
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PTGL07AS5R6K4B51B0PTC RESET FUSE 60V 290MA RADIAL |
5,751 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 290 mA | 386 mA | 3 A | - | - | - | 5.6 Ohms | -20°C ~ 80°C | - | - | - | Through Hole | 0.287" Dia x 0.138" T (7.30mm x 3.50mm) | 0.484" (12.30mm) | - | 0.197" (5.00mm) |
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PTGL09AS3R3K4B51B0PTC RESET FUSE 60V 421MA RADIAL |
6,595 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 421 mA | 560 mA | 4 A | - | - | - | 3.3 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.366" Dia x 0.138" T (9.30mm x 3.50mm) | 0.563" (14.30mm) | - | 0.197" (5.00mm) |
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PTGL12AS2R2K4B51B0PTC RESET FUSE 60V 556MA RADIAL |
5,725 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 556 mA | 739 mA | 5 A | - | - | - | 2.2 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.453" Dia x 0.138" T (11.50mm x 3.50mm) | 0.650" (16.50mm) | - | 0.197" (5.00mm) |
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PTGL04AS560K6B51B0PTC RESET FUSE 140V 94MA RADIAL |
6,837 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 94 mA | 125 mA | 500 mA | - | - | - | 56 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.177" Dia x 0.177" T (4.50mm x 4.50mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
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PTGL05AS270K6B51B0PTC RESET FUSE 140V 134MA RADIAL |
7,012 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 134 mA | 178 mA | 1 A | - | - | - | 27 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.217" Dia x 0.177" T (5.50mm x 4.50mm) | 0.413" (10.50mm) | - | 0.197" (5.00mm) |
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PTGL07AS150K6B51B0PTC RESET FUSE 140V 187MA RADIAL |
4,548 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 187 mA | 249 mA | 1.5 A | - | - | - | 15 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.287" Dia x 0.177" T (7.30mm x 4.50mm) | 0.484" (12.30mm) | - | 0.197" (5.00mm) |
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PTGL09AS7R6K6B51B0PTC RESET FUSE 140V 287MA RADIAL |
7,704 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 287 mA | 382 mA | 2.2 A | - | - | - | 7.6 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.366" Dia x 0.138" T (9.30mm x 3.50mm) | 0.563" (14.30mm) | - | 0.197" (5.00mm) |
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.
