PTC Resettable Fuses
Browse available PTC Resettable Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| Photo | Mfr. Part # | Availability | Price | 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) |
PTC Resettable Fuses FAQ
Common questions about selecting, comparing and sourcing PTC Resettable Fuses components through Winsun (HK) Electronics.
What should I check when selecting PTC Resettable Fuses components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific PTC Resettable Fuses part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for PTC Resettable Fuses components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
