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0755-82798135PTC Resettable Fuses
PTC Resettable Fuses
PTC Resettable Fuses are circuit protection components used to protect electronic systems from overcurrent, short-circuit and fault conditions. Unlike one-time fuses, PTC resettable fuses increase resistance during a fault and can return to a low-resistance state after the fault is removed and the device cools down.
This category includes polymer PTC resettable fuses, PPTC fuses, radial leaded PTC fuses, surface-mount PTC fuses and related overcurrent protection components. These devices are commonly selected based on hold current, trip current, rated voltage, resistance, response time, package type, operating temperature and application requirements.
TomatoElec supplies original PTC Resettable Fuses from recognized manufacturers such as Littelfuse, Bourns, Eaton, Bel Fuse, TE Connectivity, Murata, TDK, Panasonic and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| 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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B59975C160A51PTC RESET FUSE 20V 550MA RADIAL |
2,292 | - |
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Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 20V | 550 mA | 1.1 A | 3 A | - | - | - | 1.8 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.354" Dia x 0.138" T (9.00mm x 3.50mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
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B59975C0160A054PTC RESET FUSE 20V 550MA RADIAL |
2,235 | - |
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Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 20V | 550 mA | 1.1 A | 3 A | - | - | - | 1.8 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.354" Dia x 0.138" T (9.00mm x 3.50mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
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B59985C0160A051PTC RESET FUSE 20V 300MA RADIAL |
2,300 | - |
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Datasheet |
Radial, Disc | B59985 | Tape & Reel (TR) | Obsolete | Ceramic | 20V | 300 mA | 600 mA | 1 A | - | - | - | 4.6 Ohms | -40°C ~ 85°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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B59990C0120A050PTC RESET FUSE 80V 50MA RADIAL |
2,797 | - |
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Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 80V | 50 mA | 100 mA | 700 mA | - | - | - | 55 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.157" Dia x 0.138" T (4.00mm x 3.50mm) | 0.295" (7.50mm) | - | 0.197" (5.00mm) |
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B59965C0120A054PTC RESET FUSE 30V 600MA RADIAL |
5,083 | - |
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Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 30V | 600 mA | 1.2 A | 4.3 A | - | - | - | 1.2 Ohms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.433" Dia x 0.138" T (11.00mm x 3.50mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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B59870C130A51PTC RESET FUSE 265V 100MA RADIAL |
7,027 | - |
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Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Active | Ceramic | 265V | 100 mA | 150 mA | 400 mA | - | - | - | 50 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.256" Dia x 0.197" T (6.50mm x 5.00mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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B59890C80A51PTC RESET FUSE 265V 15MA RADIAL |
9,885 | - |
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- |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 15 mA | 40 mA | 200 mA | - | - | - | 150 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.157" Dia x 0.197" T (4.00mm x 5.00mm) | 0.295" (7.50mm) | - | 0.197" (5.00mm) |
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B59890C0080A053PTC RESET FUSE 265V 15MA RADIAL |
2,344 | - |
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Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 15 mA | 40 mA | 200 mA | - | - | - | 150 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.157" Dia x 0.197" T (4.00mm x 5.00mm) | 0.295" (7.50mm) | - | 0.197" (5.00mm) |
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B59884C0120A051PTC RESET FUSE 420V 21MA RADIAL |
4,066 | - |
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Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 420V | 21 mA | 39 mA | 200 mA | - | - | - | 600 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.256" Dia x 0.197" T (6.50mm x 5.00mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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B59880C80A51PTC RESET FUSE 265V 30MA RADIAL |
3,299 | - |
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- |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 30 mA | 70 mA | 400 mA | - | - | - | 70 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.256" Dia x 0.197" T (6.50mm x 5.00mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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B59960C0080A051PTC RESET FUSE 80V 130MA RADIAL |
2,297 | - |
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Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 80V | 130 mA | 265 mA | 4.3 A | - | - | - | 5.6 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.433" Dia x 0.138" T (11.00mm x 3.50mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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B59965C0160A054PTC RESET FUSE 20V 700MA RADIAL |
7,588 | - |
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Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 20V | 700 mA | 1.45 A | 4.3 A | - | - | - | 1.2 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.433" Dia x 0.138" T (11.00mm x 3.50mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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B59965C120A51PTC RESET FUSE 30V 600MA RADIAL |
5,051 | - |
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Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 30V | 600 mA | 1.2 A | 4.3 A | - | - | - | 1.2 Ohms | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.433" Dia x 0.138" T (11.00mm x 3.50mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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B59960C0120A054PTC RESET FUSE 80V 250MA RADIAL |
8,491 | - |
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Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 80V | 250 mA | 500 mA | 4.3 A | - | - | - | 5.6 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.433" Dia x 0.138" T (11.00mm x 3.50mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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HVR250P145CFPTC RESET FUSE 60V 145MA RADIAL |
9,302 | - |
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Datasheet |
Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" Dia x 0.201" T (6.00mm x 5.10mm) | 0.492" (12.50mm) | - | 0.217" (5.50mm) |
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HVR250P120UFPTC RESET FUSE 60V 120MA RADIAL |
3,040 | - |
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Datasheet |
Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 1 s | 6 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" Dia x 0.201" T (6.00mm x 5.10mm) | 0.394" (10.00mm) | - | 0.217" (5.50mm) |
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HVR250P120CRCFPTC RESET FUSE 60V 120MA RADIAL |
9,292 | - |
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Datasheet |
Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 850 ms | 5.4 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.268" Dia x 0.201" T (6.80mm x 5.10mm) | 0.492" (12.50mm) | - | 0.217" (5.50mm) |
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HVR250P180UFPTC RESET FUSE 60V 180MA RADIAL |
3,340 | - |
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Datasheet |
Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 180 mA | 650 mA | 10 A | 15 s | 800 mOhms | 4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" L x 0.201" W (10.40mm x 5.10mm) | 0.520" (13.20mm) | - | 0.217" (5.50mm) |
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HVR250P180CFPTC RESET FUSE 60V 180MA RADIAL |
2,826 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 180 mA | 650 mA | 3 A | 21 s | 800 mOhms | 4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.201" W (12.00mm x 5.10mm) | 0.520" (13.20mm) | - | 0.217" (5.50mm) |
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HVR250P120CR2FPTC RESET FUSE 60V 120MA RADIAL |
2,110 | - |
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Datasheet |
Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 700 ms | 8 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.268" Dia x 0.201" T (6.80mm x 5.10mm) | 0.492" (12.50mm) | - | 0.217" (5.50mm) |

