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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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YQZ120N1.80PTC RESET FUSE 18V 550MA RADIAL |
5,025 | - |
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Datasheet |
Radial, Disc | YQ | Bulk | Active | Ceramic | 18V | 550 mA | 1 A | 3 A | - | - | - | 1.8 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | - | - | - | 0.236" (6.00mm) |
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YS5677PTC RESET FUSE 75V RADIAL DISC |
3,888 | - |
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Datasheet |
Radial, Disc | - | Bulk | Active | Ceramic | 75V | - | - | - | - | - | - | 10 Ohms | - | - | - | - | Through Hole | 0.570" Dia x 0.160" T (14.48mm x 4.06mm) | 0.570" (14.48mm) | - | 0.328" (8.33mm) |
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YQZ120N1.20PTC RESET FUSE 18V 700MA RADIAL |
2,366 | - |
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Datasheet |
Radial, Disc | YQ | Bulk | Active | Ceramic | 18V | 700 mA | 1.4 A | 4.3 A | - | - | - | 1.2 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.433" Dia x 0.157" T (11.00mm x 4.00mm) | - | - | 0.236" (6.00mm) |
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PTCCL11H701DTEPTC RESET FUSE 30V 700MA RADIAL |
6,167 | - |
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Datasheet |
Radial, Disc | PTCCL - 30V | Tape & Reel (TR) | Obsolete | Ceramic | 30V | 700 mA | 1.05 A | 8 A | - | - | - | 1.3 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.413" Dia x 0.157" T (10.50mm x 4.00mm) | 0.610" (15.50mm) | - | 0.197" (5.00mm) |
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PTGL16AR5R6M6C01B0THERMISTOR PTC 140V 5.6 OHM 120C |
5,737 | - |
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Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 440 mA | 670 mA | 2 A | - | - | - | 5.6 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.669" Dia x 0.236" W (17.00mm x 6.00mm) | 0.906" (23.00mm) | - | 0.394" (10.00mm) |
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PTCCL17H601FBEPTC RESET FUSE 145V 600MA RADIAL |
8,185 | - |
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Datasheet |
Radial, Disc | PTCCL - 145V | Bulk | Active | Ceramic | 145V | 600 mA | 900 mA | 7.2 A | - | - | - | 2.9 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.650" Dia x 0.197" T (16.50mm x 5.00mm) | 0.846" (21.50mm) | - | 0.197" (5.00mm) |
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PTCCL17H711FBEPTC RESET FUSE 145V 710MA RADIAL |
5,712 | - |
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Datasheet |
Radial, Disc | PTCCL - 145V | Bulk | Active | Ceramic | 145V | 710 mA | 1.065 A | 8.5 A | - | - | - | 2.1 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.650" Dia x 0.197" T (16.50mm x 5.00mm) | 0.846" (21.50mm) | - | 0.197" (5.00mm) |
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MF-PSML260-2PTC RESET FUSE 6V 2.6A 0805 |
2,008 | - |
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Datasheet |
0805 (2012 Metric), Concave | Multifuse®, MF-PSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | - | - | - | - | - | - | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.032" (0.80mm) | - |
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MF-PSML300-2PTC RESET FUSE 6V 3A 0805 |
6,906 | - |
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Datasheet |
0805 (2012 Metric), Concave | Multifuse®, MF-PSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | - | - | - | - | - | - | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.032" (0.80mm) | - |
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1210L300SLYRPTC RESET FUSE 6V 3A 1210 |
2,504 | - |
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Datasheet |
1210 (3225 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3 A | 6 A | 50 A | 2 s | 3 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.028" (0.70mm) | - |
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YQS8069PTC RESET FUSE 265V 33MA RADIAL |
5,804 | - |
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Datasheet |
Radial, Disc | YM | Bulk | Active | Ceramic | 265V | 33 mA | 55 mA | 200 mA | - | - | - | 300 Ohms | 0°C ~ 55°C | - | - | - | Through Hole | 0.157" Dia x 0.197" T (4.00mm x 5.00mm) | 0.354" (9.00mm) | - | 0.197" (5.00mm) |
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B59750B0120A070PTC RESET FUSE 420V RADIAL DISC |
3,510 | - |
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Datasheet |
Radial, Disc | - | Bulk | Obsolete | Ceramic | 420V | - | 245 mA | 2 A | 6 s | - | - | 25 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.492" Dia x 0.197" T (12.50mm x 5.00mm) | 0.650" (16.50mm) | - | 0.197" (5.00mm) |
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B59752B0120A070PTC RESET FUSE 420V RADIAL DISC |
6,135 | - |
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Datasheet |
Radial, Disc | - | Bulk | Obsolete | Ceramic | 420V | - | 137 mA | 2 A | 4 s | - | - | 80 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.492" Dia x 0.276" T (12.50mm x 7.00mm) | 0.650" (16.50mm) | - | 0.197" (5.00mm) |
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B59751B0120A070PTC RESET FUSE 420V RADIAL DISC |
2,148 | - |
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Datasheet |
Radial, Disc | - | Bulk | Obsolete | Ceramic | 420V | - | 173 mA | 2 A | 4 s | - | - | 50 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.492" Dia x 0.276" T (12.50mm x 7.00mm) | 0.650" (16.50mm) | - | 0.197" (5.00mm) |
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B59755B0115A070PTC RESET FUSE 550V RADIAL DISC |
6,336 | - |
|
Datasheet |
Radial, Disc | - | Bulk | Obsolete | Ceramic | 550V | - | 55 mA | 1.4 A | 3 s | - | - | 500 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.492" Dia x 0.276" T (12.50mm x 7.00mm) | 0.650" (16.50mm) | - | 0.197" (5.00mm) |
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1210L175SLYRPTC RESET FUSE 6V 1.75A 1210 |
7,236 | - |
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Datasheet |
1210 (3225 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 1.75 A | 3.5 A | 50 A | 2.5 s | 6 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.028" (0.70mm) | - |
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1812L270SLPRPTC RESET FUSE 6V 2.7A 1812 |
7,171 | - |
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Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 2.7 A | 6.2 A | 50 A | 2 s | 3 mOhms | 22 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.028" (0.70mm) | - |
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LVB125PTC RESET FUSE 240V 1.25A RADIAL |
4,147 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, LVB | Bulk | Obsolete | Polymeric | 240V | 1.25 A | 2.5 A | 12.5 A | 5 s | 152 mOhms | 482 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.984" L x 0.175" W (25.00mm x 4.40mm) | 1.071" (27.20mm) | - | 0.400" (10.15mm) |
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YPCJ0006TPTC RESET FUSE 265V 170MA RADIAL |
5,225 | - |
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Datasheet |
Radial, Disc | YP | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 170 mA | 350 mA | 4.1 A | - | - | - | 6 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.689" Dia x 0.197" T (17.50mm x 5.00mm) | 0.748" (19.00mm) | - | 0.200" (5.08mm) |
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PTGL18AR4R7M6C01B0THERMISTOR PTC 125V 4.7 OHM 120C |
3,682 | - |
|
Datasheet |
Radial, Disc | Posistor® | Bulk | Obsolete | Ceramic | - | - | - | - | - | - | - | 4.7 Ohms | - | - | - | - | Through Hole | - | - | - | - |

