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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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PTGL13AR0R8H2B71B0PTC RESET FUSE 30V 870MA RADIAL |
8,606 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 870 mA | 1.6 A | 5.5 A | - | - | - | 800 mOhms | -10°C ~ 60°C | - | - | - | Through Hole | 0.532" Dia x 0.157" T (13.50mm x 4.00mm) | 0.768" (19.50mm) | - | 0.295" (7.50mm) |
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PTGL13AR100H8B72B0PTC RESET FUSE 265V 260MA RADIAL |
5,313 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 265V | 260 mA | 480 mA | 2.2 A | - | - | - | 10 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.532" Dia x 0.157" T (13.50mm x 4.00mm) | 0.768" (19.50mm) | - | 0.295" (7.50mm) |
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PTGL13AR6R8M6C01B0PTC RESET FUSE 140V 370MA RADIAL |
6,745 | - |
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Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 370 mA | 575 mA | 1 A | - | - | - | 6.8 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.551" Dia x 0.236" T (14.00mm x 6.00mm) | 0.787" (20.00mm) | - | 0.394" (10.00mm) |
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PTGL14AR100M6B72B0PTC RESET FUSE 125V 280MA RADIAL |
7,788 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 125V | 280 mA | 475 mA | 1.2 A | - | - | - | 10 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.591" Dia x 0.217" T (15.00mm x 5.50mm) | 0.827" (21.00mm) | - | 0.295" (7.50mm) |
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PTGL14AR180M9C01B0PTC RESET FUSE 265V 230MA RADIAL |
8,703 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 265V | 230 mA | 380 mA | 1.8 A | - | - | - | 18 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.618" Dia x 0.256" T (15.70mm x 6.50mm) | 0.854" (21.70mm) | - | 0.394" (10.00mm) |
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PTGL18AR6R0H8B72B0PTC RESET FUSE 265V 380MA RADIAL |
2,153 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 265V | 380 mA | 715 mA | 4.1 A | - | - | - | 6 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.728" Dia x 0.217" T (18.50mm x 5.50mm) | 0.965" (24.50mm) | - | 0.295" (7.50mm) |
|
1812L370SLPRPTC RESET FUSE 6V 3.7A 1812 |
6,655 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.7 A | 9.1 A | 50 A | 2 s | 3 mOhms | 18 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.028" (0.70mm) | - |
|
MF-LS100SPTC RESET FUSE 24V 1A STRAP |
8,818 | - |
|
Datasheet |
Strap | Multifuse®, MF-LS | Bulk | Obsolete | Polymeric | 24V | 1 A | 2.5 A | 100 A | 7 s | 70 mOhms | 260 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.199" W (22.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
|
MF-R005-0-99PTC RESET FUSE 60V 50MA RADIAL |
6,123 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Bulk | Obsolete | Polymeric | 60V | 50 mA | 100 mA | 40 A | 5 s | 7.3 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.315" Dia x 0.122" T (8.00mm x 3.10mm) | 0.327" (8.30mm) | - | 0.201" (5.10mm) |
|
MF-LS180SPTC RESET FUSE 24V 1.8A STRAP |
2,165 | - |
|
Datasheet |
Strap | Multifuse®, MF-LS | Bulk | Obsolete | Polymeric | 24V | 1.8 A | 3.8 A | 100 A | 2.9 s | 40 mOhms | 120 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.199" W (25.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
|
MF-LS190SPTC RESET FUSE 24V 1.9A STRAP |
6,453 | - |
|
Datasheet |
Strap | Multifuse®, MF-LS | Bulk | Obsolete | Polymeric | 24V | 1.9 A | 4.2 A | 100 A | 3 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) | - |
|
MF-LS260SPTC RESET FUSE 24V 2.6A STRAP |
7,774 | - |
|
Datasheet |
Strap | Multifuse®, MF-LS | Bulk | Obsolete | Polymeric | 24V | 2.6 A | 5.2 A | 100 A | 5 s | 25 mOhms | 76 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.447" W (25.00mm x 11.35mm) | - | 0.039" (1.00mm) | - |
|
MF-LS300SPTC RESET FUSE 24V 3A STRAP |
9,510 | - |
|
Datasheet |
Strap | Multifuse®, MF-LS | Bulk | Obsolete | Polymeric | 24V | 3 A | 6.3 A | 100 A | 4 s | 15 mOhms | 55 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.185" L x 0.522" W (30.10mm x 13.25mm) | - | 0.043" (1.10mm) | - |
|
MF-R005-2-99PTC RESET FUSE 60V 50MA RADIAL |
6,227 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Obsolete | Polymeric | 60V | 50 mA | 100 mA | 40 A | 5 s | 7.3 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.315" Dia x 0.122" T (8.00mm x 3.10mm) | 0.327" (8.30mm) | - | 0.201" (5.10mm) |
|
MF-R005-AP-99PTC RESET FUSE 60V 50MA RADIAL |
8,605 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 60V | 50 mA | 100 mA | 40 A | 5 s | 7.3 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.315" Dia x 0.122" T (8.00mm x 3.10mm) | 0.327" (8.30mm) | - | 0.201" (5.10mm) |
|
MF-SVS170NL-0PTC RESET FUSE 10V 1.7A STRAP |
6,346 | - |
|
Datasheet |
Strap | Multifuse®, MF-SVS | Bulk | Active | Polymeric | 10V | 1.7 A | 4.1 A | 100 A | 5 s | 18 mOhms | 64 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | - | - | 0.035" (0.90mm) | - |
|
MF-SVS230S-0PTC RESET FUSE 10V 2.3A STRAP |
3,915 | - |
|
Datasheet |
Strap | Multifuse®, MF-SVS | Bulk | Obsolete | Polymeric | 10V | 2.3 A | 5.2 A | 100 A | 5 s | 10 mOhms | 36 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.205" W (22.00mm x 5.20mm) | - | 0.035" (0.90mm) | - |
|
|
MF-VS170S-0PTC RESET FUSE 16V 1.7A STRAP |
6,539 | - |
|
Datasheet |
Strap | Multifuse®, MF-VS | Bulk | Obsolete | Polymeric | 16V | 1.7 A | 3.4 A | 100 A | 3 s | 30 mOhms | 105 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.669" L x 0.205" W (17.00mm x 5.20mm) | - | 0.035" (0.90mm) | - |
|
|
MF-VS170SS-0PTC RESET FUSE 16V 1.7A STRAP |
2,951 | - |
|
Datasheet |
Strap | Multifuse®, MF-VS | Bulk | Obsolete | Polymeric | 16V | 1.7 A | 3.4 A | 100 A | 3 s | 30 mOhms | 105 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | - | - | 0.035" (0.90mm) | - |
|
|
MF-VS210S-0PTC RESET FUSE 16V 2.1A STRAP |
9,135 | - |
|
Datasheet |
Strap | Multifuse®, MF-VS | Bulk | Obsolete | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.669" L x 0.205" W (17.00mm x 5.20mm) | - | - | - |

