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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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MF-RX090/72-0PTC RESET FUSE 72V 900MA RADIAL |
5,053 | - |
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Datasheet |
Radial, Disc | Multifuse®, MF-RX/72 | Bulk | Active | Polymeric | 72V | 900 mA | 1.8 A | 40 A | 7.2 s | 140 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.461" Dia x 0.122" T (11.70mm x 3.10mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
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TRF250-110UTPTC RESET FUSE 60V 110MA RADIAL |
3,431 | - |
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Datasheet |
Radial, Disc | PolySwitch®, TRF250 | Bag | Obsolete | Polymeric | 60V (250V Int) | 110 mA | 220 mA | 3 A | 1.2 s | 5 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.209" Dia x 0.150" T (5.30mm x 3.80mm) | 0.370" (9.40mm) | - | 0.197" (5.00mm) |
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24LT100UPTC RESET FUSE 24V 1A STRAP |
7,995 | - |
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- |
Strap | POLY-FUSE®, LT | 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) | - |
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MF-R025-AP-17PTC RESETTABLE 0.25A 60V RADIAL |
3,683 | - |
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Datasheet |
Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Active | Polymeric | 60V | 250 mA | 500 mA | 40 A | 2.5 s | 1 Ohms | 3 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.500" (12.70mm) | - | 0.201" (5.10mm) |
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0ZRF0011FF1EPTC RESET FUSE 60V 110MA RADIAL |
8,429 | - |
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Datasheet |
Radial, Disc | 0ZRF | Box | Active | Polymeric | 60V | 110 mA | 400 mA | 3 A | 2 s | 5 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.268" L x 0.181" W (6.80mm x 4.60mm) | 0.390" (9.90mm) | - | 0.197" (5.00mm) |
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0ZRF0012FF1EPTC RESET FUSE 60V 120MA RADIAL |
5,098 | - |
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Datasheet |
Radial, Disc | 0ZRF | Box | Active | Polymeric | 60V | 120 mA | 480 mA | 3 A | 2 s | 4 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.197" (5.00mm) |
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0ZRF0015FF1EPTC RESET FUSE 60V 150MA RADIAL |
6,203 | - |
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Datasheet |
Radial, Disc | 0ZRF | Box | Active | Polymeric | 60V | 150 mA | 580 mA | 3 A | 2.5 s | 3 Ohms | 12 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.197" (5.00mm) |
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PTR016V0185-TRPTC RESET FUSE 16V 1.85A RADIAL |
5,721 | - |
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Datasheet |
Radial, Disc | PTR016V | Tape & Reel (TR) | Active | Polymeric | 16V | 1.85 A | 3.7 A | 40 A | 10 s | 30 mOhms | 90 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" L x 0.122" W (10.20mm x 3.10mm) | 0.618" (15.70mm) | - | 0.197" (5.00mm) |
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PTR030V0110-TRPTC RESET FUSE 30V 1.1A RADIAL |
7,998 | - |
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Datasheet |
Radial, Disc | PTR030V | Tape & Reel (TR) | Active | Polymeric | 30V | 1.1 A | 2.2 A | 40 A | 6.6 s | 50 mOhms | 170 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.559" (14.20mm) | - | 0.197" (5.00mm) |
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0ZRA0900FF1APTC RESET FUSE 16V 9A RADIAL |
4,827 | - |
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Datasheet |
Radial, Disc | 0ZRA | Box | Active | Polymeric | 16V | 9 A | 15.3 A | 100 A | 12 s | 4 mOhms | 15 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.551" L x 0.118" W (14.00mm x 3.00mm) | 0.854" (21.70mm) | - | 0.201" (5.10mm) |
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PTGL07BD330N3B51A0PTC RESET FUSE 32V 60MA RADIAL |
6,141 | - |
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Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 32V | 60 mA | 135 mA | 1.5 A | - | - | - | 33 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.291" Dia x 0.157" T (7.40mm x 4.00mm) | 0.528" (13.40mm) | - | 0.197" (5.00mm) |
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SRP420PTC RESET FUSE 30V 4.2A STRAP |
6,225 | - |
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Datasheet |
Strap | PolySwitch®, SRP | Bulk | Obsolete | Polymeric | 30V | 4.2 A | 7.6 A | 100 A | 6 s | 12 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.240" L x 0.522" W (31.50mm x 13.25mm) | - | 0.043" (1.10mm) | - |
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PFMF.160.2PTC RESET FUSE 8V 1.6A 1812 |
2,701 | - |
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Datasheet |
1812 (4532 Metric), Concave | PFMF | Tape & Reel (TR) | Active | Polymeric | 8V | 1.6 A | 2.8 A | 100 A | 2 s | 35 mOhms | 99 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.033" (0.85mm) | - |
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15LR190UPTC RESET FUSE 15V 1.9A STRAP |
8,831 | - |
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Strap | POLY-FUSE®, LR | Bulk | Obsolete | Polymeric | 15V | 1.9 A | 3.9 A | 100 A | 5 s | 39 mOhms | 102 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.827" L x 0.205" W (21.00mm x 5.20mm) | - | 0.039" (1.00mm) | - |
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MF-RX040/72-APPTC RESET FUSE 72V 400MA RADIAL |
2,054 | - |
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Datasheet |
Radial, Disc | MF-RX/72 | Tape & Box (TB) | Active | - | 72V | 400 mA | 800 mA | 40 A | 3.9 s | - | - | - | - | - | - | - | Through Hole | 0.291" Dia x 0.122" W (7.40mm x 3.10mm) | - | - | 0.201" (5.10mm) |
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MF-RX065/72-APPTC RESET FUSE 72V 650MA RADIAL |
5,777 | - |
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Datasheet |
Radial, Disc | MF-RX/72 | Tape & Box (TB) | Active | - | 72V | 650 mA | 1.3 A | 40 A | 5.3 s | - | - | - | - | - | - | - | Through Hole | 0.382" Dia x 0.122" W (9.70mm x 3.10mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
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MF-RX075/72-APPTC RESET FUSE 72V 750MA RADIAL |
4,725 | - |
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Datasheet |
Radial, Disc | MF-RX/72 | Tape & Box (TB) | Active | - | 72V | 750 mA | 1.5 A | 40 A | 6.3 s | - | - | - | - | - | - | - | Through Hole | 0.409" Dia x 0.122" W (10.40mm x 3.10mm) | 0.630" (16.00mm) | - | 0.201" (5.10mm) |
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MF-RX090/72-APPTC RESET FUSE 72V 900MA RADIAL |
4,292 | - |
|
Datasheet |
Radial, Disc | MF-RX/72 | Tape & Box (TB) | Active | - | 72V | 900 mA | 1.8 A | 40 A | 7.2 s | - | - | - | - | - | - | - | Through Hole | 0.461" Dia x 0.122" W (11.70mm x 3.10mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
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MF-RX110/72-APPTC RESET FUSE 72V 1.1A RADIAL |
5,284 | - |
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Datasheet |
Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.427" L x 0.122" W (10.84mm x 3.10mm) | 0.662" (16.84mm) | - | 0.201" (5.10mm) |
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MF-RX135/72-APPTC RESET FUSE 72V 1.35A RADIAL |
3,548 | - |
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Datasheet |
Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.483" L x 0.122" W (12.26mm x 3.10mm) | 0.718" (18.26mm) | - | 0.201" (5.10mm) |

