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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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0ZRP0375FF2APTC RESET FUSE 60V 3.75A RADIAL |
4,532 | - |
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Datasheet |
Radial, Disc | 0ZRP | Tape & Reel (TR) | Active | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 22 s | 17 mOhms | 60 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 0.992" (25.20mm) | - | 0.402" (10.20mm) |
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VTP210FPTC RESET FUSE 16V 2.1A STRAP |
3,598 | - |
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Datasheet |
Strap | PolySwitch®, VTP | Bulk | Obsolete | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.024" L x 0.209" W (26.00mm x 5.30mm) | - | 0.032" (0.80mm) | - |
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24LT260UPTC RESET FUSE 24V 2.6A STRAP |
2,392 | - |
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Datasheet |
Strap | POLY-FUSE®, LT | 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) | - |
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16VT210UPTC RESET FUSE 16V 2.1A STRAP |
7,169 | - |
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- |
Strap | POLY-FUSE®, VT | Bulk | Obsolete | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.201" W (22.00mm x 5.10mm) | - | 0.032" (0.80mm) | - |
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16VT210LUPTC RESET FUSE 16V 2.1A STRAP |
2,669 | - |
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- |
Strap | POLY-FUSE®, VT | Bulk | Obsolete | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.201" W (25.00mm x 5.10mm) | - | 0.032" (0.80mm) | - |
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AGRF700S-1PTC RESET FUSE 16V 7A RADIAL |
5,837 | - |
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Datasheet |
Radial, Disc | PolySwitch®, AGRF | Bulk | Obsolete | Polymeric | 16V | 7 A | 13.2 A | 100 A | 4 s | 6.6 mOhms | 20 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.827" (21.00mm) | - | 0.200" (5.08mm) |
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PTR030V0135-TR1PTC RESET FUSE 30V 1.35A RADIAL |
3,180 | - |
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Datasheet |
Radial, Disc | PTR030V | Tape & Reel (TR) | Active | Polymeric | 30V | 1.35 A | 2.7 A | 40 A | 7.3 s | 40 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.532" (13.50mm) | - | 0.197" (5.00mm) |
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PTGL4SAS100K3B51A0PTC RESET FUSE 51V 213MA RADIAL |
4,390 | - |
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Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 51V | 213 mA | 283 mA | 1 A | - | - | - | 10 Ohms | -30°C ~ 125°C | - | - | - | Through Hole | 0.177" Dia x 0.138" T (4.50mm x 3.50mm) | 0.374" (9.50mm) | - | 0.197" (5.00mm) |
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MF-RX014/250U-2PTC RESET FUSE 60V 145MA RADIAL |
2,409 | - |
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Datasheet |
Radial, Disc | Multifuse®, MF-RX/250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 145 mA | - | 3 A | - | 3.5 Ohms | 12 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" L x 0.150" W (6.00mm x 3.80mm) | 0.394" (10.00mm) | - | 0.201" (5.10mm) |
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MF-RX018/250U-2PTC - RADIAL LEADED |
4,878 | - |
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Datasheet |
Radial, Disc | Multifuse®, MF-RX/250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 180 mA | 500 mA | 10 A | 20 s | 800 mOhms | 4 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.409" L x 0.201" W (10.40mm x 5.10mm) | 0.496" (12.60mm) | - | 0.201" (5.10mm) |
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MF-RHT450-APPTC RESET FUSE 16V 4.5A RADIAL |
7,162 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RHT | Tape & Box (TB) | Active | Polymeric | 16V | 4.5 A | 7.8 A | 100 A | 3 s | 22 mOhms | 54 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.409" L x 0.118" W (10.40mm x 3.00mm) | 0.614" (15.60mm) | - | 0.114" (2.90mm) |
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MF-RX300/72-APPTC RESET FUSE 72V 3A RADIAL |
3,178 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.980" L x 0.122" W (24.90mm x 3.10mm) | 1.181" (30.00mm) | - | 0.402" (10.20mm) |
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MF-R250U-2PTC RESET FUSE 30V 2.5A RADIAL |
8,405 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
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MF-R250U-APPTC RESET FUSE 30V 2.5A RADIAL |
6,492 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
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MF-RHT300-APPTC RESET FUSE 16V 3A RADIAL |
5,243 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RHT | Bulk | Active | Polymeric | 16V | 3 A | 6 A | 100 A | 5 s | 33 mOhms | 79 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.346" L x 0.118" W (8.80mm x 3.00mm) | 0.543" (13.80mm) | - | 0.201" (5.10mm) |
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MF-RHT400-APPTC RESET FUSE 16V 4A RADIAL |
4,740 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RHT | Bulk | Active | Polymeric | 16V | 4 A | 7.5 A | 100 A | 5 s | 24 mOhms | 60 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.394" L x 0.118" W (10.00mm x 3.00mm) | 0.591" (15.00mm) | - | 0.201" (5.10mm) |
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MF-RHT300-0-14PTC 3.0A 16V RADIAL LEADED HI-TE |
5,972 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RHT | Bulk | Active | Polymeric | 16V | 3 A | 6 A | 100 A | 5 s | 33 mOhms | 79 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.346" L x 0.118" W (8.80mm x 3.00mm) | 0.543" (13.80mm) | - | 0.201" (5.10mm) |
|
MF-RHT200-AP-17PTC 2.0A 16V RADIAL LEADED HI-TE |
5,639 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RHT | Tape & Reel (TR) | Active | Polymeric | 16V | 2 A | 3.8 A | 100 A | 3 s | 45 mOhms | 110 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.370" Dia x 0.118" T (9.40mm x 3.00mm) | 0.550" (13.97mm) | - | 0.201" (5.10mm) |
|
MF-RHT100-2-17PTC 1.0A 16V RADIAL LEADED HI-TE |
8,282 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RHT | Tape & Reel (TR) | Active | Polymeric | 30V | 1 A | 1.8 A | 40 A | 5 s | 180 mOhms | 430 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.382" Dia x 0.118" T (9.70mm x 3.00mm) | 0.535" (13.60mm) | - | 0.201" (5.10mm) |
|
MF-R400-AP-14PTC RESETTABLE 4.0A 30V RADIAL L |
6,493 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 30V | 4 A | 8 A | 40 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.567" L x 0.118" W (14.40mm x 3.00mm) | 0.976" (24.80mm) | - | 0.201" (5.10mm) |

