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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-R400-2-14PTC RESET FUSE 30V 4A RADIAL |
26,393 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 30V | 4 A | 8 A | 40 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.567" L x 0.118" W (14.40mm x 3.00mm) | 0.976" (24.80mm) | - | 0.201" (5.10mm) |
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MF-RX185/72-2PTC RESET FUSE 72V 1.85A RADIAL |
14,479 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RX/72 | Tape & Reel (TR) | Active | Polymeric | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.701" L x 0.122" W (17.80mm x 3.10mm) | 0.902" (22.90mm) | - | 0.201" (5.10mm) |
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LVR040SPTC RESET FUSE 240V 400MA RADIAL |
12,471 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, LVR | Bulk | Active | Polymeric | 240V (265V Int) | 400 mA | 900 mA | 5.5 A | 24 s | 600 mOhms | 1.9 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.453" L x 0.150" W (11.50mm x 3.80mm) | 0.768" (19.50mm) | - | 0.200" (5.08mm) |
|
1812L110/24DRPTC RESET FUSE 24V 1.1A 1812 |
4,960 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 24V | 1.1 A | 1.95 A | 20 A | 500 ms | 60 mOhms | 200 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.042" (1.07mm) | - |
|
NANOASMDCH016F-2PTC RESET FUSE 30V 160MA 1206 |
3,485 | - |
|
Datasheet |
1206 (3216 Metric), Concave | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 30V | 160 mA | 800 mA | 20 A | 100 ms | 700 mOhms | 6 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.062" W (3.20mm x 1.58mm) | - | 0.045" (1.14mm) | - |
|
1206L200PRPTC RESET FUSE 6V 2A 1206 |
1,837 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 6V | 2 A | 3.5 A | 100 A | 1.5 s | 18 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.063" (1.60mm) | - |
|
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30R090UPRPTC RESET FUSE 30V 900MA RADIAL |
5,863 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 30R | Cut Tape (CT) | Active | Polymeric | 30V | 900 mA | 1.8 A | 40 A | 5.9 s | 70 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.480" (12.20mm) | - | 0.201" (5.10mm) |
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0ZRE0055FF1APTC RESET FUSE 240V 550MA RADIAL |
4,990 | - |
|
Datasheet |
Radial, Disc | 0ZRE | Box | Active | Polymeric | 240V | 550 mA | 1.25 A | 7 A | 26 s | 450 mOhms | 1.45 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.551" L x 0.161" W (14.00mm x 4.10mm) | 0.854" (21.70mm) | - | 0.201" (5.10mm) |
|
LVR005NKPTC RESET FUSE 240V 50MA RADIAL |
2,829 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, LVR | Bag | Active | Polymeric | 240V (265V Int) | 50 mA | 120 mA | 1 A | 10 s | 18.5 Ohms | 65 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.272" Dia x 0.181" T (6.90mm x 4.60mm) | 0.476" (12.10mm) | - | 0.200" (5.08mm) |
|
MF-R500PTC RESET FUSE 30V 5A RADIAL |
1,595 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 30V | 5 A | 10 A | 40 A | 14.5 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.685" L x 0.118" W (17.40mm x 3.00mm) | 0.980" (24.90mm) | - | 0.402" (10.20mm) |
|
0ZRC0250FF1APTC RESET FUSE 90V 2.5A RADIAL |
1,254 | - |
|
Datasheet |
Radial, Disc | 0ZRC | Box | Active | Polymeric | 90V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.839" L x 0.122" W (21.30mm x 3.10mm) | 1.039" (26.40mm) | - | 0.402" (10.20mm) |
|
SMD150F-2PTC RESET FUSE 15V 1.5A 2SMD |
103,075 | - |
|
Datasheet |
2-SMD | PolySwitch®, SMD | Tape & Reel (TR) | Active | Polymeric | 15V | 1.5 A | 3 A | 40 A | 5 s | 60 mOhms | 250 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.343" L x 0.250" W (8.70mm x 6.36mm) | - | 0.118" (3.00mm) | - |
|
0ZCF0260AF2CPTC RESET FUSE 24V 2.6A 2920 |
39,271 | - |
|
Datasheet |
2920 (7351 Metric), Concave | 0ZCF | Tape & Reel (TR) | Active | Polymeric | 24V | 2.6 A | 5.2 A | 100 A | 20 s | 20 mOhms | 75 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.067" (1.70mm) | - |
|
1206L005/60WR-APTC RESET FUSE 60V 50MA 1206 |
18,124 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 60V | 50 mA | 150 mA | 10 A | 1.5 s | 3.6 Ohms | 20 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.049" (1.25mm) | - |
|
RGEF300-2PTC RESET FUSE 16V 3A RADIAL |
2,387 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RGEF | Tape & Reel (TR) | Active | Polymeric | 16V | 3 A | 5.1 A | 100 A | 1 s | 38 mOhms | 97.5 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.260" L x 0.098" W (6.60mm x 2.50mm) | 0.433" (11.00mm) | - | 0.199" (5.05mm) |
|
1812L075/24DRPTC RESET FUSE 24V 750MA 1812 |
10,845 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 24V | 750 mA | 1.5 A | 100 A | 200 ms | 110 mOhms | 290 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |
|
AHEF300PTC RESET FUSE 32V 3A RADIAL |
9,394 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, AHEF | Bag | Active | Polymeric | 32V | 3 A | 6 A | 100 A | 5 s | 35 mOhms | 110 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.402" L x 0.150" W (10.20mm x 3.80mm) | 0.610" (15.50mm) | - | 0.200" (5.08mm) |
|
MF-R500-2PTC RESET FUSE 30V 5A RADIAL |
8,926 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 30V | 5 A | 10 A | 40 A | 14.5 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.685" L x 0.118" W (17.40mm x 3.00mm) | 0.980" (24.90mm) | - | 0.402" (10.20mm) |
|
|
SMD030F-2018-2PTC RESET FUSE 60V 300MA 2SMD |
8,914 | - |
|
Datasheet |
2-SMD | PolySwitch®, SMD | Tape & Reel (TR) | Active | Polymeric | 60V | 300 mA | 800 mA | 20 A | 1.5 s | 500 mOhms | 2.3 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.180" W (5.08mm x 4.58mm) | - | 0.070" (1.78mm) | - |
|
RGEF800PTC RESET FUSE 16V 8A RADIAL |
3,927 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RGEF | Bag | Active | Polymeric | 16V | 8 A | 13.6 A | 100 A | 5 s | 5.6 mOhms | 17.5 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.480" L x 0.098" W (12.20mm x 2.50mm) | 0.823" (20.90mm) | - | 0.199" (5.05mm) |

