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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
0805L150SLYRPTC RESET FUSE 6V 1.5A 0805 |
4,115 | - |
|
Datasheet |
0805 (2012 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 1.5 A | 3 A | 50 A | 500 ms | 15 mOhms | 65 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.030" (0.75mm) | - |
|
0603L150SLYRPTC RESET FUSE 6V 1.5A 0603 |
2,283 | - |
|
Datasheet |
0603 (1608 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 1.5 A | 3 A | 50 A | 500 ms | 7 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.039" (1.00mm) | - |
|
1812L020/60DRPTC RESET FUSE 60V 200MA 1812 |
9,304 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 60V | 200 mA | 400 mA | 40 A | 2 s | 1.4 Ohms | 4.4 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.049" (1.25mm) | - |
|
1812L200/12DRPTC RESET FUSE 12V 2A 1812 |
2,100 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 12V | 2 A | 3.5 A | 100 A | 2 s | 20 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.047" (1.20mm) | - |
|
2920L330/24MRPTC RESET FUSE 24V 3.3A 2920 |
10,514 | - |
|
Datasheet |
2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 24V | 3.3 A | 5.5 A | 40 A | 5 s | 15 mOhms | 55 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.079" (2.00mm) | - |
|
0603L050SLYRPTC RESET FUSE 6V 500MA 0603 |
15,351 | - |
|
Datasheet |
0603 (1608 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 500 mA | 1 A | 50 A | 100 ms | 70 mOhms | 350 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.030" (0.75mm) | - |
|
0603L075SLYRPTC RESET FUSE 6V 750MA 0603 |
13,493 | - |
|
Datasheet |
0603 (1608 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 750 mA | 1.5 A | 50 A | 200 ms | 20 mOhms | 165 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.030" (0.75mm) | - |
|
0603L175SLYRPTC RESET FUSE 6V 1.75A 0603 |
6,392 | - |
|
Datasheet |
0603 (1608 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 1.75 A | 3.5 A | 50 A | 600 ms | 5 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.039" (1.00mm) | - |
|
1206L175SLYRPTC RESET FUSE 6V 1.75A 1206 |
6,371 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 1.75 A | 3.5 A | 50 A | 400 ms | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.071" (1.80mm) | - |
|
1206L350SLTHYRPTC RESET FUSE 6V 3.5A 1206 |
5,592 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 3.5 A | 7 A | 50 A | 5 s | 3 mOhms | 18 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.030" (0.75mm) | - |
|
1812L035/30DRPTC RESET FUSE 30V 350MA 1812 |
6,342 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 30V | 350 mA | 750 mA | 40 A | 150 ms | 400 mOhms | 1.7 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.049" (1.25mm) | - |
|
0402L020SLKRPTC RESET FUSE 6V 200MA 0402 |
48,447 | - |
|
Datasheet |
0402 (1005 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 200 mA | 500 mA | 40 A | 1 s | 100 mOhms | 1.25 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.039" L x 0.020" W (1.00mm x 0.50mm) | - | 0.024" (0.60mm) | - |
|
0402L050SLKRPTC RESET FUSE 6V 500MA 0402 |
27,876 | - |
|
Datasheet |
0402 (1005 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 500 mA | 1 A | 50 A | 100 ms | 40 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.039" L x 0.020" W (1.00mm x 0.50mm) | - | 0.024" (0.60mm) | - |
|
0805L010/24YRPTC RESET FUSE 24V 100MA 0805 |
13,390 | - |
|
Datasheet |
0805 (2012 Metric), Concave | POLY-FUSE®, 0805L | Tape & Reel (TR) | Active | Polymeric | 24V | 100 mA | 300 mA | 100 A | 1.5 s | 1.5 Ohms | 6 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.039" (1.00mm) | - |
|
1206L600SLWRPTC RESET FUSE 6.0A 6V 1206 |
8,625 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 6 A | 12 A | 50 A | 2 s | 1 mOhms | 10 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.055" (1.40mm) | - |
|
1206L260/12SLYRPTC RESET FUSE 2.6A 12V 1206 |
4,240 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 12V | 2.6 A | 5 A | 50 A | 4 s | 3 mOhms | 55 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.030" (0.75mm) | - |
|
1206L400SLWRPTC RESET FUSE 6V 4A 1206 |
3,599 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 4 A | 8 A | 50 A | 2 s | 1 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.055" (1.40mm) | - |
|
1206L400/12SLWRPTC RESET FUSE 4.0A 12V 1206 |
2,368 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 12V | 4 A | 8 A | 50 A | 2 s | 3 mOhms | 16 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.055" (1.40mm) | - |
|
|
LR4-1300SSFPTC RESET FUSE 20V 13A STRAP |
32,365 | - |
|
Datasheet |
Strap | PolySwitch®, LR4 | Bag | Active | Polymeric | 20V | 13 A | 21.2 A | 100 A | 10 s | 3.5 mOhms | 9 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 2.520" L x 0.382" W (64.00mm x 9.70mm) | - | - | - |
|
1812L300/24SLERPTC RESET FUSE 3.0A 24V 1812 |
5,413 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 24V | 3 A | 6 A | 50 A | 2 s | 1 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.032" (0.82mm) | - |

