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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MPTS1206L07516RPTC RESET FUSE 16V 0.75A 1206 |
3,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 16V | 750 mA | 1.5 A | 100 A | 200 ms | 90 mOhms | 290 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.049" (1.25mm) | - |
|
FSMD020-60-RRESETTABLE FUSE - SMD, 1812 SIZE |
2,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 60V | 200 mA | 400 mA | 100 A | 20 ms | 800 mOhms | 5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.035" (0.90mm) | - |
|
FSMD050-30-RRESETTABLE FUSE - SMD, 1812 SIZE |
2,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 30V | 500 mA | 1 A | 100 A | 150 ms | 150 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.030" (0.75mm) | - |
|
FSMD035-RRESETTABLE FUSE - SMD, 1812 SIZE |
2,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 16V | 350 mA | 700 mA | 100 A | 100 ms | 320 mOhms | 1.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.028" (0.70mm) | - |
|
FSMD125-RRESETTABLE FUSE - SMD, 1812 SIZE |
2,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 6V | 1.25 A | 2.5 A | 100 A | 400 ms | 50 mOhms | 140 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.022" (0.55mm) | - |
|
FSMD075-RRESETTABLE FUSE - SMD, 1812 SIZE |
2,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 16V | 750 mA | 1.5 A | 100 A | 200 ms | 110 mOhms | 450 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.026" (0.65mm) | - |
|
FSMD110-RRESETTABLE FUSE - SMD, 1812 SIZE |
2,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 8V | 1.1 A | 2.2 A | 100 A | 300 ms | 40 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.022" (0.55mm) | - |
|
MPTS1812L16016RPTC RESET FUSE 16V 1.6A 1812 |
4,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 16V | 1.6 A | 3.2 A | 100 A | 1 s | 30 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.047" (1.20mm) | - |
|
FSMD035-0805-RRESETTABLE FUSE - SMD, 0805 SIZE |
4,000 | - |
|
Datasheet |
0805 (2012 Metric), Concave | FSMD0805 | Tape & Reel (TR) | Active | - | 6V | 350 mA | 750 mA | 100 A | 100 ms | 250 mOhms | 1.2 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.030" (0.75mm) | - |
|
FSMD010-0805-RRESETTABLE FUSE - SMD, 0805 SIZE |
4,000 | - |
|
Datasheet |
0805 (2012 Metric), Concave | FSMD0805 | Tape & Reel (TR) | Active | - | 15V | 100 mA | 300 mA | 100 A | 1.5 s | 700 mOhms | 6 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.039" (1.00mm) | - |
|
MPTS1812L020RPTC RESET FUSE 30V 0.2A 1812 |
18,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 30V | 200 mA | 400 mA | 100 A | 20 ms | 800 mOhms | 5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.035" (0.90mm) | - |
|
MPTS1812L110RPTC RESET FUSE 8V 1.1A 1812 |
4,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 8V | 1.1 A | 2.2 A | 100 A | 300 ms | 40 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.035" (0.90mm) | - |
|
MPTS1812L050PTC RESET FUSE 16V 0.5A 1812 |
4,000 | - |
|
Datasheet |
1812 (4532 Metric) | MPTS | Tape & Reel (TR) | Active | Polymeric | 16V | 500 mA | 1 A | 100 A | 150 ms | 150 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.030" (0.75mm) | - |
|
MPTS1812L26016RPTC RESET FUSE 16V 2.6A 1812 |
4,500 | - |
|
Datasheet |
1812 (4532 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 16V | 2.6 A | 5 A | 100 A | 5 s | 20 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |
|
FSMD110-16-RRESETTABLE FUSE - SMD, 1812 SIZE |
2,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 16V | 1.1 A | 2.2 A | 100 A | 500 ms | 60 mOhms | 180 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.035" (0.90mm) | - |
|
FSMD150-RRESETTABLE FUSE - SMD, 1812 SIZE |
2,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 8V | 1.5 A | 3 A | 100 A | 500 ms | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.022" (0.55mm) | - |
|
MPTS2920L075RPTC RESET FUSE 33V 0.75A 2920 |
2,000 | - |
|
Datasheet |
2920 (7351 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 33V | 750 mA | 1.5 A | 100 A | 300 ms | 180 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.045" (1.15mm) | - |
|
FSMD020-1206-RRESETTABLE FUSE - SMD, 1206 SIZE |
12,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | FSMD1206 | Tape & Reel (TR) | Active | - | 30V | 200 mA | 400 mA | 100 A | 100 ms | 600 mOhms | 2.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.030" (0.75mm) | - |
|
FSMD016-1206-RRESETTABLE FUSE - SMD, 1206 SIZE |
12,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | FSMD1206 | Tape & Reel (TR) | Active | - | 48V | 160 mA | 450 mA | 100 A | 300 ms | 1.1 Ohms | 5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.030" (0.75mm) | - |
|
FSMD035-1206-RRESETTABLE FUSE - SMD, 1206 SIZE |
12,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | FSMD1206 | Tape & Reel (TR) | Active | - | 16V | 350 mA | 750 mA | 100 A | 100 ms | 300 mOhms | 1.2 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.030" (0.75mm) | - |

