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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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FSMD012-1206-RRESETTABLE FUSE - SMD, 1206 SIZE |
12,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | FSMD1206 | Tape & Reel (TR) | Active | - | 48V | 120 mA | 390 mA | 100 A | 200 ms | 1.4 Ohms | 6.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.033" (0.85mm) | - |
|
FSMD050-0805RRESETTABLE FUSE - SMD, 0805 SIZE |
12,000 | - |
|
Datasheet |
0805 (2012 Metric), Concave | FSMD0805 | Tape & Reel (TR) | Active | - | 6V | 500 mA | 1 A | 100 A | 100 ms | 150 mOhms | 850 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.049" (1.25mm) | - |
|
FSMD005-1206-RRESETTABLE FUSE - SMD, 1206 SIZE |
12,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | FSMD1206 | Tape & Reel (TR) | Active | - | 60V | 50 mA | 150 mA | 100 A | 1.5 s | 3.6 Ohms | 50 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.033" (0.85mm) | - |
|
FSMD110-1206RRESETTABLE FUSE - SMD, 1206 SIZE |
3,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | FSMD1206 | Tape & Reel (TR) | Active | - | 8V | 1.1 A | 2.2 A | 100 A | 300 ms | 40 mOhms | 180 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.039" (1.00mm) | - |
|
FSMD100-1206RRESETTABLE FUSE - SMD, 1206 SIZE |
3,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | FSMD1206 | Tape & Reel (TR) | Active | - | 6V | 1 A | 1.8 A | 100 A | 300 ms | 55 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.039" (1.00mm) | - |
|
FSMD125-16RRESETTABLE FUSE - SMD, 1812 SIZE |
1,500 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 16V | 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) | - | 0.039" (1.00mm) | - |
|
MPTR60V050PTC RESET FUSE 60V 0.5A RADIAL |
2,000 | - |
|
Datasheet |
Radial, Disc | MPTR | Bulk | Active | Polymeric | 60V | 500 mA | 1 A | 40 A | 4 s | 500 mOhms | 1.17 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.122" T (7.90mm x 3.10mm) | 0.539" (13.70mm) | - | 0.201" (5.10mm) |
|
MPTS1206L050PTC RESET FUSE 8V 0.5A 1206 |
8,000 | - |
|
Datasheet |
1206 (3216 Metric) | MPTS | Tape & Reel (TR) | Active | Polymeric | 8V | 500 mA | 1 A | 100 A | 100 ms | 150 mOhms | 700 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.022" (0.55mm) | - |
|
MPTS1206L025RPTC RESET FUSE 16V 0.25A 1206 |
3,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 16V | 250 mA | 500 mA | 100 A | 80 ms | 550 mOhms | 2.3 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.030" (0.75mm) | - |
|
MPTS2920L125RPTC RESET FUSE 33V 1.25A 2920 |
2,000 | - |
|
Datasheet |
2920 (7351 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 33V | 1.25 A | 2.5 A | 100 A | 2 s | 50 mOhms | 250 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.039" (1.00mm) | - |
|
FSMD075-33RRESETTABLE FUSE - SMD, 1812 SIZE |
10,500 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 33V | 750 mA | 1.5 A | 100 A | 200 ms | 110 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |
|
FSMD260RRESETTABLE FUSE - SMD, 1812 SIZE |
2,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 8V | 2.6 A | 5 A | 100 A | 2.5 s | 15 mOhms | 47 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.047" (1.20mm) | - |
|
FSMD160-12RRESETTABLE FUSE - SMD, 1812 SIZE |
2,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 12V | 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) | - | 0.053" (1.35mm) | - |
|
FSMD160-16RRESETTABLE FUSE - SMD, 1812 SIZE |
2,000 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 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) | - | 0.053" (1.35mm) | - |
|
FSMD075-24RRESETTABLE FUSE - SMD, 1812 SIZE |
1,500 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 24V | 750 mA | 1.5 A | 100 A | 200 ms | 110 mOhms | 290 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |
|
FSMD010-1206-RRESETTABLE FUSE - SMD, 1206 SIZE |
9,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | FSMD1206 | Tape & Reel (TR) | Active | - | 60V | 100 mA | 250 mA | 100 A | 1 s | 1.6 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.033" (0.85mm) | - |
|
FSMD110-0805RRESETTABLE FUSE - SMD, 0805 SIZE |
3,000 | - |
|
Datasheet |
0805 (2012 Metric), Concave | FSMD0805 | Tape & Reel (TR) | Active | - | 6V | 1.1 A | 2.2 A | 100 A | 200 ms | 50 mOhms | 200 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.071" (1.80mm) | - |
|
FSMD200-24-2920-RRESETTABLE FUSE - SMD, 2920 SIZE |
2,000 | - |
|
Datasheet |
2920 (7351 Metric), Concave | FSMD2920 | Tape & Reel (TR) | Active | - | 24V | 2 A | 4 A | 100 A | 5 s | 35 mOhms | 120 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.031" (0.80mm) | - |
|
FSMD200-1206RRESETTABLE FUSE - SMD, 1206 SIZE |
2,000 | - |
|
Datasheet |
1206 (3216 Metric), Concave | FSMD1206 | Tape & Reel (TR) | Active | - | 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) | - |
|
FSMD300RRESETTABLE FUSE - SMD, 1812 SIZE |
1,500 | - |
|
Datasheet |
1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 6V | 3 A | 5 A | 100 A | 4 s | 12 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |

