Available 24/7 at
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MF-LSMF500/16X-22920 RESETTABLE SMD PPTC 5.0A/16 |
2,713 | - |
|
Datasheet |
2920 (7351 Metric), Concave | Multifuse®, MF-LSMF | Tape & Reel (TR) | Active | Polymeric | 16V | 5 A | - | - | - | - | - | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | - | - |
|
PTCTL8NR100HBEPTC RESET FUSE 250V 100MA RADIAL |
600 | - |
|
Datasheet |
Radial, Disc | - | Bulk | Active | Ceramic | 250V | 100 mA | 450 mA | 10 A | 40 s | - | - | 10 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.535" Dia x 0.236" T (13.60mm x 6.00mm) | 0.732" (18.60mm) | - | 0.197" (5.00mm) |
|
1206L150SLYRPTC RESET FUSE 6V 1.5A 1206 |
10,983 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 1.5 A | 3.9 A | 50 A | 300 ms | 10 mOhms | 65 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.028" (0.70mm) | - |
|
0805L200SLTHYRPTC RESET FUSE 6V 2A 0805 |
10,219 | - |
|
Datasheet |
0805 (2012 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 2 A | 4 A | 50 A | 1 s | 5 mOhms | 45 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.030" (0.75mm) | - |
|
0603L200SL-VYRPTC RESET FUSE 2.0A 6V 0603 |
7,435 | - |
|
Datasheet |
0603 (1608 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 2 A | 4 A | 50 A | 1 s | 5 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.031" W (1.60mm x 0.80mm) | - | 0.039" (1.00mm) | - |
|
1206L380SLTHYRPTC RESET FUSE 6V 2.82A 1206 |
6,840 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 2.82 A | 8 A | 50 A | 5 s | 2 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.028" (0.70mm) | - |
|
1206L200SLYRPTC RESET FUSE 6V 2A 1206 |
5,032 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 2 A | 4 A | 50 A | 500 ms | 5 mOhms | 25 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.024" (0.60mm) | - |
|
|
1210L300SLWRPTC RESET FUSE 6V 3A 1210 |
983 | - |
|
Datasheet |
1210 (3225 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 3 A | 6 A | 50 A | 2 s | 3 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.028" (0.70mm) | - |
|
B59115P1080A062PTC RESET FUSE 80V 40MA 3225 |
20,959 | - |
|
Datasheet |
3225 (8063 Metric) | B59115 | Tape & Reel (TR) | Active | Ceramic | 80V | 40 mA | 85 mA | 700 mA | - | - | - | 55 Ohms | -40°C ~ 60°C | Automotive | AEC-Q200 | - | Surface Mount | 0.315" L x 0.248" W (8.00mm x 6.30mm) | - | 0.150" (3.80mm) | - |
|
B59215P1080A062PTC RESET FUSE 80V 65MA 3225 |
20,079 | - |
|
Datasheet |
3225 (8063 Metric) | B59215 | Tape & Reel (TR) | Active | Ceramic | 80V | 65 mA | 135 mA | 1 A | - | - | - | 25 Ohms | -40°C ~ 60°C | Automotive | AEC-Q200 | - | Surface Mount | 0.315" L x 0.248" W (8.00mm x 6.30mm) | - | 0.150" (3.80mm) | - |
|
B59101P1120A062PTC RESET FUSE 24V 355MA 2SMD |
6,743 | - |
|
Datasheet |
2-SMD | B59101 | Tape & Reel (TR) | Active | Ceramic | 24V | 355 mA | - | 170 mA | - | 7.8 Ohms | 13 Ohms | - | -40°C ~ 60°C | Automotive | AEC-Q200 | - | Surface Mount | 0.398" L x 0.138" W (10.10mm x 3.50mm) | - | 0.150" (3.80mm) | - |
|
B59201P1080A062PTC RESET FUSE 30V 165MA 3225 |
1,952 | - |
|
Datasheet |
3225 (8063 Metric) | B59201 | Tape & Reel (TR) | Active | Ceramic | 30V | 165 mA | 340 mA | 1 A | - | - | - | 4.6 Ohms | -40°C ~ 60°C | Automotive | AEC-Q200 | - | Surface Mount | 0.315" L x 0.248" W (8.00mm x 6.30mm) | - | 0.150" (3.80mm) | - |
|
1812L300MRPTC RESET FUSE 6V 3A 1812 |
3,520 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 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) | - | 0.059" (1.50mm) | - |
|
1812L010/60DRPTC RESET FUSE 60V 100MA 1812 |
2,081 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 60V | 100 mA | 300 mA | 10 A | 1.5 s | 1.6 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.049" (1.25mm) | - |
|
CL20 250120PTC RESET FUSE 480V 300MA RADIAL |
3,601 | - |
|
Datasheet |
Radial, Disc | - | Bulk | Active | - | 480V | 300 mA | 600 mA | - | - | - | - | 25 Ohms | - | - | - | - | Through Hole | 0.866" Dia x 0.236" T (22.00mm x 6.00mm) | - | - | 0.307" (7.80mm) |
|
|
B59940C0120A070PTC RESET FUSE 80V 450MA RADIAL |
580 | - |
|
Datasheet |
Radial, Disc | B59940 | Bulk | Active | Ceramic | 80V | 450 mA | 900 mA | 8 A | - | - | - | 2.3 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.866" Dia x 0.138" T (22.00mm x 3.50mm) | 1.004" (25.50mm) | - | 0.197" (5.00mm) |
|
0805L150/12SLYRLOW RHO SMD |
2,719 | - |
|
Datasheet |
0805 (2012 Metric), Concave | PolySwitch® Low Rho | Tape & Reel (TR) | Active | Polymeric | 12V | 1.5 A | 3 A | 50 A | 500 ms | 7 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.030" (0.75mm) | - |
|
0603L003/36YR-APTC 36V POLYFUSE SMD 0603 .030A |
2,299 | - |
|
Datasheet |
0603 (1608 Metric), Concave | POLY-FUSE®, 0603L | Tape & Reel (TR) | Active | Polymeric | 36V | 30 mA | 90 mA | 40 A | 1 s | 6 Ohms | 50 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.031" W (1.60mm x 0.80mm) | - | 0.039" (1.00mm) | - |
|
2920L330/24MR-APTC RESET FUSE 24V 3.3A 2920 |
2,007 | - |
|
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) | - |
|
AHEF1000PTC RESET FUSE 32V 10A RADIAL |
579 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, AHEF | Bag | Active | Polymeric | 32V | 10 A | 20 A | 100 A | 15 s | 6 mOhms | 16 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.925" L x 0.157" W (23.50mm x 4.00mm) | 1.098" (27.90mm) | - | 0.400" (10.15mm) |

