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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
1206L035/16YRPTC RESET FUSE 16V 350MA 1206 |
49,166 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 16V | 350 mA | 750 mA | 100 A | 100 ms | 300 mOhms | 1.2 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.030" (0.75mm) | - |
|
1206L020YRPTC RESET FUSE 24V 200MA 1206 |
25,381 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 24V | 200 mA | 420 mA | 100 A | 100 ms | 650 mOhms | 2.6 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.039" (1.00mm) | - |
|
1812L010DRPTC RESET FUSE 30V 100MA 1812 |
20,631 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 30V | 100 mA | 300 mA | 100 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) | - |
|
MF-FSML200/6-2PTC RESET FUSE 6V 2A 0603 |
19,554 | - |
|
Datasheet |
0603 (1608 Metric), Concave | Multifuse®, MF-FSML | Tape & Reel (TR) | Active | Polymeric | 6V | 2 A | 4 A | 50 A | 5 s | 6 mOhms | 65 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.055" (1.40mm) | - |
|
1206L050/15YRPTC RESET FUSE 15V 500MA 1206 |
19,439 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 15V | 500 mA | 1 A | 100 A | 100 ms | 150 mOhms | 750 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.030" (0.75mm) | - |
|
0ZCJ0200FF2CPTC RESET FUSE 6V 2A 1206 |
17,747 | - |
|
Datasheet |
1206 (3216 Metric), Concave | 0ZCJ | Tape & Reel (TR) | Active | Polymeric | 6V | 2 A | 3.5 A | 100 A | 1.5 s | 18 mOhms | 80 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.063" (1.60mm) | - |
|
1206L025YRPTC RESET FUSE 16V 250MA 1206 |
12,556 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | 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 | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.039" (1.00mm) | - |
|
|
MF-SM185/33-2PTC RESET FUSE 33V 1.8A 2SMD |
2,483 | - |
|
Datasheet |
2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 33V | 1.8 A | 3.6 A | 40 A | 5 s | 40 mOhms | 150 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.344" L x 0.264" W (8.75mm x 6.71mm) | - | 0.118" (3.00mm) | - |
|
1206L050YRPTC RESET FUSE 6V 500MA 1206 |
10,863 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 6V | 500 mA | 1 A | 100 A | 100 ms | 150 mOhms | 700 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.030" (0.75mm) | - |
|
1812L020PRPTC RESET FUSE 30V 200MA 1812 |
10,628 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | 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) | - | 0.039" (1.00mm) | - |
|
RUEF135PTC RESET FUSE 30V 1.35A RADIAL |
5,699 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RUEF | Bag | Active | Polymeric | 30V | 1.35 A | 2.7 A | 100 A | 7.3 s | 40 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.532" (13.50mm) | - | 0.199" (5.05mm) |
|
1206L075/13.2WRPTC RESET FUSE 13.2V 750MA 1206 |
3,266 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 13.2V | 750 mA | 1.5 A | 100 A | 200 ms | 90 mOhms | 350 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.049" (1.25mm) | - |
|
MF-MSMF050/40X-2PTC RESET FUSE 40V 500MA 1812 |
15,312 | - |
|
Datasheet |
1812 (4532 Metric), Concave | Multifuse®, MF-MSMF | Tape & Reel (TR) | Active | Polymeric | 40V | 500 mA | 1 A | 20 A | 200 ms | 150 mOhms | 1.3 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.033" (0.85mm) | - |
|
1812L050PRPTC RESET FUSE 15V 500MA 1812 |
14,038 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 15V | 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) | - |
|
RXEF075PTC RESET FUSE 72V 750MA RADIAL |
4,430 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RXEF | Bag | Active | Polymeric | 72V | 750 mA | 1.5 A | 40 A | 6.3 s | 250 mOhms | 600 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" Dia x 0.118" T (10.20mm x 3.00mm) | 0.598" (15.20mm) | - | 0.199" (5.05mm) |
|
RUEF185PTC RESET FUSE 30V 1.85A RADIAL |
24,331 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RUEF | Bag | Active | Polymeric | 30V | 1.85 A | 3.7 A | 100 A | 8.7 s | 30 mOhms | 90 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" Dia x 0.118" T (10.20mm x 3.00mm) | 0.618" (15.70mm) | - | 0.199" (5.05mm) |
|
MF-R400PTC RESET FUSE 30V 4A RADIAL |
14,893 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Bulk | 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) |
|
1210L010WRPTC RESET FUSE 30V 100MA 1210 |
10,644 | - |
|
Datasheet |
1210 (3225 Metric), Concave | POLY-FUSE®, 1210L | Tape & Reel (TR) | Active | Polymeric | 30V | 100 mA | 300 mA | 10 A | 1.5 s | 1.6 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.049" (1.25mm) | - |
|
0ZRE0016FF1CPTC RESET FUSE 240V 160MA RADIAL |
36,828 | - |
|
Datasheet |
Radial, Disc | 0ZRE | Box | Active | Polymeric | 240V | 160 mA | 370 mA | 2 A | 15 s | 2.5 Ohms | 7.8 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.390" L x 0.150" W (9.90mm x 3.80mm) | 0.492" (12.50mm) | - | 0.201" (5.10mm) |
|
1210L020WRPTC RESET FUSE 30V 200MA 1210 |
36,009 | - |
|
Datasheet |
1210 (3225 Metric), Concave | POLY-FUSE®, 1210L | Tape & Reel (TR) | Active | Polymeric | 30V | 200 mA | 400 mA | 10 A | 20 ms | 800 mOhms | 5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |

