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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
0603L300SLYRPTC RESET FUSE 3.0A 6V 0603 |
2,032 | - |
|
Datasheet |
0603 (1608 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 3 A | 6 A | 50 A | 5 s | 3 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.031" W (1.60mm x 0.80mm) | - | 0.039" (1.00mm) | - |
|
0ZCK0010AF2GPTC RESET FUSE |
6,316 | - |
|
Datasheet |
0805 (2012 Metric), Concave | 0ZCK | Tape & Reel (TR) | Active | Polymeric | 24V | 100 mA | 300 mA | 100 A | 1.5 s | 700 mOhms | 6 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.039" (1.00mm) | - |
|
|
SMD1812B035TF/30PTC RESET FUSE 30V 350MA 1812 |
7,481 | - |
|
Datasheet |
1812 (4532 Metric), Concave | SMD1812 | 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) | - |
|
BK60-050-DIPTC RESET FUSE 60V 500MA RAD |
8,459 | - |
|
Datasheet |
Radial, Disc | BK60 | Bulk | Active | Polymeric | 60V | 500 mA | 1 A | 40 A | 4 s | 350 mOhms | 850 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.295" Dia x 0.122" T (7.50mm x 3.10mm) | 0.571" (14.50mm) | - | 0.201" (5.10mm) |
|
0ZCH0150FF2EPTC RESET FUSE 6V 1.5A 1210 |
82 | - |
|
Datasheet |
1210 (3225 Metric), Concave | 0ZCH | Tape & Reel (TR) | Active | Polymeric | 6V | 1.5 A | 3 A | 100 A | 500 ms | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.035" (0.90mm) | - |
|
|
SMD2016B075TFPTC RESET FUSE 60V 750MA 2016 |
9,852 | - |
|
Datasheet |
2016 (5041 Metric), Concave | SMD2016 | Tape & Reel (TR) | Active | Polymeric | 60V | 750 mA | 1.55 A | 20 A | 500 ms | 130 mOhms | 900 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.160" W (5.08mm x 4.07mm) | - | 0.089" (2.25mm) | - |
|
|
PFRA.090PTC RESET FUSE 60V 900MA RADIAL |
13 | - |
|
Datasheet |
Radial, Disc | PFRA | Bulk | Active | Polymeric | 60V | 900 mA | 1.8 A | 40 A | 7.2 s | 140 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.461" Dia x 0.122" T (11.70mm x 3.10mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
|
|
30R090UUPTC RESET FUSE 30V 900MA RADIAL |
57 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 30R | Bulk | Active | Polymeric | 30V | 900 mA | 1.8 A | 40 A | 5.9 s | 70 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.480" (12.20mm) | - | 0.201" (5.10mm) |
|
0ZRE0008FF1CPTC RESET FUSE 240V 80MA RADIAL |
4 | - |
|
Datasheet |
Radial, Disc | 0ZRE | Box | Active | Polymeric | 240V | 80 mA | 190 mA | 1.5 A | 15 s | 7.4 Ohms | 26 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.327" L x 0.150" W (8.30mm x 3.80mm) | 0.421" (10.70mm) | - | 0.201" (5.10mm) |
|
RXEF050-1PTC RESET FUSE 72V 500MA RADIAL |
5,884 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RXEF | Bag | Active | Polymeric | 72V | 500 mA | 1 A | 40 A | 4 s | 500 mOhms | 1.17 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.118" T (7.90mm x 3.00mm) | 0.539" (13.70mm) | - | 0.199" (5.05mm) |
|
MF-FSML100/8-2PTC RESET FUSE 8V 1A 0603 |
5,865 | - |
|
Datasheet |
0603 (1608 Metric), Concave | Multifuse®, MF-FSML | Tape & Reel (TR) | Active | Polymeric | 8V | 1 A | 2 A | 50 A | 2 s | 40 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.028" (0.70mm) | - |
|
RUEF400KPTC RESET FUSE 30V 4A RADIAL |
23 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RUEF | Bag | Active | Polymeric | 30V | 4 A | 8 A | 100 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.118" W (14.00mm x 3.00mm) | 0.839" (21.30mm) | - | 0.199" (5.05mm) |
|
0ZTK0010FF2GPTC RESET FUSE 16V 100MA 0805 |
9,675 | - |
|
Datasheet |
0805 (2012 Metric), Concave | 0ZTK | Tape & Reel (TR) | Active | Polymeric | 16V | 100 mA | 600 mA | 40 A | 1.5 s | 1 Ohms | 12 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.031" (0.80mm) | - |
|
|
0ZRR0300FF1APTC RESET FUSE 60V 3A RADIAL |
4,779 | - |
|
Datasheet |
Radial, Disc | 0ZRR | Bulk | Active | Polymeric | 60V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.980" Dia x 0.122" T (24.90mm x 3.10mm) | 1.181" (30.00mm) | - | 0.402" (10.20mm) |
|
LVR012KPTC RESET FUSE 240V 120MA RADIAL |
8,872 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, LVR | Bag | Active | Polymeric | 240V (265V Int) | 120 mA | 300 mA | 1.2 A | 15 s | 3 Ohms | 12 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.327" Dia x 0.150" T (8.30mm x 3.80mm) | 0.508" (12.90mm) | - | 0.200" (5.08mm) |
|
MF-R800PTC RESET FUSE 30V 8A RADIAL |
4,022 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 30V | 8 A | 16 A | 40 A | 18.8 s | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.953" L x 0.118" W (24.20mm x 3.00mm) | 1.295" (32.90mm) | - | 0.402" (10.20mm) |
|
MF-USML300/12-2PTC RESET FUSE 12V 3A 1210 |
7,494 | - |
|
Datasheet |
1210 (3225 Metric), Concave | Multifuse®, MF-USML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 3 A | 6 A | 50 A | 5 s | 3 mOhms | 24 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
|
30R160UUPTC RESET FUSE 30V 1.6A RADIAL |
7,404 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 30R | Bulk | Active | Polymeric | 30V | 1.6 A | 3.2 A | 40 A | 8 s | 30 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
|
MF-RM055/240-0PTC RESET FUSE 240V 550MA RADIAL |
16 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RM | Bulk | Active | Polymeric | 240V (265V Int) | 550 mA | 1.25 A | 7 A | 26 s | 450 mOhms | 1.45 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.161" W (14.00mm x 4.10mm) | 0.882" (22.40mm) | - | 0.114" (2.90mm) |
|
ASMDC050F-2PTC RESET FUSE 60V 500MA 2SMD |
4,540 | - |
|
Datasheet |
2-SMD | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 60V | 500 mA | 1 A | 10 A | 4 s | 150 mOhms | 1.2 Ohms | - | - | Automotive | AEC-Q200 | - | Surface Mount | 0.295" L x 0.201" W (7.50mm x 5.10mm) | - | 0.035" (0.90mm) | - |

