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-LR380PTC RESET FUSE 15V 3.8A STRAP |
1,949 | - |
|
Datasheet |
Strap | Multifuse®, MF-LR | Bulk | Active | Polymeric | 15V | 3.8 A | 8.3 A | 100 A | 5 s | 13 mOhms | 37 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.283" W (25.00mm x 7.20mm) | - | 0.039" (1.00mm) | - |
|
PTCCL05H131EBEPTC RESET FUSE 60V 130MA RADIAL |
1,485 | - |
|
Datasheet |
Radial, Disc | PTCCL - 60V | Bulk | Active | Ceramic | 60V | 130 mA | 195 mA | 1.2 A | - | - | - | 25 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.197" Dia x 0.157" T (5.00mm x 4.00mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
0ZRV0025FF1B277 VAC RATED RADIAL LEAD PTC RE |
1,478 | - |
|
Datasheet |
Radial, Disc | 0ZRV | Bulk | Active | Ceramic | 277V (305V Int) | 250 mA | 560 mA | 2.5 A | 18.5 s | 1.3 Ohms | 4.3 Ohms | - | -20°C ~ 85°C | - | - | AEC-Q200 | Through Hole | 0.350" L x 0.150" W (8.90mm x 3.80mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
|
|
PFRA.1100PTC RESET FUSE 16V 11A RADIAL |
1,013 | - |
|
Datasheet |
Radial, Disc | PFRA | Bulk | Active | Polymeric | 16V | 11 A | 22 A | 100 A | 20 s | 3 mOhms | 10 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) |
|
|
TRF250-120S-B-0.5PTC RESET FUSE 60V 120MA RADIAL |
1,955 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 4 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
MF-LSMF330/12X-22920 RESETTABLE SMD PPTC 3.3A/12 |
2,409 | - |
|
Datasheet |
2920 (7351 Metric), Concave | Multifuse®, MF-LSMF | Tape & Reel (TR) | Active | Polymeric | 12V | 3.3 A | - | - | - | - | - | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | - | - |
|
PTCCL05H280HTEPTC RESET FUSE 265V 28MA RADIAL |
4,500 | - |
|
Datasheet |
Radial, Disc | PTCCL - 265V | Tape & Reel (TR) | Active | Ceramic | 265V | 28 mA | 42 mA | 200 mA | - | - | - | 500 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.197" Dia x 0.217" T (5.00mm x 5.50mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
MF-USHT075KX-2PTC RESET FUSE 16V 750MA 1210 |
2,458 | - |
|
Datasheet |
1210 (3225 Metric), Concave | Multifuse®, MF-USHT | Tape & Reel (TR) | Active | Polymeric | 16V | 750 mA | 3.75 A | 20 A | 5 s | 100 mOhms | 1 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
MF-LSMF300/16X-22920 RESETTABLE SMD PPTC 3.0A/16 |
4,527 | - |
|
Datasheet |
2920 (7351 Metric), Concave | Multifuse®, MF-LSMF | Tape & Reel (TR) | Active | Polymeric | 16V | 3 A | - | - | - | - | - | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | - | - |
|
MF-RHS750-0FUSE PTC RESET 7.5A 16V |
2,985 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RHS | Bulk | Active | Polymeric | 16V | 7.5 A | 15 A | 100 A | 7 s | 0.0073 Ohms | 0.0168 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.465" L x 0.118" W (11.80mm x 3.00mm) | 0.957" (24.30mm) | - | 0.201" (5.10mm) |
|
PTCCL09H191HBEPTC RESET FUSE 265V 190MA RADIAL |
1,597 | - |
|
Datasheet |
Radial, Disc | PTCCL - 265V | Bulk | Active | Ceramic | 265V | 190 mA | 285 mA | 1 A | - | - | - | 18 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.335" Dia x 0.217" T (8.50mm x 5.50mm) | 0.532" (13.50mm) | - | 0.197" (5.00mm) |
|
RHEF800PTC RESET FUSE 16V 8A RADIAL |
594 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RHEF | Bag | Active | Polymeric | 16V | 8 A | 15 A | 100 A | 8 s | 8 mOhms | 20 mOhms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 0.886" (22.50mm) | - | 0.199" (5.05mm) |
|
PTCCL07H321DBEPTC RESET FUSE 30V 320MA RADIAL |
10,199 | - |
|
Datasheet |
Radial, Disc | PTCCL - 30V | Bulk | Active | Ceramic | 30V | 320 mA | 480 mA | 3.5 A | - | - | - | 5 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.276" Dia x 0.157" T (7.00mm x 4.00mm) | 0.472" (12.00mm) | - | 0.197" (5.00mm) |
|
MF-NSHT075KX-2PTC RESET FUSE 12V 750MA 1206 |
2,954 | - |
|
Datasheet |
1206 (3216 Metric), Concave | Multifuse®, MF-NSHT | Tape & Reel (TR) | Active | Polymeric | 12V | 750 mA | 3 A | 40 A | 5 s | 80 mOhms | 700 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.047" (1.20mm) | - |
|
MF-FSHT010KX-20603 HIGH TEMP SMD POLYMER PTC 0 |
4,001 | - |
|
Datasheet |
0603 (1608 Metric), Concave | Multifuse®, MF-FSHT | Tape & Reel (TR) | Active | Polymeric | 12V | 100 mA | 500 mA | 40 A | 1.5 s | 900 mOhms | 8.5 Ohms | - | -40°C ~ 125°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.026" (0.65mm) | - |
|
MF-FSHT005KX-20603 HIGH TEMP SMD POLYMER PTC 0 |
3,291 | - |
|
Datasheet |
0603 (1608 Metric), Concave | Multifuse®, MF-FSHT | Tape & Reel (TR) | Active | Polymeric | 12V | 50 mA | 250 mA | 40 A | 1.5 s | 1.5 Ohms | 30 Ohms | - | -40°C ~ 125°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.026" (0.65mm) | - |
|
MF-LSMF330/16X-22920 RESETTABLE SMD PPTC 3.3A/16 |
2,942 | - |
|
Datasheet |
2920 (7351 Metric), Concave | Multifuse®, MF-LSMF | Tape & Reel (TR) | Active | Polymeric | 16V | 3.3 A | - | - | - | - | - | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | - | - |
|
MF-LSMF600/12X-22920 RESETTABLE SMD PPTC 6.0A/12 |
2,735 | - |
|
Datasheet |
2920 (7351 Metric), Concave | Multifuse®, MF-LSMF | Tape & Reel (TR) | Active | Polymeric | 12V | 6 A | - | - | - | - | - | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | - | - |
|
MF-MSHT110KX-21812 HIGH TEMP SMD POLYMER PTC 1 |
1,948 | - |
|
Datasheet |
1812 (4532 Metric), Concave | Multifuse® MF-MSHT | Tape & Reel (TR) | Active | Polymeric | 16V | 1.1 A | 5.5 A | 40 A | 5 s | 50 mOhms | 450 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.047" (1.20mm) | - |
|
MF-MSHT050KX-21812 HIGH TEMP SMD POLYMER PTC 0 |
1,187 | - |
|
Datasheet |
1812 (4532 Metric), Concave | Multifuse® MF-MSHT | Tape & Reel (TR) | Active | Polymeric | 30V | 500 mA | 2.5 A | 40 A | 100 ms | 180 mOhms | 1.6 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.033" (0.85mm) | - |

