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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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TRF250-110U-B-0.5-2PTC RESET FUSE 60V 110MA RADIAL |
1,340 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 110 mA | 220 mA | 3 A | 750 ms | 5 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.209" Dia x 0.150" T (5.30mm x 3.80mm) | 0.370" (9.40mm) | - | 0.197" (5.00mm) |
|
MF-NSML175/6-2PTC RESET FUSE 6V 1.75A 1206 |
4,980 | - |
|
Datasheet |
1206 (3216 Metric), Concave | Multifuse®, MF-NSML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 1.75 A | 3.5 A | 50 A | 5 s | 6 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.028" (0.70mm) | - |
|
MF-NSML450/6-2PTC RESET FUSE 6V 4.5A 1206 |
3,360 | - |
|
Datasheet |
1206 (3216 Metric), Concave | Multifuse®, MF-NSML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 4.5 A | 9 A | 50 A | 2 s | 2 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.039" (1.00mm) | - |
|
MF-RM016/240-0PTC RESET FUSE 240V 160MA RADIAL |
2,955 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RM | Bulk | Active | Polymeric | 240V (265V Int) | 160 mA | 370 mA | 2 A | 15 s | 2.5 Ohms | 7.8 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.390" Dia x 0.150" T (9.90mm x 3.80mm) | 0.543" (13.80mm) | - | 0.114" (2.90mm) |
|
MF-RM033/240-0PTC RESET FUSE 240V 330MA RADIAL |
2,871 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RM | Bulk | Active | Polymeric | 240V (265V Int) | 330 mA | 740 mA | 4.5 A | 21 s | 770 mOhms | 2.6 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.150" W (11.40mm x 3.80mm) | 0.787" (20.00mm) | - | 0.114" (2.90mm) |
|
PTSLR12106V400PTC RESET FUSE 6V 4A 1210 |
4,500 | - |
|
Datasheet |
1210 (3225 Metric), Concave | PTSLR1210 | Tape & Reel (TR) | Active | Polymeric | 6V | 4 A | 8 A | 50 A | 2 s | 2 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
|
ASMD150F-2PTC RESET FUSE 16V 1.27A 2SMD |
4,398 | - |
|
Datasheet |
2-SMD | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 1.27 A | 2.95 A | 40 A | 25 s | 49 mOhms | 250 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.343" L x 0.250" W (8.70mm x 6.36mm) | - | 0.118" (3.00mm) | - |
|
|
MF-SM013/250V-0PTC RESET FUSE 60V 130MA 2SMD |
1,762 | - |
|
Datasheet |
2-SMD | Multifuse®, MF-SM/250V | Bulk | Active | Polymeric | 60V (250V Int) | 130 mA | - | 3 A | - | 4 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.350" L x 0.283" W (8.90mm x 7.20mm) | - | 0.402" (10.20mm) | - |
|
MF-R250-0-14PTC RESETTABLE 2.5A 30V RADIAL L |
4,500 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
MF-R250-2-10PTC RESET FUSE 30V 2.5A RADIAL |
3,506 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Cut Tape (CT) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
MF-R250-APPTC RESET FUSE 30V 2.5A RADIAL |
2,940 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Cut Tape (CT) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
MF-SMHT136-2PTC RESET FUSE 16V 1.36A 2SMD |
2,573 | - |
|
Datasheet |
2-SMD | Multifuse®, MF-SMHT | Tape & Reel (TR) | Active | Polymeric | 16V | 1.36 A | 2.72 A | 100 A | 10 s | 85 mOhms | 330 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.314" L x 0.264" W (7.98mm x 6.71mm) | - | 0.118" (3.00mm) | - |
|
PICOASMDC035S-2PPTC-MINI-PSW |
3,995 | - |
|
Datasheet |
0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 750 mA | 100 A | 200 ms | 350 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.027" (0.68mm) | - |
|
|
B59995C0120A051PTC RESET FUSE 30V 120MA RADIAL |
2,500 | - |
|
Datasheet |
Radial, Disc | B59995 | Tape & Reel (TR) | Active | Ceramic | 30V | 120 mA | 240 mA | 700 mA | - | - | - | 13 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.157" Dia x 0.138" T (4.00mm x 3.50mm) | 0.295" (7.50mm) | - | 0.197" (5.00mm) |
|
NANOASMDC050F/13.2-2PTC RESET FUSE 13.2V 500MA 1206 |
2,440 | - |
|
Datasheet |
1206 (3216 Metric), Concave | PolySwitch®, nanoASMD | Bulk | Active | Polymeric | 13.2V | 500 mA | 1.1 A | 70 A | 100 ms | 200 mOhms | 750 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.59mm) | - | 0.029" (0.74mm) | - |
|
|
TRF250-120UAPTC RESET FUSE 60V 120MA RADIAL |
1,695 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 1 s | 6 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" L x 0.150" W (6.00mm x 3.80mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
MF-RM025/240-2PTC RESET FUSE 240V 250MA RADIAL |
11,535 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RM | Tape & Reel (TR) | Active | Polymeric | 240V (265V Int) | 250 mA | 560 mA | 3.5 A | 18.5 s | 1.3 Ohms | 3.8 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.394" L x 0.150" W (10.00mm x 3.80mm) | 0.787" (20.00mm) | - | 0.114" (2.90mm) |
|
PICOASMDC110S-2PPTC-MINI-PSW |
2,580 | - |
|
Datasheet |
0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 1.1 A | 2.2 A | 40 A | 200 ms | 50 mOhms | 170 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.047" (1.20mm) | - |
|
PTSLR12066V600PTC RESET FUSE 6A 6V 1206 |
3,583 | - |
|
Datasheet |
1206 (3216 Metric), Concave | PTSLR1206 | Tape & Reel (TR) | Active | - | 6V | 6 A | 12 A | 50 A | 5 s | 1 mOhms | 10 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.138" L x 0.071" W (3.50mm x 1.80mm) | - | 0.039" (1.00mm) | - |
|
PTSLR12066V700PTC RESET FUSE 7A 6V 1206 |
3,439 | - |
|
Datasheet |
1206 (3216 Metric), Concave | PTSLR1206 | Tape & Reel (TR) | Active | - | 6V | 7 A | 14 A | 50 A | 5 s | 1 mOhms | 8 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.138" L x 0.071" W (3.50mm x 1.80mm) | - | 0.051" (1.30mm) | - |
