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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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PTR060V0040-BKPTC RESET FUSE 60V 400MA RADIAL |
7,621 | - |
|
Datasheet |
Radial, Disc | PTR060V | Bulk | Active | Polymeric | 60V | 400 mA | 800 mA | 40 A | 3.8 s | 550 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.299" Dia x 0.118" T (7.60mm x 3.00mm) | 0.532" (13.50mm) | - | 0.197" (5.00mm) |
|
PTR060V0185-BKPTC RESET FUSE 60V 1.85A RADIAL |
500 | - |
|
Datasheet |
Radial, Disc | PTR060V | Bulk | Active | Polymeric | 60V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.701" Dia x 0.118" T (17.80mm x 3.00mm) | 0.902" (22.90mm) | - | 0.197" (5.00mm) |
|
BK60-300-DZPTC RESET FUSE 60V 3A RAD |
200 | - |
|
Datasheet |
Radial, Disc | BK60 | Bulk | Active | Polymeric | 60V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 90 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.976" Dia x 0.122" T (24.80mm x 3.10mm) | 1.181" (30.00mm) | - | 0.413" (10.50mm) |
|
BK30-500-SZPTC RESET FUSE 30V 5A RAD |
454 | - |
|
Datasheet |
Radial, Disc | BK30 | Bulk | Active | Polymeric | 30V | 5 A | 10 A | 40 A | 14.5 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.122" W (14.00mm x 3.10mm) | 0.929" (23.60mm) | - | 0.413" (10.50mm) |
|
|
PFRY.110PTC RESET FUSE 72V 1.1A RADIAL |
637 | - |
|
Datasheet |
Radial, Disc | PFRY | Bulk | Active | Polymeric | 72V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.427" L x 0.118" W (10.84mm x 3.00mm) | 0.661" (16.80mm) | - | 0.201" (5.10mm) |
|
BK60-185-DZPTC RESET FUSE 60V 1.85A RAD |
1,000 | - |
|
Datasheet |
Radial, Disc | BK60 | Bulk | Active | Polymeric | 60V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 180 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.689" Dia x 0.122" T (17.50mm x 3.10mm) | 0.902" (22.90mm) | - | 0.201" (5.10mm) |
|
BK30-900-SZPTC RESET FUSE 30V 9A RAD |
190 | - |
|
Datasheet |
Radial, Disc | BK30 | Bulk | Active | Polymeric | 30V | 9 A | 18 A | 40 A | 20 s | 5 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.957" L x 0.122" W (24.30mm x 3.10mm) | 1.240" (31.50mm) | - | 0.413" (10.50mm) |
|
PTR060V0065-BKPTC RESET FUSE 60V 650MA RADIAL |
7,864 | - |
|
Datasheet |
Radial, Disc | PTR060V | Bulk | Active | Polymeric | 60V | 650 mA | 1.3 A | 40 A | 5.3 s | 310 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.382" Dia x 0.118" T (9.70mm x 3.00mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
|
|
PFRY.160PTC RESET FUSE 72V 1.6A RADIAL |
789 | - |
|
Datasheet |
Radial, Disc | PFRY | Bulk | Active | Polymeric | 72V | 1.6 A | 3.2 A | 40 A | 11.4 s | 90 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.549" L x 0.118" W (13.94mm x 3.00mm) | 0.783" (19.90mm) | - | 0.201" (5.10mm) |
|
PTR016V1200-BKPTC RESET FUSE 16V 12A RADIAL |
249 | - |
|
Datasheet |
Radial, Disc | PTR016V | Bulk | Active | Polymeric | 16V | 12 A | 20.4 A | 100 A | 7.5 s | 3 mOhms | 9 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.689" L x 0.122" W (17.50mm x 3.10mm) | 1.102" (28.00mm) | - | 0.394" (10.00mm) |
|
BK16-1400-SZPTC RESET FUSE 16V 14A RAD |
200 | - |
|
Datasheet |
Radial, Disc | BK16 | Bulk | Active | Polymeric | 16V | 14 A | 28 A | 100 A | 9 s | 3 mOhms | 8 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.945" L x 0.122" W (24.00mm x 3.10mm) | 1.220" (31.00mm) | - | 0.413" (10.50mm) |
|
MF-RHS350-0FUSE PTC RESET 3.5A 16V |
500 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RHS | Bulk | Active | Polymeric | 16V | 3.5 A | 7 A | 100 A | 4.5 s | 0.018 Ohms | 0.05 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.331" L x 0.118" W (8.40mm x 3.00mm) | 0.665" (16.90mm) | - | 0.201" (5.10mm) |
|
BK60-250-DZPTC RESET FUSE 60V 2.5A RAD |
329 | - |
|
Datasheet |
Radial, Disc | BK60 | Bulk | Active | Polymeric | 60V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.850" Dia x 0.122" T (21.60mm x 3.10mm) | 1.047" (26.60mm) | - | 0.413" (10.50mm) |
|
BK60-375-DZPTC RESET FUSE 60V 3.75A RAD |
126 | - |
|
Datasheet |
Radial, Disc | BK60 | Bulk | Active | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.071" Dia x 0.122" T (27.20mm x 3.10mm) | 1.260" (32.00mm) | - | 0.413" (10.50mm) |
|
|
PFRY.300PTC RESET FUSE 72V 3A RADIAL |
871 | - |
|
Datasheet |
Radial, Disc | PFRY | Bulk | Active | Polymeric | 72V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.814" L x 0.118" W (20.67mm x 3.00mm) | 0.937" (23.80mm) | - | 0.402" (10.20mm) |
|
BK600-150-SYPTC RESET FUSE 500V 150MA RAD |
485 | - |
|
Datasheet |
Radial, Disc | BK600 | Bulk | Active | Polymeric | 500V | 150 mA | 300 mA | 3 A | 6 s | 5 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.591" L x 0.256" W (15.00mm x 6.50mm) | 0.709" (18.00mm) | - | 0.201" (5.10mm) |
|
0ZAF0005FF28LINE VOLTAGE RATED SURFACE MOUNT |
550 | - |
|
Datasheet |
2920 (7351 Metric), Concave | - | Tape & Reel (TR) | Active | Polymeric | 240V (250V Int) | 50 mA | 120 mA | 1 A | 15 s | 10 Ohms | 70 Ohms | 55 Ohms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.102" (2.60mm) | - |
|
|
PFRA.500PTC RESET FUSE 30V 5A RADIAL |
952 | - |
|
Datasheet |
Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 5 A | 10 A | 40 A | 14.5 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.685" L x 0.118" W (17.40mm x 3.00mm) | 0.980" (24.90mm) | - | 0.402" (10.20mm) |
|
BK250-800-SZPTC RESET FUSE 250V 800MA RAD |
475 | - |
|
Datasheet |
Radial, Disc | BK250 | Bulk | Active | Polymeric | 250V | 800 mA | 1.6 A | 10 A | 18 s | 400 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.787" L x 0.181" W (20.00mm x 4.60mm) | 0.866" (22.00mm) | - | 0.201" (5.10mm) |
|
0ZAF0008FF28LINE VOLTAGE RATED SURFACE MOUNT |
159 | - |
|
Datasheet |
2920 (7351 Metric), Concave | - | Tape & Reel (TR) | Active | Polymeric | 240V (250V Int) | 80 mA | 190 mA | 1.2 A | 15 s | 6 Ohms | 25 Ohms | 16 Ohms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.102" (2.60mm) | - |

