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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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YQS5855PTFPTC RESET FUSE 50V 80MA RADIAL |
6,760 | - |
|
Datasheet |
Radial, Disc | PTF | Bulk | Active | Ceramic | 50V | 80 mA | 170 mA | - | - | - | - | 50 Ohms | 10°C ~ 55°C | - | - | - | Through Hole | 0.449" Dia x 0.201" T (11.40mm x 5.10mm) | 0.512" (13.00mm) | - | 0.197" (5.00mm) |
|
|
YQS5925PTOPTC RESET FUSE 240V RADIAL DISC |
9,011 | - |
|
Datasheet |
Radial, Disc | PTO | Bulk | Active | Ceramic | 240V | - | - | - | - | - | - | 100 Ohms | 10°C ~ 55°C | - | - | - | Through Hole | 0.650" Dia x 0.270" T (16.51mm x 6.86mm) | 0.728" (18.50mm) | - | 0.348" (8.83mm) |
|
TS600-200F-RA-B-0.5-2PTC RESET FUSE 60V 200MA 2SMD |
6,772 | - |
|
Datasheet |
2-SMD | PolySwitch®, TS600 | Tape & Reel (TR) | Active | Polymeric | 60V (600V Int) | 200 mA | 400 mA | 3 A | 10 s | 4 Ohms | 13.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.742" L x 0.297" W (18.85mm x 7.55mm) | - | 0.484" (12.30mm) | - |
|
|
YQS5878PTFPTC RESET FUSE 240V 45MA RADIAL |
4,829 | - |
|
Datasheet |
Radial, Disc | PTF | Bulk | Active | Ceramic | 240V | 45 mA | 120 mA | - | - | - | - | 250 Ohms | 10°C ~ 55°C | - | - | - | Through Hole | 0.650" Dia x 0.272" T (16.50mm x 6.90mm) | 0.650" (16.50mm) | - | 0.374" (9.50mm) |
|
RUSBF185PTC RESET FUSE 16V 1.85A RADIAL |
9,831 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RUSBF | Bag | Active | Polymeric | 16V | 1.85 A | 3.7 A | 40 A | 10 s | 30 mOhms | 90 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" L x 0.118" W (10.20mm x 3.00mm) | 0.618" (15.70mm) | - | 0.199" (5.05mm) |
|
PTR030V0090-BKPTC RESET FUSE 30V 900MA RADIAL |
8,669 | - |
|
Datasheet |
Radial, Disc | PTR030V | 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) | - | 0.197" (5.00mm) |
|
PTR030V0090-BK1PTC RESET FUSE 30V 900MA RADIAL |
3,851 | - |
|
Datasheet |
Radial, Disc | PTR030V | 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) | - | 0.197" (5.00mm) |
|
PTR060V0010-BK1PTC RESET FUSE 60V 100MA RADIAL |
7,250 | - |
|
Datasheet |
Radial, Disc | PTR060V | Bulk | Active | Polymeric | 60V | 100 mA | 200 mA | 40 A | 4 s | 2.5 Ohms | 7.5 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.197" (5.00mm) |
|
PTR060V0017-BK1PTC RESET FUSE 60V 170MA RADIAL |
6,696 | - |
|
Datasheet |
Radial, Disc | PTR060V | Bulk | Active | Polymeric | 60V | 170 mA | 340 mA | 40 A | 3 s | 3.3 Ohms | 8 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.197" (5.00mm) |
|
PTR060V0020-BK1PTC RESET FUSE 60V 200MA RADIAL |
9,730 | - |
|
Datasheet |
Radial, Disc | PTR060V | Bulk | Active | Polymeric | 60V | 200 mA | 400 mA | 40 A | 2.2 s | 1.83 Ohms | 4.4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.480" (12.20mm) | - | 0.197" (5.00mm) |
|
PTR060V0025-BK1PTC RESET FUSE 60V 250MA RADIAL |
2,564 | - |
|
Datasheet |
Radial, Disc | PTR060V | Bulk | Active | Polymeric | 60V | 250 mA | 500 mA | 40 A | 2.5 s | 1.25 Ohms | 3 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.197" (5.00mm) |
|
PTR030V0110-BK1PTC RESET FUSE 30V 1.1A RADIAL |
5,629 | - |
|
Datasheet |
Radial, Disc | PTR030V | Bulk | Active | Polymeric | 30V | 1.1 A | 2.2 A | 40 A | 6.6 s | 50 mOhms | 170 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.559" (14.20mm) | - | 0.197" (5.00mm) |
|
PTR030V0135-BK1PTC RESET FUSE 30V 1.35A RADIAL |
2,453 | - |
|
Datasheet |
Radial, Disc | PTR030V | Bulk | Active | Polymeric | 30V | 1.35 A | 2.7 A | 40 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) | - | 0.197" (5.00mm) |
|
PTR016V0300-BK1PTC RESET FUSE 16V 3A RADIAL |
9,379 | - |
|
Datasheet |
Radial, Disc | PTR016V | Bulk | Active | Polymeric | 16V | 3 A | 5.1 A | 100 A | 1 s | 38 mOhms | 98 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.280" L x 0.122" W (7.10mm x 3.10mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
|
PTR060V0030-BK1PTC RESET FUSE 60V 300MA RADIAL |
5,539 | - |
|
Datasheet |
Radial, Disc | PTR060V | Bulk | Active | Polymeric | 60V | 300 mA | 600 mA | 40 A | 3 s | 880 mOhms | 2.1 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.512" (13.00mm) | - | 0.197" (5.00mm) |
|
PTR060V0040-BK1PTC RESET FUSE 60V 400MA RADIAL |
5,556 | - |
|
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) |
|
PTR060V0075-BK1PTC RESET FUSE 60V 750MA RADIAL |
9,164 | - |
|
Datasheet |
Radial, Disc | PTR060V | Bulk | Active | Polymeric | 60V | 750 mA | 1.5 A | 40 A | 6.3 s | 250 mOhms | 600 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.598" (15.20mm) | - | 0.197" (5.00mm) |
|
BK250-080-DZPTC RESET FUSE 250V 80MA RAD |
3,151 | - |
|
Datasheet |
Radial, Disc | BK250 | Bulk | Active | Polymeric | 250V | 80 mA | 160 mA | 3 A | 5 s | 10 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.181" T (7.40mm x 4.60mm) | 0.571" (14.50mm) | - | 0.201" (5.10mm) |
|
PTR016V0400-BK1PTC RESET FUSE 16V 4A RADIAL |
2,266 | - |
|
Datasheet |
Radial, Disc | PTR016V | Bulk | Active | Polymeric | 16V | 4 A | 6.8 A | 100 A | 1.7 s | 21 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.122" W (8.90mm x 3.10mm) | 0.583" (14.80mm) | - | 0.197" (5.00mm) |
|
PTR030V0160-BKPTC RESET FUSE 30V 1.6A RADIAL |
7,875 | - |
|
Datasheet |
Radial, Disc | PTR030V | 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) | - | 0.197" (5.00mm) |

