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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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RLD60P375XFPTC RESET FUSE 60V 3.75A RADIAL |
9,017 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, RLD60 | Tape & Box (TB) | Obsolete | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.118" Dia x 0.122" T (28.40mm x 3.10mm) | 1.319" (33.50mm) | - | 0.402" (10.20mm) |
|
|
AHR1000PTC RESET FUSE 16V 10A RADIAL |
3,609 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, AHR | Bulk | Obsolete | Polymeric | 16V | 10 A | 20.5 A | 100 A | 10.5 s | 5.1 mOhms | 10.5 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.689" L x 0.118" W (17.50mm x 3.00mm) | 1.043" (26.50mm) | - | 0.400" (10.15mm) |
|
RUSB155PTC RESET FUSE 6V 1.55A RADIAL |
4,996 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 6V | 1.55 A | 2.65 A | 40 A | 2.2 s | 40 mOhms | 100 mOhms | - | - | - | - | - | Through Hole | 0.272" Dia x 0.122" T (6.90mm x 3.10mm) | 0.461" (11.70mm) | - | 0.201" (5.10mm) |
|
RTE120PTC RESET FUSE 33V 1.2A RADIAL |
4,154 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 33V | 1.2 A | 2.3 A | 40 A | 3.5 s | 74 mOhms | 180 mOhms | - | - | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.480" (12.20mm) | - | 0.199" (5.05mm) |
|
RTE135PTC RESET FUSE 33V 1.35A RADIAL |
3,782 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 33V | 1.35 A | 2.5 A | 40 A | 4.5 s | 59 mOhms | 143 mOhms | - | - | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.559" (14.20mm) | - | 0.199" (5.05mm) |
|
RTE190PTC RESET FUSE 33V 1.9A RADIAL |
4,450 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 33V | 1.9 A | 3 A | 40 A | 3.5 s | 45 mOhms | 92 mOhms | - | - | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.532" (13.50mm) | - | 0.199" (5.05mm) |
|
MF-R055/90-0PTC RESET FUSE 90V 550MA RADIAL |
8,905 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R/90 | Bulk | Obsolete | Polymeric | 90V | 550 mA | 1.1 A | 10 A | 60 s | 450 mOhms | 2 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.429" Dia x 0.142" T (10.90mm x 3.60mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
|
MF-R055/90U-0PTC RESET FUSE 90V 550MA RADIAL |
5,176 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R/90 | Bulk | Obsolete | Polymeric | 90V | 550 mA | 1.1 A | 10 A | 28 s | 450 mOhms | 2 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.429" Dia x 0.142" T (10.90mm x 3.60mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
|
PFRA.017.3PTC RESET FUSE 60V 170MA RADIAL |
5,162 | - |
|
Datasheet |
Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | 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 0.122" T (7.40mm x 3.10mm) | 0.500" (12.70mm) | - | 0.201" (5.10mm) |
|
PFRA.025.3PTC RESET FUSE 60V 250MA RADIAL |
8,286 | - |
|
Datasheet |
Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 60V | 250 mA | 500 mA | 40 A | 2.5 s | 1 Ohms | 3 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.500" (12.70mm) | - | 0.201" (5.10mm) |
|
PFRA.010.3PTC RESET FUSE 60V 100MA RADIAL |
7,943 | - |
|
Datasheet |
Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | 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 0.122" T (7.40mm x 3.10mm) | 0.500" (12.70mm) | - | 0.201" (5.10mm) |
|
PFRA.090.3.009PTC RESET FUSE 30V 900MA RADIAL |
4,857 | - |
|
Datasheet |
Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 900 mA | 1.8 A | 40 A | 5.9 s | 70 mOhms | 220 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) |
|
PFRA.040.3PTC RESET FUSE 60V 400MA RADIAL |
6,457 | - |
|
Datasheet |
Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 60V | 400 mA | 800 mA | 40 A | 3.8 s | 520 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.539" (13.70mm) | - | 0.201" (5.10mm) |
|
PFRA.065.3PTC RESET FUSE 60V 650MA RADIAL |
7,715 | - |
|
Datasheet |
Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 60V | 650 mA | 1.3 A | 40 A | 5.3 s | 270 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.382" Dia x 0.122" T (9.70mm x 3.10mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
|
PFRA.050.3PTC RESET FUSE 60V 500MA RADIAL |
9,206 | - |
|
Datasheet |
Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 60V | 500 mA | 1 A | 40 A | 4 s | 410 mOhms | 1.17 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.122" T (7.90mm x 3.10mm) | 0.539" (13.70mm) | - | 0.201" (5.10mm) |
|
PFST.200PTC RESET FUSE 30V 2A STRAP |
4,885 | - |
|
Datasheet |
Strap | PFST | Bulk | Obsolete | Polymeric | 30V | 2 A | 4.4 A | 100 A | 4 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.880" L x 0.417" W (22.35mm x 10.60mm) | - | 0.043" (1.10mm) | - |
|
PFLT.180PTC RESET FUSE 24V 1.8A STRAP |
2,806 | - |
|
Datasheet |
Strap | PFLT | Bulk | Obsolete | Polymeric | 24V | 1.8 A | 3.8 A | 100 A | 2.9 s | 40 mOhms | 120 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.199" W (25.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
|
PFLT.190PTC RESET FUSE 24V 1.9A STRAP |
5,378 | - |
|
Datasheet |
Strap | PFLT | Bulk | Obsolete | Polymeric | 24V | 1.9 A | 4.2 A | 100 A | 3 s | 30 mOhms | 100 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 0.880" L x 0.417" W (22.35mm x 10.60mm) | - | 0.043" (1.10mm) | - |
|
PFLT.070PTC RESET FUSE 24V 700MA STRAP |
8,470 | - |
|
- |
Strap | PFLT | Bulk | Obsolete | Polymeric | 24V | 700 mA | - | 100 A | - | - | - | - | -45°C ~ 85°C | - | - | - | User Defined | - | - | - | - |
|
PFRA.135.3PTC RESET FUSE 30V 1.35A RADIAL |
8,219 | - |
|
Datasheet |
Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 1.35 A | 2.7 A | 40 A | 7.3 s | 65 mOhms | 170 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" Dia x 0.118" T (8.90mm x 3.00mm) | 0.744" (18.90mm) | - | 0.201" (5.10mm) |

