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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
RUE110PTC RESET FUSE 30V 1.1A RADIAL |
8,749 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | 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) | - | 0.201" (5.10mm) |
|
RUE500PTC RESET FUSE 30V 5A RADIAL |
7,219 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | 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 0.120" W (14.00mm x 3.00mm) | 0.980" (24.90mm) | - | 0.402" (10.20mm) |
|
RUE300PTC RESET FUSE 30V 3A RADIAL |
7,850 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.681" (17.30mm) | - | 0.201" (5.10mm) |
|
RUE090PTC RESET FUSE 30V 900MA RADIAL |
7,592 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | 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) | - | 0.199" (5.05mm) |
|
RXE160PTC RESET FUSE 60V 1.6A RADIAL |
4,412 | - |
|
- |
Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 60V | 1.6 A | 3.2 A | 40 A | 11.4 s | 90 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.642" Dia x 0.118" T (16.30mm x 3.00mm) | 0.819" (20.80mm) | - | 0.199" (5.05mm) |
|
RXE110PTC RESET FUSE 72V 1.1A RADIAL |
5,283 | - |
|
- |
Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | - | - | - | - | Through Hole | 0.504" Dia x 0.118" T (12.80mm x 3.00mm) | 0.689" (17.50mm) | - | 0.199" (5.05mm) |
|
RXE017PTC RESET FUSE 60V 170MA RADIAL |
3,178 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 60V | 170 mA | 340 mA | 40 A | 3 s | 3.3 Ohms | 8 Ohms | - | - | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.199" (5.05mm) |
|
RUE250PTC RESET FUSE 30V 2.5A RADIAL |
6,043 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 20 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
RXE375PTC RESET FUSE 72V 3.75A RADIAL |
2,682 | - |
|
- |
Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | - | - | - | - | Through Hole | 1.071" Dia x 0.118" T (27.20mm x 3.00mm) | 1.252" (31.80mm) | - | 0.400" (10.15mm) |
|
RXE185PTC RESET FUSE 72V 1.85A RADIAL |
9,281 | - |
|
- |
Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | - | - | - | - | Through Hole | 0.689" Dia x 0.118" T (17.50mm x 3.00mm) | 0.882" (22.40mm) | - | 0.199" (5.05mm) |
|
RXE250PTC RESET FUSE 72V 2.5A RADIAL |
4,358 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | - | - | - | - | Through Hole | 0.819" Dia x 0.118" T (20.80mm x 3.00mm) | 1.000" (25.40mm) | - | 0.400" (10.15mm) |
|
RUE135PTC RESET FUSE 30V 1.35A RADIAL |
7,947 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | 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) | - | 0.201" (5.10mm) |
|
RXE010PTC RESET FUSE 60V 100MA RADIAL |
8,661 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 60V | 100 mA | 200 mA | 40 A | 4 s | 2.5 Ohms | 7.5 Ohms | - | - | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.457" (11.60mm) | - | 0.199" (5.05mm) |
|
RUE900PTC RESET FUSE 30V 9A RADIAL |
9,464 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 30V | 9 A | 18 A | 40 A | 20 s | 5 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.949" L x 0.120" W (24.10mm x 3.00mm) | 1.169" (29.70mm) | - | 0.402" (10.20mm) |
|
RUE600PTC RESET FUSE 30V 6A RADIAL |
3,340 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 30V | 6 A | 12 A | 40 A | 16 s | 5 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 0.980" (24.90mm) | - | 0.402" (10.20mm) |
|
RUE700PTC RESET FUSE 30V 7A RADIAL |
2,306 | - |
|
Datasheet |
Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 30V | 7 A | 14 A | 40 A | 17.5 s | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.752" L x 0.118" W (19.10mm x 3.00mm) | 1.051" (26.70mm) | - | 0.402" (10.20mm) |
|
RL3020-1500-100-240-PTOPTC RESET FUSE 240V RADIAL DISC |
7,511 | - |
|
Datasheet |
Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 240V | - | - | - | 60 s | - | - | 1.5 kOhms | - | - | - | - | Through Hole | 0.350" Dia x 0.310" T (8.89mm x 7.87mm) | 0.350" (8.89mm) | - | 0.250" (6.35mm) |
|
|
30R700UFPTC RESET FUSE 30V 7A RADIAL |
4,637 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 30R | Bulk | Obsolete | Polymeric | 30V | 7 A | 14 A | 40 A | 17.5 s | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.752" L x 0.118" W (19.10mm x 3.00mm) | 1.126" (28.60mm) | - | 0.402" (10.20mm) |
|
MF-R090-0-009PTC RESET FUSE 30V 900MA RADIAL |
6,655 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Bulk | Obsolete | 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) | - | 0.201" (5.10mm) |
|
MF-R250-0-010PTC RESET FUSE 30V 2.5A RADIAL |
9,364 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-R | Bulk | Obsolete | 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) |

