PTC Resettable Fuses
Use the filters and product table below to compare PTC Resettable Fuses components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| 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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TSM600-400F-2PTC RESET FUSE 250V 400MA 4SMD |
240 | - |
|
Datasheet | 4-SMD | PolySwitch®, TSM | Tape & Reel (TR) | Active | Polymeric | 250V (600V Int) | 400 mA | 1 A | 60 A | 14 s | 500 mOhms | 2 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.681" L x 0.425" W (17.30mm x 10.80mm) | - | 0.451" (11.45mm) | - |
|
RUSBF155PTC RESET FUSE 6V 1.55A RADIAL |
3,868 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Bag | Active | Polymeric | 6V | 1.55 A | 2.65 A | 40 A | 2.2 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.272" Dia x 0.122" T (6.90mm x 3.10mm) | 0.461" (11.70mm) | - | 0.201" (5.10mm) |
|
VTP240FPTC RESET FUSE 16V 2.4A STRAP |
6,000 | - |
|
Datasheet | Strap | PolySwitch®, VTP | Bulk | Active | Polymeric | 16V | 2.4 A | 5.9 A | 100 A | 5 s | 14 mOhms | 52 mOhms | - | - | - | - | - | User Defined | 0.984" L x 0.201" W (25.00mm x 5.10mm) | - | 0.032" (0.80mm) | - |
|
RXEF030S-2PTC RESET FUSE 72V 300MA RADIAL |
5,693 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Tape & Reel (TR) | Active | Polymeric | 72V | 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) | 0.500" (12.70mm) | - | 0.199" (5.05mm) |
|
RXEF050S-APPTC RESET FUSE 72V 500MA RADIAL |
3,773 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Cut Tape (CT) | Active | Polymeric | 72V | 500 mA | 1 A | 40 A | 4 s | 500 mOhms | 1.17 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.118" T (7.90mm x 3.00mm) | 0.539" (13.70mm) | - | 0.199" (5.05mm) |
|
RXEF017S-2PTC RESET FUSE 60V 170MA RADIAL |
5,000 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Tape & Reel (TR) | 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) | 0.441" (11.20mm) | - | 0.199" (5.05mm) |
|
RUEF135-APPTC RESET FUSE 30V 1.35A RADIAL |
3,999 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Cut Tape (CT) | Active | Polymeric | 30V | 1.35 A | 2.7 A | 100 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) | - | 0.199" (5.05mm) |
|
RKEF065-APPTC RESET FUSE 60V 650MA RADIAL |
1,224 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Cut Tape (CT) | Active | Polymeric | 60V | 650 mA | 1.3 A | 40 A | 1 s | 250 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.280" L x 0.140" W (7.10mm x 3.56mm) | 0.480" (12.20mm) | - | 0.199" (5.05mm) |
|
RUEF185-APPTC RESET FUSE 30V 1.85A RADIAL |
3,914 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Cut Tape (CT) | Active | Polymeric | 30V | 1.85 A | 3.7 A | 100 A | 8.7 s | 30 mOhms | 90 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" Dia x 0.118" T (10.20mm x 3.00mm) | 0.618" (15.70mm) | - | 0.199" (5.05mm) |
|
|
RKEF075-2PTC RESET FUSE 60V 750MA RADIAL |
14,074 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Tape & Reel (TR) | Active | Polymeric | 60V | 750 mA | 1.5 A | 40 A | 1.5 s | 200 mOhms | 640 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" L x 0.118" W (10.20mm x 3.00mm) | 0.598" (15.20mm) | - | 0.199" (5.05mm) |
PTC Resettable Fuses FAQ
Common questions about filtering, comparing and sourcing PTC Resettable Fuses components.
How can I narrow the PTC Resettable Fuses selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific PTC Resettable Fuses part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
