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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TS120A-3851DUAL SINGLE SHOT TIMER |
2,769 | - |
|
Datasheet | - | - | Box | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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RXE300PTC RESET FUSE 72V 3A RADIAL |
9,500 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | - | - | - | - | Through Hole | 0.941" Dia x 0.118" T (23.90mm x 3.00mm) | 1.126" (28.60mm) | - | 0.400" (10.15mm) |
|
RXE050PTC RESET FUSE 72V 500MA RADIAL |
5,195 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 500 mA | 1 A | 40 A | 4 s | 500 mOhms | 1.17 Ohms | - | - | - | - | - | Through Hole | 0.311" Dia x 0.118" T (7.90mm x 3.00mm) | 0.539" (13.70mm) | - | 0.199" (5.05mm) |
|
RXE090PTC RESET FUSE 72V 900MA RADIAL |
3,475 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 900 mA | 1.8 A | 40 A | 7.2 s | 200 mOhms | 470 mOhms | - | - | - | - | - | Through Hole | 0.441" Dia x 0.118" T (11.20mm x 3.00mm) | 0.622" (15.80mm) | - | 0.199" (5.05mm) |
|
RXE065PTC RESET FUSE 60V 650MA RADIAL |
7,790 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 60V | 650 mA | 1.3 A | 40 A | 5.3 s | 310 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.370" Dia x 0.118" T (9.40mm x 3.00mm) | 0.571" (14.50mm) | - | 0.199" (5.05mm) |
|
TR250-120PTC RESET FUSE 250V 120MA RADIAL |
2,527 | - |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 250V (60V Int) | 120 mA | - | 3 A | 1.5 s | 4 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.197" (5.00mm) |
|
|
TR250-180UPTC RESET FUSE 180MA RADIAL |
3,265 | - |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | - | - | 180 mA | - | - | - | - | - | - | - | - | - | - | Through Hole | 0.409" L x 0.142" W (10.40mm x 3.60mm) | 0.496" (12.60mm) | - | 0.197" (5.00mm) |
|
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RUE800PTC RESET FUSE 30V 8A RADIAL |
6,742 | - |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 30V | 8 A | 16 A | 40 A | 18.8 s | 5 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.850" L x 0.118" W (21.60mm x 3.00mm) | 1.150" (29.20mm) | - | 0.402" (10.20mm) |
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RXE135PTC RESET FUSE 60V 1.35A RADIAL |
5,919 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 60V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.571" Dia x 0.118" T (14.50mm x 3.00mm) | 0.752" (19.10mm) | - | 0.199" (5.05mm) |
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TR250-145UPTC RESET FUSE 250V 145MA RADIAL |
7,367 | - |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 250V (60V Int) | 145 mA | - | 3 A | 2 s | 3.5 Ohms | 12 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" L x 0.150" W (6.00mm x 3.80mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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.
