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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RS120-375PTC RESET FUSE 120V 3.75A RADIAL |
152 | - |
|
Datasheet | Radial, Disc | RS120 | Bulk | Active | Polymeric | 120V (135V Int) | 3.75 A | 7.5 A | 20 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.004" Dia x 0.161" T (25.50mm x 4.10mm) | 1.339" (34.00mm) | - | 0.402" (10.20mm) |
|
R1812-075-33-RPTC Fuse - SMD 1812, 750mA 33VDC |
1,500 | - |
|
Datasheet | 1812 (4532 Metric), Concave | - | Tape & Reel (TR) | Active | Polymeric | 33V | 750 mA | 1.5 A | 100 A | 200 ms | 110 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.051" (1.30mm) | - |
|
R1812-075-24-RPTC Fuse - SMD 1812, 750mA 24VDC |
1,500 | - |
|
Datasheet | 1812 (4532 Metric), Concave | - | Tape & Reel (TR) | Active | Polymeric | 24V | 750 mA | 1.5 A | 100 A | 200 ms | 110 mOhms | 290 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.051" (1.30mm) | - |
|
RS60RB-005PTC Fuse-Thru Hole, 50mA 60VDC |
1,900 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Polymeric | 60V | 50 mA | 100 mA | 40 A | 5 s | 7.3 Ohms | 20 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.642" Dia x 0.122" T (16.30mm x 3.10mm) | 0.839" (21.30mm) | - | 0.201" (5.10mm) |
|
RS60RB-020PTC Fuse-Thru Hole, 200mA 60VDC |
1,900 | - |
|
Datasheet | Radial, Disc | - | 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 | 0.642" Dia x 0.122" T (16.30mm x 3.10mm) | 0.839" (21.30mm) | - | 0.201" (5.10mm) |
|
RS120-090PTC Fuse-Thru Hole , 900mA 120V |
500 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Polymeric | 120V | 900 mA | 1.8 A | 5 A | 7.2 s | 200110 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.150" T (7.90mm x 3.80mm) | 0.512" (13.00mm) | - | 0.201" (5.10mm) |
|
RS120-130PTC Fuse Radial Lead, 120V 1.3A |
300 | - |
|
Datasheet | Radial, Disc | RS120 | Bulk | Active | Polymeric | 120V | 1.3 A | 2.7 A | 10 A | 9.6 s | 0.12 Ohms | 0.3 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | - | - | - | - |
|
RS90-010PTC RESET FUSE 72V 100MA RADIAL |
499 | - |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 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) |
|
RS90-025PTC RESET FUSE 72V 250MA RADIAL |
499 | - |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 250 mA | 500 mA | 40 A | 2.5 s | 1.25 Ohms | 3 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.500" (12.70mm) | - | 0.201" (5.10mm) |
|
RS90-015PTC RESET FUSE 72V 150MA RADIAL |
499 | - |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 150 mA | 350 mA | 40 A | 10 s | 2.4 Ohms | 7 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) |
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.