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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1812L125ZRPTC RESET FUSE 1.25A 1812 |
4,554 | - |
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Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Obsolete | Polymeric | - | 1.25 A | 2.5 A | 100 A | 400 ms | 50 mOhms | 140 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.049" (1.25mm) | - |
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1812L150ZRTPTC RESET FUSE 8V 1.25A 1812 |
7,114 | - |
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Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Obsolete | Polymeric | 8V | 1.25 A | 3 A | 100 A | 300 ms | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.049" (1.25mm) | - |
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1812L160ZRTPTC RESET FUSE 8V 1.6A 1812 |
3,909 | - |
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Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Obsolete | Polymeric | 8V | 1.6 A | 2.8 A | 100 A | 1 s | 30 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.030" (0.75mm) | - |
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1210L500SLTH-VYRPTC RESET FUSE 6V 5A 1210 |
4,205 | - |
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Datasheet | 1210 (3225 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 5 A | 10 A | 50 A | - | - | - | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.031" (0.80mm) | - |
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RTEF135-2PTC RESET FUSE 33V 1.35A RADIAL |
5,500 | - |
|
Datasheet | Radial, Disc | PolySwitch® | Tape & Reel (TR) | 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) |
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RHEF050USPTC RESET FUSE 30V 500MA RADIAL |
7,862 | - |
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Datasheet | Radial, Disc | PolySwitch®, RHEF | Bag | Obsolete | Polymeric | 30V | 500 mA | 920 mA | 40 A | 2.5 s | 480 mOhms | 1.1 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.201" Dia x 0.118" T (5.10mm x 3.00mm) | 0.201" (5.10mm) | - | 0.199" (5.05mm) |
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RXE110-2PTC RESET FUSE 72V 1.1A RADIAL |
4,810 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Tape & Reel (TR) | 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) |
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MINISMDE190F-2PTC RESET FUSE 16V 1.9A 4520 |
7,902 | - |
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Datasheet | 4520 (11350 Metric), Concave | PolySwitch® | Tape & Reel (TR) | Obsolete | Polymeric | 16V | 1.9 A | 3.8 A | 100 A | 2 s | 24 mOhms | - | - | - | - | - | - | Surface Mount | 0.446" L x 0.200" W (11.33mm x 5.08mm) | - | 0.021" (0.53mm) | - |
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RUSBF160-2PTC RESET FUSE 16V 1.6A RADIAL |
2,111 | - |
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Datasheet | Radial, Disc | PolySwitch®, RUSBF | Tape & Reel (TR) | Active | Polymeric | 16V | 1.6 A | 3.2 A | 40 A | 9 s | 30 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.598" (15.20mm) | - | 0.199" (5.05mm) |
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SMD1210P005TFAPTC RESET FUSE 30V 50MA 1210 |
3,914 | - |
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Datasheet | 1210 (3225 Metric), Concave | POLY-FUSE®, SMD1210 | Tape & Reel (TR) | Obsolete | Polymeric | 30V | 50 mA | 150 mA | 10 A | 1.5 s | 3.6 Ohms | 50 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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.
