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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SMD075-2POLYSWITCH 0.75A HOLD SMD |
4,317 | - |
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Datasheet | 2920 (7351 Metric) | PolySwitch®, SMD | Cut Tape (CT) | Obsolete | Polymeric | 30V | 750 mA | 1.5 A | 40 A | 300 ms | 350 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.125" (3.18mm) | - |
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SMD125-2POLYSWITCH 1.25A HOLD SMD |
7,569 | - |
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Datasheet | 2920 (7351 Metric) | PolySwitch®, SMD | Cut Tape (CT) | Obsolete | Polymeric | 15V | 1.25 A | 2.5 A | 40 A | 2 s | 70 mOhms | - | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.118" (3.00mm) | - |
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SMD030-2POLYSWITCH 0.30A HOLD SMD |
6,896 | - |
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Datasheet | 2920 (7351 Metric) | PolySwitch®, SMD | Cut Tape (CT) | Obsolete | Polymeric | 60V | 300 mA | 600 mA | 10 A | 3 s | 1.2 Ohms | 4.8 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.125" (3.18mm) | - |
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SMD100-2POLYSWITCH 1.10A HOLD SMD |
9,771 | - |
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Datasheet | 2920 (7351 Metric) | PolySwitch®, SMD | Cut Tape (CT) | Obsolete | Polymeric | 30V | 1.1 A | 2.2 A | 40 A | 500 ms | 120 mOhms | 480 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.180" W (5.08mm x 4.58mm) | - | 0.060" (1.52mm) | - |
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SMD050-2POLYSWITCH 0.50A HOLD SMD |
2,170 | - |
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Datasheet | 2920 (7351 Metric) | PolySwitch®, SMD | Cut Tape (CT) | Obsolete | Polymeric | 60V | 500 mA | 1 A | 10 A | 4 s | 350 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.125" (3.18mm) | - |
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LVRL200PTC RESET FUSE 120V 2A RADIAL |
9,219 | - |
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Datasheet | Radial, Disc | PolySwitch®, LVRL | Bulk | Obsolete | Polymeric | 120V (135V Int) | 2 A | 4.2 A | 20 A | 36 s | 80 mOhms | 210 mOhms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.925" L x 0.161" W (23.50mm x 4.10mm) | 1.252" (31.80mm) | - | 0.400" (10.15mm) |
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RGEF700-APPTC RESET FUSE 16V 7A RADIAL |
2,622 | - |
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Datasheet | Radial, Disc | PolySwitch®, RGEF | Cut Tape (CT) | Obsolete | Polymeric | 16V | 7 A | 11.9 A | 100 A | 3.5 s | 7.7 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.421" L x 0.098" W (10.70mm x 2.50mm) | 0.776" (19.70mm) | - | 0.199" (5.05mm) |
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RHEF050-APPTC RESET FUSE 30V 500MA RADIAL |
7,692 | - |
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Datasheet | Radial, Disc | PolySwitch®, RHEF | Cut Tape (CT) | Active | Polymeric | 30V | 500 mA | 920 mA | 40 A | 2.5 s | 480 mOhms | 1.1 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.199" (5.05mm) |
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SMD200-2POLYSWITCH 2.00A HOLD SMD |
9,823 | - |
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Datasheet | 2-SMD | PolySwitch®, SMD | Cut Tape (CT) | Obsolete | Polymeric | 15V | 2 A | 4 A | 40 A | 12 s | 50 mOhms | 125 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.343" L x 0.250" W (8.70mm x 6.36mm) | - | 0.118" (3.00mm) | - |
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SMD150-2POLYSWITCH 1.50A HOLD SMD |
4,077 | - |
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Datasheet | 2-SMD | PolySwitch®, SMD | Cut Tape (CT) | Obsolete | Polymeric | 15V | 1.5 A | 3 A | 40 A | 5 s | 60 mOhms | 250 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.343" L x 0.250" W (8.70mm x 6.36mm) | - | 0.118" (3.00mm) | - |
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.
