PTC Resettable Fuses
Browse available PTC Resettable Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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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RHEF100-APPTC RESET FUSE 30V 1A RADIAL |
840 | - |
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Datasheet | Radial, Disc | PolySwitch®, RHEF | Cut Tape (CT) | Active | Polymeric | 30V | 1 A | 1.8 A | 40 A | 5.2 s | 180 mOhms | 430 mOhms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.382" Dia x 0.118" T (9.70mm x 3.00mm) | 0.535" (13.60mm) | - | 0.199" (5.05mm) |
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PFRA.185PTC RESET FUSE 30V 1.85A RADIAL |
637 | - |
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Datasheet | Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 1.85 A | 3.7 A | 40 A | 8.7 s | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" Dia x 0.118" T (12.00mm x 3.00mm) | 0.724" (18.40mm) | - | 0.201" (5.10mm) |
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0ZRR0250FF1APTC RESET FUSE 60V 2.5A RADIAL |
233 | - |
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Datasheet | Radial, Disc | 0ZRR | Bulk | Active | Polymeric | 60V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.839" Dia x 0.122" T (21.30mm x 3.10mm) | 1.039" (26.40mm) | - | 0.402" (10.20mm) |
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RXEF135-2PTC RESET FUSE 72V 1.35A RADIAL |
599 | - |
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Datasheet | Radial, Disc | PolySwitch®, RXEF | Tape & Reel (TR) | Active | Polymeric | 72V | 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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0ZRP0160FF1APTC RESET FUSE 60V 1.6A RADIAL |
3,501 | - |
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Datasheet | Radial, Disc | 0ZRP | Bulk | Active | Polymeric | 60V | 1.6 A | 3.2 A | 40 A | 9 s | 100 mOhms | 320 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.480" L x 0.142" W (12.20mm x 3.60mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
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RUEF400-APPTC RESET FUSE 30V 4A RADIAL |
191 | - |
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Datasheet | Radial, Disc | PolySwitch®, RUEF | Cut Tape (CT) | Active | Polymeric | 30V | 4 A | 8 A | 100 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.118" W (14.00mm x 3.00mm) | 0.760" (19.30mm) | - | 0.199" (5.05mm) |
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PFRA.300PTC RESET FUSE 30V 3A RADIAL |
159 | - |
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Datasheet | Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
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AHRF050PTC RESET FUSE 30V 500MA RADIAL |
601 | - |
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Datasheet | Radial, Disc | PolySwitch®, AHRF | Bag | Active | Polymeric | 30V | 500 mA | 1 A | 40 A | 3 s | 350 mOhms | 1.1 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.291" Dia x 0.130" T (7.40mm x 3.30mm) | 0.500" (12.70mm) | - | 0.199" (5.05mm) |
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60R090XUPTC RESET FUSE 60V 900MA RADIAL |
451 | - |
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Datasheet | Radial, Disc | POLY-FUSE®, 60R | Bulk | Active | Polymeric | 60V | 900 mA | 1.8 A | 40 A | 7.2 s | 200 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.441" Dia x 0.122" T (11.20mm x 3.10mm) | 0.622" (15.80mm) | - | 0.201" (5.10mm) |
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RGEF500-1PTC RESET FUSE 16V 5A RADIAL |
125 | - |
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Datasheet | Radial, Disc | PolySwitch®, RGEF | Bag | Active | Polymeric | 16V | 5 A | 8.5 A | 100 A | 2 s | 15 mOhms | 34 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.390" L x 0.098" W (9.90mm x 2.50mm) | 0.563" (14.30mm) | - | 0.199" (5.05mm) |
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PRG21AR420MS1RAPTC RESET FUSE 20V 54MA 0805 |
648 | - |
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Datasheet | 0805 (2012 Metric) | POSISTOR®, PRG | Tape & Reel (TR) | Active | Ceramic | 20V | 54 mA | 100 mA | 590 mA | - | - | - | 42 Ohms | -40°C ~ 105°C | - | - | - | Surface Mount | 0.079" L x 0.049" W (2.00mm x 1.25mm) | - | 0.043" (1.10mm) | - |
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LR4-190FPTC RESET FUSE 15V 1.9A STRAP |
642 | - |
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Datasheet | Strap | PolySwitch®, LR4 | Bag | Active | Polymeric | 15V | 1.9 A | 3.9 A | 100 A | 5 s | 39 mOhms | 102 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.827" L x 0.205" W (21.00mm x 5.20mm) | - | - | - |
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RXEF185KPTC RESET FUSE 72V 1.85A RADIAL |
390 | - |
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Datasheet | Radial, Disc | PolySwitch®, RXEF | Bag | Active | Polymeric | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.660" Dia x 0.118" T (16.76mm x 3.00mm) | 0.906" (23.00mm) | - | 0.199" (5.05mm) |
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LVR016KPTC RESET FUSE 240V 160MA RADIAL |
352 | - |
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Datasheet | Radial, Disc | PolySwitch®, LVR | Bag | Active | Polymeric | 240V (265V Int) | 160 mA | 370 mA | 2 A | 15 s | 2.5 Ohms | 7.8 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.390" Dia x 0.150" T (9.90mm x 3.80mm) | 0.543" (13.80mm) | - | 0.200" (5.08mm) |
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PTR030V0600-BKPTC RESET FUSE 30V 6A RADIAL |
290 | - |
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Datasheet | Radial, Disc | PTR030V | Bulk | Active | Polymeric | 30V | 6 A | 12 A | 100 A | 16 s | 5 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 1.169" (29.70mm) | - | 0.394" (10.00mm) |
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PFRA.400PTC RESET FUSE 30V 4A RADIAL |
3,990 | - |
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Datasheet | Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 4 A | 8 A | 40 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.567" L x 0.118" W (14.40mm x 3.00mm) | 0.976" (24.80mm) | - | 0.201" (5.10mm) |
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MF-RX030/72-0PTC RESET FUSE 72V 300MA RADIAL |
477 | - |
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Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Bulk | Active | Polymeric | 72V | 300 mA | 600 mA | 40 A | 3 s | 760 mOhms | 2.1 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.528" (13.40mm) | - | 0.201" (5.10mm) |
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RGEF700PTC RESET FUSE 16V 7A RADIAL |
464 | - |
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Datasheet | Radial, Disc | PolySwitch®, RGEF | Bag | Active | 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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MF-RX250/72-2PTC RESET FUSE 72V 2.5A RADIAL |
446 | - |
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Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Reel (TR) | Active | Polymeric | 72V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.702" L x 0.122" W (17.84mm x 3.10mm) | 0.939" (23.84mm) | - | 0.402" (10.20mm) |
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MINIASMDC260F/13.2-2PTC RESET FUSE 13.2V 2.6A 1812 |
163 | - |
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Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniASMD | Bulk | Active | Polymeric | 13.2V | 2.6 A | 5 A | 100 A | 5 s | 15 mOhms | 50 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.060" (1.52mm) | - |
PTC Resettable Fuses FAQ
Common questions about selecting, comparing and sourcing PTC Resettable Fuses components through Winsun (HK) Electronics.
What should I check when selecting PTC Resettable Fuses components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific PTC Resettable Fuses part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for PTC Resettable Fuses components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.