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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
.jpg "NANOSMD350LR-2")
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NANOSMD350LR-2PTC RESET FUSE 6V 3.5A 1206 |
4,572 | - |
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Datasheet | 1206 (3216 Metric) | PolySwitch®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.5 A | 6.3 A | 50 A | 5 s | 4 mOhms | - | - | - | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.61mm) | - | 0.039" (1.00mm) | - |
, Concave.jpg "FEMTOSMDC035F-02")
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FEMTOSMDC035F-02PTC RESET FUSE 6V 350MA 0603 |
2,750 | - |
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Datasheet | 0603 (1608 Metric), Concave | PolySwitch®, femtoSMD | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 700 mA | 40 A | 100 ms | 280 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.030" (0.75mm) | - |
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NANOSMD350LR-C-2PTC RESET FUSE 12V 3.5A 1206 |
6,032 | - |
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Datasheet | 1206 (3216 Metric) | PolySwitch®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 12V | 3.5 A | 6.3 A | 9 A | 5 s | 4 mOhms | 18 mOhms | - | -20°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.60mm) | - | 0.032" (0.80mm) | - |
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NANOSMD400LR-C-2PTC RESET FUSE 12V 4A 1206 |
3,912 | - |
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Datasheet | 1206 (3216 Metric) | PolySwitch®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 12V | 4 A | 8 A | 9 A | 2 s | 4 mOhms | 10 mOhms | - | -20°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.60mm) | - | 0.032" (0.80mm) | - |
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NANOSMD380LR-2PTC RESET FUSE 6V 3.8A 1206 |
7,464 | - |
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Datasheet | 1206 (3216 Metric) | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.8 A | 8 A | 50 A | 10 s | 4 mOhms | 14 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.61mm) | - | 0.039" (1.00mm) | - |
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NANOSMD400LR-2PTC RESET FUSE 6V 4A 1206 |
7,585 | - |
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Datasheet | 1206 (3216 Metric) | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 4 A | 8 A | 50 A | 2 s | 4 mOhms | 10 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.61mm) | - | 0.039" (1.00mm) | - |
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NANOSMD500LR-2PTC RESET FUSE 6V 5A 1206 |
5,531 | - |
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Datasheet | 1206 (3216 Metric) | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 5 A | 10 A | 50 A | 2 s | 2 mOhms | 8 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.61mm) | - | 0.032" (0.80mm) | - |
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NANOSMD600LR-2PTC RESET FUSE 6V 6A 1206 |
2,903 | - |
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Datasheet | 1206 (3216 Metric) | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 6 A | 12 A | 50 A | 2 s | 2 mOhms | 7 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.61mm) | - | 0.039" (1.00mm) | - |
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0ZTG0110FF2CPTC RESET FUSE 6V 1.1A 1812 |
3,922 | - |
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Datasheet | 1812 (4532 Metric), Concave | 0ZTG | Tape & Reel (TR) | Active | Polymeric | 6V | 1.1 A | 2.2 A | 40 A | 1 s | 50 mOhms | 430 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.030" (0.75mm) | - |
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RL3006-50-40-25-PTOPTC RESET FUSE 25V RADIAL DISC |
8,901 | - |
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Datasheet | Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 25V | - | - | - | 35 s | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.350" Dia x 0.150" T (8.90mm x 3.80mm) | 0.350" (8.89mm) | - | 0.250" (6.35mm) |
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RL3006-50-50-25-PTOPTC RESET FUSE 25V RADIAL DISC |
6,738 | - |
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Datasheet | Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 25V | - | - | - | 35 s | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.350" Dia x 0.150" T (8.90mm x 3.80mm) | 0.350" (8.89mm) | - | 0.250" (6.35mm) |
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RL3006-50-60-25-PTOPTC RESET FUSE 25V RADIAL DISC |
4,991 | - |
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Datasheet | Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 25V | - | - | - | 35 s | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.350" Dia x 0.150" T (8.90mm x 3.80mm) | 0.350" (8.89mm) | - | 0.250" (6.35mm) |
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RL3006-50-70-25-PTOPTC RESET FUSE 25V RADIAL DISC |
2,739 | - |
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Datasheet | Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 25V | - | - | - | 35 s | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.350" Dia x 0.150" T (8.90mm x 3.80mm) | 0.350" (8.89mm) | - | 0.250" (6.35mm) |
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RL3006-50-100-25-PTOPTC RESET FUSE 25V RADIAL DISC |
4,723 | - |
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Datasheet | Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 25V | - | - | - | 35 s | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.350" Dia x 0.150" T (8.90mm x 3.80mm) | 0.350" (8.89mm) | - | 0.250" (6.35mm) |
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RL3006-50-110-25-PTOPTC RESET FUSE 25V RADIAL DISC |
5,400 | - |
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Datasheet | Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 25V | - | - | - | 35 s | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.350" Dia x 0.150" T (8.90mm x 3.80mm) | 0.350" (8.89mm) | - | 0.250" (6.35mm) |
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RL3006-50-80-25-PTOPTC RESET FUSE 25V RADIAL DISC |
2,832 | - |
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Datasheet | Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 25V | - | - | - | 35 s | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.350" Dia x 0.150" T (8.90mm x 3.80mm) | 0.350" (8.89mm) | - | 0.250" (6.35mm) |
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RL3006-50-90-25-PTOPTC RESET FUSE 25V RADIAL DISC |
3,958 | - |
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Datasheet | Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 25V | - | - | - | 35 s | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.350" Dia x 0.150" T (8.90mm x 3.80mm) | 0.350" (8.89mm) | - | 0.250" (6.35mm) |
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RL3005-10-110-12-PTOPTC RESET FUSE 12V RADIAL DISC |
9,294 | - |
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Datasheet | Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 12V | - | - | - | 35 s | - | - | 10 Ohms | - | - | - | - | Through Hole | 0.350" Dia x 0.150" T (8.90mm x 3.80mm) | 0.350" (8.89mm) | - | 0.250" (6.35mm) |
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RL3005-25-110-12-PTOPTC RESET FUSE 12V RADIAL DISC |
8,595 | - |
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Datasheet | Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 12V | - | - | - | 35 s | - | - | 25 Ohms | - | - | - | - | Through Hole | 0.350" Dia x 0.150" T (8.90mm x 3.80mm) | 0.350" (8.89mm) | - | 0.250" (6.35mm) |
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PTCTZ3NR400HTEPTC RESET FUSE 265V 80MA 2SMD |
5,097 | - |
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Datasheet | 2-SMD | PTCTZ | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 80 mA | 130 mA | 2 A | 800 ms | - | - | 40 Ohms | - | - | - | - | Surface Mount | 0.283" L x 0.394" W (7.20mm x 10.00mm) | - | 0.142" (3.60mm) | - |
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.
