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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MF-SM200-2-99PTC RESET FUSE 15V 2A 2SMD |
9,230 | - |
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Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Obsolete | Polymeric | 15V | 2 A | 4 A | 100 A | 12 s | 45 mOhms | 125 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.344" L x 0.264" W (8.75mm x 6.71mm) | - | 0.118" (3.00mm) | - |
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MF-SM250-2-99PTC RESET FUSE 15V 2.5A 2SMD |
9,995 | - |
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Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Obsolete | Polymeric | 15V | 2.5 A | 5 A | 100 A | 25 s | 24 mOhms | 85 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.344" L x 0.264" W (8.75mm x 6.71mm) | - | 0.118" (3.00mm) | - |
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MICROSMD200LR-2PTC RESET FUSE 6V 2A 1210 |
4,287 | - |
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Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 2 A | 5 A | 50 A | 4 s | 6 mOhms | - | - | - | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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MICROSMD250LR-A-2PTC RESET FUSE 6V 2.5A 1210 |
5,450 | - |
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Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 2.5 A | 5.2 A | 50 A | 5 s | 5 mOhms | - | - | - | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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MICROSMD350LR-2PTC RESET FUSE 6V 3.5A 1206 |
4,388 | - |
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Datasheet | 1210 (3225 Metric) | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.5 A | 9 A | 50 A | 10 s | 2.5 mOhms | - | - | - | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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MICROSMD350LR-D-2PTC RESET FUSE 6V 3.5A 1206 |
3,592 | - |
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Datasheet | 1210 (3225 Metric) | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.5 A | 9 A | 50 A | 10 s | 2.5 mOhms | 11 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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MICROSMD380LR-2PTC RESET FUSE 6V 3.8A 1206 |
2,797 | - |
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Datasheet | 1210 (3225 Metric) | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.8 A | 9 A | 50 A | 10 s | 2.5 mOhms | 9 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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MICROSMD400LR-2PTC RESET FUSE 6V 4A 1206 |
9,209 | - |
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Datasheet | 1210 (3225 Metric) | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 4 A | 9 A | 50 A | 10 s | 2.5 mOhms | 9.9 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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MICROSMD450LR-2PTC RESET FUSE 5V 4.5A 1210 |
3,655 | - |
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Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 5V | 4.5 A | 9 A | 50 A | 2 s | 2 mOhms | 8 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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MICROSMD550LR-2PTC RESET FUSE 5V 5.5A 1210 |
4,648 | - |
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Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 5V | 5.5 A | 11 A | 50 A | 2 s | 2 mOhms | 6.5 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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MICROSMD600LR-2PTC RESET FUSE 6V 6A 1210 |
2,275 | - |
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Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 6 A | 12 A | 50 A | 2 s | 2 mOhms | 6.3 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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MF-USML600-2PTC RESET FUSE 6V 6A 1210 |
3,433 | - |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 6 A | 12 A | 50 A | 2 s | 1 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
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MF-USML380/6-2PTC RESET FUSE 6V 3.8A 1210 |
8,339 | - |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 3.8 A | 7.6 A | 50 A | 5 s | 2 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
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MF-USML260/6-2PTC RESET FUSE 6V 2.6A 1210 |
5,397 | - |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 2.6 A | 5.2 A | 50 A | 5 s | 4 mOhms | 30 mOhms | - | -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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MF-USML450/6-2PTC RESET FUSE 6V 4.5A 1210 |
7,967 | - |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 4.5 A | 9 A | 50 A | 2 s | 2 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
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MF-LSMF330X-22920 RESETTABLE SMD PPTC 3.3A/6V |
5,645 | - |
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Datasheet | 2920 (7351 Metric), Concave | Multifuse®, MF-LSMF | Tape & Reel (TR) | Active | Polymeric | - | 3.3 A | - | - | - | - | - | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | - | - |
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MF-RG1100-AP-14PTC RESETTABLE 11A 16V RADIAL LE |
2,325 | - |
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Datasheet | Radial, Disc | Multifuse®, MF-RG | Tape & Box (TB) | Active | Polymeric | 16V | 11 A | 18.7 A | 100 A | 7 s | 3.7 mOhms | 8.9 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.689" L x 0.118" W (17.50mm x 3.00mm) | 1.024" (26.00mm) | - | 0.201" (5.10mm) |
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MF-RG1100-2-14PTC RESETTABLE 11A 16V RADIAL LE |
8,689 | - |
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Datasheet | Radial, Disc | Multifuse®, MF-RG | Tape & Reel (TR) | Active | Polymeric | 16V | 11 A | 18.7 A | 100 A | 7 s | 3.7 mOhms | 8.9 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.689" L x 0.118" W (17.50mm x 3.00mm) | 1.024" (26.00mm) | - | 0.201" (5.10mm) |
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RL3006-50-30-25-PTOPTC RESET FUSE 25V RADIAL DISC |
2,473 | - |
|
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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YPBJ5.60TPTC RESET FUSE 80V 130MA RADIAL |
8,297 | - |
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Datasheet | Radial, Disc | YP | Tape & Reel (TR) | Obsolete | Ceramic | 80V | 130 mA | 265 mA | 4.3 A | - | - | - | 5.6 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.433" Dia x 0.138" T (11.00mm x 3.50mm) | 0.492" (12.50mm) | - | 0.200" (5.08mm) |
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.
