PTC Resettable Fuses
Explore PTC Resettable Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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 |
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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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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) |
Frequently Asked Questions
What are PTC Resettable Fuses components used for?
PTC Resettable Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right PTC Resettable Fuses part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
