Littelfuse - Resettable Fuses - PPTC
3,821 ResultsPart | Availability | Purchasing | RoHS/Lead | Series | Mounting Style | Termination Style | Hold Current | Maximum Voltage | Trip Current | Current Rating - Max | Resistance | Package / Case | Minimum Operating Temperature | Maximum Operating Temperature | Lead Spacing | Qualification | Packaging |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr: RF2637-000 TTI: RF2637-000 Littelfuse Availability: 950In Stock12,800 On Order Expected 17-Aug-26 Resettable Fuses - PPTC 72V 1.6A-HD 40A MAX | 950In Stock12,800 On Order Expected 17-Aug-26 | PCB Mount | Radial | 1.6 A | 72 VDC | 3.2 A | 40 A | 220 mOhms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
Mfr: RF2643-000 TTI: RF2643-000 Littelfuse Availability: 8,450In StockResettable Fuses - PPTC 30V 5A-HD 40A MAX | 8,450In Stock | PCB Mount | Radial | 5 A | 30 VDC | 10 A | 100 A | 50 mOhms | - 40 C | + 85 C | 10.9 mm | Bulk | |||||
Mfr: RF2571-000 TTI: RF2571-000 Littelfuse Availability: 8,200In Stock10,000 On Order Expected 04-Sep-26 Resettable Fuses - PPTC 72V .9A-HD 40A MAX | 8,200In Stock10,000 On Order Expected 04-Sep-26 | PCB Mount | Radial | 900 mA | 72 VDC | 1.8 A | 40 A | 470 mOhms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
Mfr: RF2579-000 TTI: RF2579-000 Littelfuse Availability: 30,900In StockResettable Fuses - PPTC 60V .1A-HD 40A MAX | 30,900In Stock | PCB Mount | Radial | 100 mA | 60 VDC | 200 mA | 40 A | 7.5 Ohms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
Mfr: RF2561-000 TTI: RF2561-000 Littelfuse Availability: 37,900In StockResettable Fuses - PPTC 30V 4A-HD 40A MAX | 37,900In Stock | PCB Mount | Radial | 4 A | 30 VDC | 8 A | 100 A | 50 mOhms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
Mfr: A87878-000 TTI: A87878-000 Littelfuse Availability: 12,950In StockResettable Fuses - PPTC 600V .15A-HD 3A MAX | 12,950In Stock | PCB Mount | Radial | 150 mA | 250 VDC | 300 mA | 3 A | 17 Ohms | - 40 C | + 85 C | 5 mm | Bulk | |||||
Mfr: RF2565-000 TTI: RF2565-000 Littelfuse Availability: 7,000In Stock3,900 On Order Expected 01-Jul-26 Resettable Fuses - PPTC 72V .3A-HD 40A MAX | 7,000In Stock3,900 On Order Expected 01-Jul-26 | PCB Mount | Radial | 300 mA | 72 VDC | 600 mA | 40 A | 2.1 Ohms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
0In Stock | PCB Mount | Radial | 2.5 A | 72 VDC | 5 A | 40 A | 130 mOhms | - 40 C | + 85 C | 10.9 mm | Bulk | ||||||
Mfr: RF2566-000 TTI: RF2566-000 Littelfuse Availability: 71,700In StockResettable Fuses - PPTC 72V .4A-HD 40A MAX | 71,700In Stock | PCB Mount | Radial | 400 mA | 72 VDC | 800 mA | 40 A | 1.29 Ohms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
Mfr: RF1350-000 TTI: RF1350-000 Littelfuse Availability: 40,000In StockResettable Fuses - PPTC 30V 50MA-HD 10A MAX | 40,000In Stock | SMD/SMT | SMD/SMT | 50 mA | 30 VDC | 150 mA | 10 A | 50 Ohms | 1210 (3225 metric) | - 40 C | + 85 C | Reel | |||||
0In Stock | PCB Mount | Radial | 1.85 A | 72 VDC | 3.7 A | 40 A | 190 mOhms | - 40 C | + 85 C | 5.8 mm | Bulk | ||||||
Mfr: RF2647-000 TTI: RF2647-000 Littelfuse Availability: 10,925In StockResettable Fuses - PPTC 72V 3.75A-HD 40A MAX | 10,925In Stock | PCB Mount | Radial | 3.75 A | 72 VDC | 7.5 A | 40 A | 80 mOhms | - 40 C | + 85 C | 10.9 mm | Bulk | |||||
Mfr: RF2723-000 TTI: RF2723-000 Littelfuse Availability: 2,225In Stock12,500 On Order Expected 17-Aug-26 Resettable Fuses - PPTC 30V 9A-HD 40A MAX | 2,225In Stock12,500 On Order Expected 17-Aug-26 | PCB Mount | Radial | 9 A | 30 VDC | 18 A | 100 A | 20 mOhms | - 40 C | + 85 C | 10.9 mm | Bulk | |||||
Mfr: RF0315-000 TTI: RF0315-000 Littelfuse Availability: 64,000In StockResettable Fuses - PPTC 60V 500MA-HD 10A MAX | 64,000In Stock | SMD/SMT | SMD/SMT | 500 mA | 60 VDC | 1 A | 10 A | 1.4 Ohms | 2920 (7450 metric) | - 40 C | + 85 C | Reel | |||||
Mfr: RF2611-000 TTI: RF2611-000 Littelfuse Availability: 7,600In Stock4,500 On Order Expected 05-Aug-26 Resettable Fuses - PPTC 30V 3A-HD 40A MAX | 7,600In Stock4,500 On Order Expected 05-Aug-26 | PCB Mount | Radial | 3 A | 30 VDC | 6 A | 100 A | 80 mOhms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
Mfr: RF2626-000 TTI: RF2626-000 Littelfuse Availability: 500In Stock3,900 On Order Expected 28-Jul-26 Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX | 500In Stock3,900 On Order Expected 28-Jul-26 | PCB Mount | Radial | 2.5 A | 30 VDC | 5 A | 100 A | 70 mOhms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
Mfr: RF2628-000 TTI: RF2628-000 Littelfuse Availability: 2,955In Stock1,800 On Order Expected 27-Jul-26 Resettable Fuses - PPTC 72V .25A-HD 40A MAX | 2,955In Stock1,800 On Order Expected 27-Jul-26 | PCB Mount | Radial | 250 mA | 72 VDC | 500 mA | 40 A | 3 Ohms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
Mfr: RF2577-000 TTI: RF2577-000 Littelfuse Availability: 6,850In StockResettable Fuses - PPTC 60V .05A-HD 40A MAX | 6,850In Stock | PCB Mount | Radial | 50 mA | 60 VDC | 100 mA | 40 A | 20 Ohms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
Mfr: RF2639-000 TTI: RF2639-000 Littelfuse Availability: 28,350In StockResettable Fuses - PPTC 30V .9A-HD 40A MAX | 28,350In Stock | PCB Mount | Radial | 900 mA | 30 VDC | 1.8 A | 100 A | 220 mOhms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
Mfr: RF3058-000 TTI: RF3058-000 Littelfuse Availability: 6,250In StockResettable Fuses - PPTC 60V 5A-HD 40A MAX | 6,250In Stock | PCB Mount | Radial | 5 A | 60 VDC | 10 A | 40 A | 50 mOhms | - 40 C | + 85 C | 10.9 mm | Bulk | |||||
Mfr: RF2652-000 TTI: RF2652-000 Littelfuse Availability: 100In StockResettable Fuses - PPTC 30V 6A-HD 40A MAX | 100In Stock | PCB Mount | Radial | 6 A | 30 VDC | 12 A | 100 A | 40 mOhms | - 40 C | + 85 C | 10.9 mm | Bulk | |||||
Mfr: RF2564-000 TTI: RF2564-000 Littelfuse Availability: 5,450In StockResettable Fuses - PPTC 72V .2A-HD 40A MAX | 5,450In Stock | PCB Mount | Radial | 200 mA | 72 VDC | 400 mA | 40 A | 4.4 Ohms | - 40 C | + 85 C | 5.8 mm | Bulk | |||||
Mfr: RF2650-000 TTI: RF2650-000 Littelfuse Availability: 22,150In StockResettable Fuses - PPTC 72V 3A-HD 40A MAX | 22,150In Stock | PCB Mount | Radial | 3 A | 72 VDC | 6 A | 40 A | 100 mOhms | - 40 C | + 85 C | 10.9 mm | Bulk | |||||
Mfr: RF2653-000 TTI: RF2653-000 Littelfuse Availability: 8,850In StockResettable Fuses - PPTC 30V 7A-HD 40A MAX | 8,850In Stock | PCB Mount | Radial | 7 A | 30 VDC | 14 A | 100 A | 30 mOhms | - 40 C | + 85 C | 10.9 mm | Bulk | |||||
Mfr: RF1238-000 TTI: RF1238-000 Littelfuse Availability: 27,000In Stock16,500 On Order Expected 08-Jul-26 Resettable Fuses - PPTC 33V 1.8A-HD 40A MAX | 27,000In Stock16,500 On Order Expected 08-Jul-26 | SMD/SMT | SMD/SMT | 1.85 A | 33 VDC | 3.6 A | 40 A | 165 mOhms | 3425 (8764 metric) | - 40 C | + 85 C | Reel |
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