Littelfuse - Circuit Protection
130,308 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (66,003)
- Circuit Protection Kits (823)
- ESD Protection Diodes / TVS Diodes (14,357)
- Fuse Holders (3,353)
- Fuses (27,197)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,665)
- LED Protection Devices (285)
- Resettable Fuses - PPTC (3,800)
- Surge Protective Devices - SPD (2,521)
- Thermal Cutoffs (112)
- Thermistors (4,889)
- Thyristors (6,890)
- Varistors (8,447)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
3,100In Stock | ||||
Mfr: 0312.500MXP TTI: 0312.500HXP Littelfuse Availability: 700In Stock9,900 On Order Expected 28-Oct-26 Cartridge Fuses 250V .5A Fast Acting 3AG | 700In Stock9,900 On Order Expected 28-Oct-26 | |||
17,480In Stock | ||||
Mfr: RF2635-000 TTI: RXEF185 Littelfuse Availability: 16,500In Stock8,400 On Order Expected 10-Sep-26 Resettable Fuses - PPTC Radial Lead 1.85A 72V 40A Imax | 16,500In Stock8,400 On Order Expected 10-Sep-26 | A27829-000 RF2635-000 | ||
3,000In Stock | ||||
Mfr: RF2643-000 TTI: RUEF500 Littelfuse Availability: 19,500In StockResettable Fuses - PPTC 5A 30V 100A Imax | 19,500In Stock | F11479-000 RF2643-000 | ||
Mfr: V320LA20AP TTI: V320LA20AP Littelfuse Availability: 17,700In Stock39,480 On Order Expected Varistors 320V 380pF | 17,700In Stock39,480 On Order Expected | |||
Mfr: RF2563-000 TTI: RXEF017 Littelfuse Availability: 18,000In StockResettable Fuses - PPTC Radial Lead .17A 60V 40A Imax | 18,000In Stock | C72444-000 RF2563-000 | ||
Mfr: RF2568-000 TTI: RXEF065 Littelfuse Availability: 9,750In StockResettable Fuses - PPTC Radial Lead .65A 72V 40A Imax | 9,750In Stock | D53593-000 RF2568-000 | ||
6,500In Stock | 576-01220083H 01220083H | |||
2,175In Stock7,900 On Order Expected | ||||
Mfr: 0495040.ZXA TTI: 0495040.ZXA Littelfuse Availability: 650In Stock5,750 On Order Expected Automotive Fuses 32V 40A | 650In Stock5,750 On Order Expected | |||
1,252In Stock | ||||
Mfr: 83100000005 TTI: 83100000005 Littelfuse Availability: 12,575In StockFuse Holder ACS 5x20 mm Fuse Holder | 12,575In Stock | 8310000000 | ||
Mfr: 0251002.MXL TTI: 0251002.MXL Littelfuse Availability: 14,500In StockFuses with Leads - Through Hole 2A 125V PICO II Fast Acting | 14,500In Stock | 576-251002 251002 | ||
1,100In Stock | 576-V275LA40A V275LA40A | |||
Mfr: 0217001.MXP TTI: 0217001.HXP Littelfuse Availability: 4,250In Stock5,200 On Order Expected Cartridge Fuses 250 V 1A 5x20mm Fast Acting | 4,250In Stock5,200 On Order Expected | |||
Mfr: 021706.3MXP TTI: 021706.3HXP Littelfuse Availability: 22,000In Stock14,200 On Order Expected 06-Oct-26 Cartridge Fuses 250 V 6.3A 5x20mm Fast Acting | 22,000In Stock14,200 On Order Expected 06-Oct-26 | |||
Mfr: 0251005.MXL TTI: 0251005.MXL Littelfuse Availability: 7,000In Stock900 On Order Expected 02-Oct-26 Fuses with Leads - Through Hole 125V 5A | 7,000In Stock900 On Order Expected 02-Oct-26 | |||
Mfr: RF2637-000 TTI: RXEF160 Littelfuse Availability: 10,100In StockResettable Fuses - PPTC Radial Lead 1.6A 72V 40A Imax | 10,100In Stock | E53493-000 RF2637-000 | ||
Mfr: 0326015.MXP TTI: 0326015.MXP Littelfuse Availability: 1,750In Stock3,000 On Order Expected 14-Jan-27 Cartridge Fuses 250V 15A Slo-Blo | 1,750In Stock3,000 On Order Expected 14-Jan-27 | |||
Mfr: RF2647-000 TTI: RXEF375 Littelfuse Availability: 10,000In StockResettable Fuses - PPTC Radial Lead 3.75A 72V 40A Imax | 10,000In Stock | C55032-000 RF2647-000 | ||
5,000In Stock10,000 On Order Expected 16-Feb-27 | ||||
3,000In Stock | ||||
2,900In Stock |