Littelfuse - Circuit Protection
63,728 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (746)
- Circuit Protection Kits (822)
- ESD Protection Diodes / TVS Diodes (14,357)
- Fuse Holders (3,348)
- Fuses (27,189)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,665)
- LED Protection Devices (285)
- Resettable Fuses - PPTC (3,799)
- Surge Protective Devices - SPD (2,506)
- Thermal Cutoffs (112)
- Thermistors (4,887)
- Thyristors (5,583)
- Varistors (8,446)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
Mfr: 0312003.MXP TTI: 0312003.MXP Littelfuse Availability: 13,800In Stock2,600 On Order Expected 18-Sep-26 Cartridge Fuses 250V 3A Fast Acting | 13,800In Stock2,600 On Order Expected 18-Sep-26 | |||
Mfr: 0251001.MXL TTI: 0251001.MXL Littelfuse Availability: 10,900In Stock11,600 On Order Expected 22-Dec-26 Fuses with Leads - Through Hole 125V 1A | 10,900In Stock11,600 On Order Expected 22-Dec-26 | |||
Mfr: 0218001.MXP TTI: 0218001.HXP Littelfuse Availability: 10,400In Stock4,800 On Order Expected 06-Nov-26 Cartridge Fuses 250V 1A Time Lag (Slo-Blo) | 10,400In Stock4,800 On Order Expected 06-Nov-26 | |||
18,550In Stock5,000 On Order Expected 31-Aug-26 | ||||
800In Stock | ||||
4,725In Stock | ||||
Mfr: 178.6165.0001 TTI: 178.6165.0001 Littelfuse Availability: 3,520In StockFuse Holder FUSEHOLDER FOR FLR | 3,520In Stock | |||
Mfr: 021806.3MXP TTI: 021806.3HXP Littelfuse Availability: 6,200In StockCartridge Fuses 250V 6.3A Time Lag (Slo-Blo) | 6,200In Stock | |||
Mfr: KLDR003.TXP TTI: KLDR003.TXP Littelfuse Availability: 17,280In StockIndustrial & Electrical Fuses 3A 600VAC 300VDC Slo-Blo | 17,280In Stock | |||
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: 0239003.MXP TTI: 0239003.HXP Littelfuse Availability: 43,900In StockCartridge Fuses 250V 3A Slo-Blo | 43,900In Stock | |||
3,000In Stock | ||||
3,250In Stock7,250 On Order Expected | ||||
6,700In Stock | 576-01220083H 01220083H | |||
Mfr: 83100000005 TTI: 83100000005 Littelfuse Availability: 12,600In StockFuse Holder ACS 5x20 mm Fuse Holder | 12,600In Stock | 8310000000 | ||
Mfr: RF2637-000 TTI: RXEF160 Littelfuse Availability: 10,300In StockResettable Fuses - PPTC Radial Lead 1.6A 72V 40A Imax | 10,300In Stock | E53493-000 RF2637-000 | ||
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 | ||
2,900In Stock | 576-V275LA40A V275LA40A | |||
Mfr: 021706.3MXP TTI: 021706.3HXP Littelfuse Availability: 3,000In Stock34,200 On Order Expected 02-Oct-26 Cartridge Fuses 250 V 6.3A 5x20mm Fast Acting | 3,000In Stock34,200 On Order Expected 02-Oct-26 | |||
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: 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 | ||
2,800In Stock | ||||
Mfr: 0251005.MXL TTI: 0251005.MXL Littelfuse Availability: 2,000In Stock5,900 On Order Expected 28-Oct-26 Fuses with Leads - Through Hole 125V 5A | 2,000In Stock5,900 On Order Expected 28-Oct-26 | |||
Mfr: 0495040.ZXA TTI: 0495040.ZXA Littelfuse Availability: 650In Stock5,750 On Order Expected Automotive Fuses 32V 40A | 650In Stock5,750 On Order Expected | |||
1,202In Stock220 On Order Expected 10-Sep-26 |