Littelfuse - Circuit Protection
64,712 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (754)
- Circuit Protection Kits (822)
- ESD Protection Diodes / TVS Diodes (15,296)
- Fuse Holders (3,361)
- Fuses (27,205)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,665)
- LED Protection Devices (285)
- Resettable Fuses - PPTC (3,803)
- Surge Protective Devices - SPD (2,505)
- Thermal Cutoffs (112)
- Thermistors (4,891)
- Thyristors (5,582)
- Varistors (8,455)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
Mfr: 0251002.MRT1L TTI: 0251002.MRT1L Littelfuse Availability: 9,000In Stock9,000 On Order Expected 20-Nov-26 Fuses with Leads - Through Hole 125V 2A | 9,000In Stock9,000 On Order Expected 20-Nov-26 | |||
Mfr: F30347-000 TTI: TRF600-150-2 Littelfuse Availability: 63,000In StockResettable Fuses - PPTC 600V .15A-HD 3A MAX | 63,000In Stock | F30347-000 | ||
5,800In Stock | ||||
Mfr: 0251.250MRT1L TTI: 0251.250MRT1L Littelfuse Availability: 11,000In StockFuses with Leads - Through Hole 125V .25A | 11,000In Stock | |||
100In Stock | ||||
Mfr: 0218.125MXP TTI: 0218.125MXP Littelfuse Availability: 1,000In Stock4,000 On Order Expected 25-Nov-26 Cartridge Fuses 250V .125A Time Lag (Slo-Blo) | 1,000In Stock4,000 On Order Expected 25-Nov-26 | |||
215In Stock | 576-273001 273001 | |||
2,400In Stock100 On Order Expected 15-Oct-26 | ||||
Mfr: 0451010.MRL TTI: 0451010.MRL Littelfuse Availability: 5,000In StockSurface Mount Fuses 125VAC 10A .0056ohms 451 NANO2 | 5,000In Stock | |||
Mfr: 0215005.MXP TTI: 0215005.HXP Littelfuse Availability: 4,850In Stock6,000 On Order Expected 30-Dec-26 Cartridge Fuses 250V 5A Slo-Blo | 4,850In Stock6,000 On Order Expected 30-Dec-26 | |||
Mfr: 021506.3MXP TTI: 021506.3MXP Littelfuse Availability: 3,650In Stock4,000 On Order Expected 09-Mar-27 Cartridge Fuses 250V 6.3A Slo-Blo | 3,650In Stock4,000 On Order Expected 09-Mar-27 | |||
Mfr: 0225002.MXP TTI: 0225002.HXP Littelfuse Availability: 2,100In StockCartridge Fuses 250V 2A Fast Acting | 2,100In Stock | |||
4,550In Stock | ||||
Mfr: RF1182-000 TTI: MINISMDC110F/24-2 Littelfuse Availability: 21,000In StockResettable Fuses - PPTC 24V 1.1A-HD 40A MAX | 21,000In Stock | E03949-000 RF1182-000 | ||
Mfr: 0466.500NR TTI: 0466.500NR Littelfuse Availability: 25,000In StockSurface Mount Fuses 63V .5A VFA Slimline | 25,000In Stock | |||
Mfr: 023901.6MXP TTI: 023901.6HXP Littelfuse Availability: 600In Stock1,800 On Order Expected 05-Feb-27 Cartridge Fuses 250V 1.6A Slo-Blo | 600In Stock1,800 On Order Expected 05-Feb-27 | |||
Mfr: 0216002.MXP TTI: 0216002.HXP Littelfuse Availability: 200In StockCartridge Fuses 250V 2A Fast Acting | 200In Stock | |||
Mfr: 0324020.MXP TTI: 0324020.HXP Littelfuse Availability: 3,200In StockCartridge Fuses 250V 20A Fast Acting | 3,200In Stock | |||
20,400In Stock | ||||
Mfr: 0215005.MXP TTI: 0215005.MXP Littelfuse Availability: 6,800In StockCartridge Fuses 250V 5A Slo-Blo | 6,800In Stock | |||
Mfr: RF1238-000 TTI: SMD185F-2 Littelfuse Availability: 27,000In Stock7,500 On Order Expected 19-Oct-26 Resettable Fuses - PPTC 1.8A 33V 40A Imax | 27,000In Stock7,500 On Order Expected 19-Oct-26 | 748040-000 RF1238-000 | ||
Mfr: 0326012.MXP TTI: 0326012.HXP Littelfuse Availability: 1,250In Stock3,000 On Order Expected 10-Nov-26 Cartridge Fuses 250V 12A Slo-Blo | 1,250In Stock3,000 On Order Expected 10-Nov-26 | |||
Mfr: 0313004.MXP TTI: 0313004.HXP Littelfuse Availability: 2,800In StockCartridge Fuses 250V 4A Slo-Blo | 2,800In Stock | |||
8,400In Stock | ||||
Mfr: V250LA40CPX620 TTI: V250LA40CPX620 Littelfuse Availability: 3,600In StockVaristors RADIAL VARISTOR LEAD FREE | 3,600In Stock |