Littelfuse - Circuit Protection
65,541 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (667)
- Circuit Protection Kits (832)
- ESD Protection Diodes / TVS Diodes (14,901)
- Fuse Holders (3,503)
- Fuses (27,736)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,667)
- LED Protection Devices (308)
- Resettable Fuses - PPTC (3,801)
- Surge Protective Devices - SPD (2,570)
- Thermal Cutoffs (114)
- Thermistors (5,014)
- Thyristors (5,866)
- Varistors (8,607)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
500In Stock | 759132-000 RF2566-000 | |||
Mfr: SMD100F/33-2 TTI: SMD100F/33-2 Littelfuse Availability: 2,000In StockResettable Fuses - PPTC 1.1A 33V 40A Imax | 2,000In Stock | A45463-000 RF0319-000 | ||
6,000In Stock | 576-01110506H 01110506H | |||
2,000In Stock10,000 On Order Expected | F74062-000 RF0314-000 | |||
Mfr: 0451005.MRL TTI: 0451005.MRL Littelfuse Availability: 2,000In Stock5,000 On Order Expected 09-Oct-26 Surface Mount Fuses 125VAC 5A .0125ohms 451 NANO2 | 2,000In Stock5,000 On Order Expected 09-Oct-26 | |||
Mfr: TSM600-250F-RA-2 TTI: TSM600-250F-RA-2 Littelfuse Availability: 4,400In StockResettable Fuses - PPTC 250V .250A-HD 3A MAX (R) | 4,400In Stock | A88390-000 | ||
2,000In Stock | ||||
Mfr: NANOSMDC012F-2 TTI: NANOSMDC012F-2 Littelfuse Availability: 3,000In StockResettable Fuses - PPTC .12A 48V | 3,000In Stock | F63422-000 RF1343-000 | ||
Mfr: 0217001.MXP TTI: 0217001.MXP Littelfuse Availability: 1,000In StockCartridge Fuses 250 V 1A 5x20mm Fast Acting | 1,000In Stock | |||
57,000In Stock3,000 On Order Expected 24-Aug-26 | ||||
Mfr: SC1103C-01UTG TTI: SC1103C-01UTG Littelfuse Availability: 3,000In StockESD Protection Diodes / TVS Diodes 3.3V 80A 30kV DFN1610-2L Bi-dir TVS | 3,000In Stock | |||
50,000In Stock | ||||
6,000In Stock9,000 On Order Expected 04-Sep-26 | ||||
147,000In Stock | ||||
6,000In Stock | ||||
39,000In Stock | ||||
51,000In Stock | ||||
3,000In Stock | ||||
2,000In Stock | 576-01000056H 01000056H 100056 | |||
Mfr: 36911000000 TTI: 36911000000 Littelfuse Availability: 2,800In Stock2,800 On Order Expected 09-Oct-26 Fuses with Leads - Through Hole 300V TL TE5 LL 1A | 2,800In Stock2,800 On Order Expected 09-Oct-26 | |||
Mfr: 0452001.MRL TTI: 0452001.MRL Littelfuse Availability: 1,000In Stock1,000 On Order Expected 25-Sep-26 Surface Mount Fuses 125VAC 1A .225ohms 452 NANO2 | 1,000In Stock1,000 On Order Expected 25-Sep-26 | |||
Mfr: 021506.3MXEP TTI: 021506.3MXEP Littelfuse Availability: 7,000In StockCartridge Fuses 250V 6.3A Slo-Blo | 7,000In Stock | |||
Mfr: TPSMF4L28A TTI: TPSMF4L28A Littelfuse Availability: 60,000In StockESD Protection Diodes / TVS Diodes 2kW 28V AEC-Q101 5% Uni-Directional | 60,000In Stock | |||
Mfr: 045202.5MRL TTI: 045202.5MRL Littelfuse Availability: 4,000In StockSurface Mount Fuses 125VAC 2.5A .045ohms 452 NANO2 | 4,000In Stock | |||
Mfr: SZSMF4L60CAT3G TTI: SZSMF4L60CAT3G Littelfuse Availability: 20,000In StockESD Protection Diodes / TVS Diodes Zen TVS 400W 60V BI SOD-123FL TR13 | 20,000In Stock |