Littelfuse - Circuit Protection
130,316 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (66,001)
- Circuit Protection Kits (823)
- ESD Protection Diodes / TVS Diodes (14,342)
- Fuse Holders (3,358)
- Fuses (27,219)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,661)
- LED Protection Devices (286)
- Resettable Fuses - PPTC (3,822)
- Surge Protective Devices - SPD (2,521)
- Thermal Cutoffs (109)
- Thermistors (4,911)
- Thyristors (6,895)
- Varistors (8,447)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
Mfr: TMOV20RP115M TTI: TMOV20RP115M Littelfuse Availability: 495In StockVaristors THERMALLY PROTECTED VARISTOR 20MM | 495In Stock | |||
Mfr: 0451007.NRL TTI: 0451007.NRL Littelfuse Availability: 50,000In StockSurface Mount Fuses 125VAC 7A .009ohms 451 NANO2 | 50,000In Stock | |||
Mfr: 0877004.MXEP TTI: 0877004.MXEP Littelfuse Availability: 16In StockCartridge Fuses 250V 3.6X10 4A FUSE SB PT PB-FREE | 16In Stock | |||
Mfr: 0443.500DR TTI: 0443.500DR Littelfuse Availability: 1,500In StockSurface Mount Fuses 250VAC 0.5A .6ohms 443 NANO2 | 1,500In Stock | |||
Mfr: 0508.315MXP TTI: 0508.315MXP Littelfuse Availability: 520In StockCartridge Fuses FUSE 1000V 3AB FA PB-FREE .315A | 520In Stock | |||
Mfr: NXUE104B3T1NFB001 TTI: PS104J2 Littelfuse Availability: 250In StockNTC Thermistors 100K OHM 10% DEG C INTRCHGBL | 250In Stock | NXUE104B3T1NFB001 | ||
6,000In Stock | ||||
975In Stock | ||||
15In Stock | ||||
Mfr: AQ3045-01ETG TTI: AQ3045-01ETG Littelfuse Availability: 30,000In Stock10,000 On Order Expected 12-Aug-26 ESD Protection Diodes / TVS Diodes 0.35pF 30kV AEC-Q101 | 30,000In Stock10,000 On Order Expected 12-Aug-26 | |||
Mfr: SP3401-02UTG TTI: SP3401-02UTG Littelfuse Availability: 9,000In StockESD Protection Diodes / TVS Diodes ESD 3.3V UNI | 9,000In Stock | |||
Mfr: 0438.500WRA TTI: 0438.500WRA Littelfuse Availability: 6,000In Stock45,000 On Order Expected 29-Sep-26 Surface Mount Fuses .5A 63V FAST ACTING FUSE AEC-Q200 | 6,000In Stock45,000 On Order Expected 29-Sep-26 | |||
Mfr: LFMX0007Z-01 TTI: LFMX0007Z-01 Littelfuse Availability: 6In StockFuse Holder MINIFLEC CUSTOM P/N FOR SEALCO | 6In Stock | |||
25In Stock | ||||
0In Stock | ||||
644In Stock | ||||
Mfr: 39505000440 TTI: 39505000440 Littelfuse Availability: 350In StockFuses with Leads - Through Hole 125V UL FA SL .500A TE5 | 350In Stock | |||
Mfr: 255.0808.0001 TTI: 255.0808.0001 Littelfuse Availability: 246In StockFuse Holder Accessories for CF8 Fuse Link | 246In Stock | |||
Mfr: 37302000410 TTI: 37302000410 Littelfuse Availability: 300In StockFuses with Leads - Through Hole 250V UL FA SL .200A TR5 | 300In Stock | |||
Mfr: 598204-000 TTI: LVR040K Littelfuse Availability: 200In StockResettable Fuses - PPTC .4A 240VAC 20/5.5A Imax | 200In Stock | 598204-000 | ||
275In Stock | D53519-000 RF3266-000 | |||
Mfr: E17350-000 TTI: RUEF250U Littelfuse Availability: 1,700In StockResettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED | 1,700In Stock | E17350-000 | ||
1,181In Stock1,000 On Order Expected 17-Sep-26 | ||||
Mfr: D63011-000 TTI: LVR012S Littelfuse Availability: 800In StockResettable Fuses - PPTC .12A 240VAC 20/1.2A Imax | 800In Stock | D63011-000 | ||
100In Stock |