Littelfuse - Circuit Protection
63,313 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (350)
- Circuit Protection Kits (821)
- ESD Protection Diodes / TVS Diodes (14,330)
- Fuse Holders (3,350)
- Fuses (27,194)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,661)
- LED Protection Devices (286)
- Resettable Fuses - PPTC (3,820)
- Surge Protective Devices - SPD (2,507)
- Thermal Cutoffs (109)
- Thermistors (4,908)
- Thyristors (5,591)
- Varistors (8,447)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
17,800In Stock | ||||
Mfr: 0466002.NR TTI: 0466002.NR Littelfuse Availability: 20,000In StockSurface Mount Fuses 2A 63V VERY FAST ACTING | 20,000In Stock | |||
Mfr: 0251004.MXL TTI: 0251004.MXL Littelfuse Availability: 11,725In Stock4,000 On Order Expected 06-Jul-26 Fuses with Leads - Through Hole 125V 4A | 11,725In Stock4,000 On Order Expected 06-Jul-26 | |||
Mfr: 04611.25ER TTI: 04611.25ER Littelfuse Availability: 25,000In StockSurface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 | 25,000In Stock | 576-04611.25 04611.25 | ||
31,000In Stock | ||||
Mfr: 0235003.MXP TTI: 0235003.HXP Littelfuse Availability: 5,500In Stock6,000 On Order Expected 20-Aug-26 Cartridge Fuses 250V 3A Fast Acting | 5,500In Stock6,000 On Order Expected 20-Aug-26 | |||
226In Stock | ||||
Mfr: NGD3103E3T1NLB001 TTI: 103JL1A Littelfuse Availability: 38,330In StockNTC Thermistors 10K OHM .5% DEG C DO-35 | 38,330In Stock | |||
Mfr: SP3530-01ETG TTI: SP3530-01ETG Littelfuse Availability: 30,000In StockESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI SOD882 | 30,000In Stock | |||
Mfr: SP3400-02UTG TTI: SP3400-02UTG Littelfuse Availability: 12,000In StockESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array | 12,000In Stock | |||
99,000In Stock | ||||
500In Stock | ||||
Mfr: 023002.5MXP TTI: 023002.5HXP Littelfuse Availability: 650In Stock1,000 On Order Expected 16-Jun-26 Cartridge Fuses 250V 2.5A Slo-Blo 2AG | 650In Stock1,000 On Order Expected 16-Jun-26 | |||
Mfr: RF1184-000 TTI: MINISMDC260F/16-2 Littelfuse Availability: 3,000In StockResettable Fuses - PPTC 16Vdc 100A MINI-SMD | 3,000In Stock | RF1184-000 | ||
6,000In Stock | ||||
Mfr: 0218.630MXP TTI: 0218.630HXP Littelfuse Availability: 300In StockCartridge Fuses 250V .63A Time Lag (Slo-Blo) | 300In Stock | |||
610In Stock | A32896-000 RF1536-000 | |||
Mfr: RF3059-000 TTI: RGEF1400 Littelfuse Availability: 49In Stock500 On Order Expected 08-Jul-26 Resettable Fuses - PPTC RGEF1400 | 49In Stock500 On Order Expected 08-Jul-26 | C16844-000 RF3059-000 | ||
Mfr: SP3002-04JTG TTI: SP3002-04JTG Littelfuse Availability: 9,000In StockESD Protection Diodes / TVS Diodes 4 channels 1.1pF 15kV | 9,000In Stock | |||
Mfr: 0508001.MXEP TTI: 0508001.MXEP Littelfuse Availability: 125In Stock690 On Order Expected 20-Aug-26 Cartridge Fuses 1000V 3AB FA 1A | 125In Stock690 On Order Expected 20-Aug-26 | |||
Mfr: LFT604003CS TTI: LFT604003CS Littelfuse Availability: 0In StockFuse Holder 600V 400A CLS T 3 Pole Block | 0In Stock | |||
Mfr: TMOV20RP300E TTI: TMOV20RP300E Littelfuse Availability: 3,940In StockVaristors THERMALLY PROTECTED VARISTOR 20MM | 3,940In Stock | |||
Mfr: 0477.500MXP TTI: 0477.500MXP Littelfuse Availability: 2,000In StockCartridge Fuses 500Vac 400Vdc TL 5X20 500mA | 2,000In Stock | |||
Mfr: TMOV34S391MP TTI: TMOV34S391MP Littelfuse Availability: 3,565In StockVaristors THERMALLY PROTECTED VARISTOR 34MM | 3,565In Stock | |||
Mfr: FHAC0001LXN TTI: FHAC0001LXN Littelfuse Availability: 670In StockFuse Holder Water Resistent Cover 20 | 670In Stock |
