Littelfuse - Circuit Protection
130,308 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (66,003)
- Circuit Protection Kits (823)
- ESD Protection Diodes / TVS Diodes (14,357)
- Fuse Holders (3,353)
- Fuses (27,197)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,665)
- LED Protection Devices (285)
- Resettable Fuses - PPTC (3,800)
- Surge Protective Devices - SPD (2,521)
- Thermal Cutoffs (112)
- Thermistors (4,889)
- Thyristors (6,890)
- Varistors (8,447)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
1,000In Stock | ||||
Mfr: TMOV20RP625E TTI: TMOV20RP625E Littelfuse Availability: 500In StockVaristors THERMALLY PROTECTED VARISTOR 20MM | 500In Stock | |||
Mfr: 0508.500MXP TTI: 0508.500MXP Littelfuse Availability: 980In StockCartridge Fuses FUSE 1000V 3AB FA PB-FREE .500A | 980In Stock | |||
Mfr: 0CNN300E.V TTI: 0CNN300E.V Littelfuse Availability: 10In StockAutomotive Fuses 300AMP 80VDC 125VAC | 10In Stock | |||
125In Stock | ||||
Mfr: SP0504SHTG TTI: SP0504SHTG Littelfuse Availability: 6,000In StockESD Protection Diodes / TVS Diodes 4 Ch 12kV 5V TVS Diode Array | 6,000In Stock | SP3002-04HTG | ||
210In Stock | ||||
500In Stock2,500 On Order Expected | ||||
Mfr: 5.0SMDJ110CA TTI: 5.0SMDJ110CA Littelfuse Availability: 36,000In StockESD Protection Diodes / TVS Diodes 5kW 110V 5% Bi-Directional | 36,000In Stock | |||
Mfr: RF3367-000 TTI: RKEF110 Littelfuse Availability: 300In StockResettable Fuses - PPTC 60V 40A 2.20W Radial-leaded Device | 300In Stock | RF0866-000 RF3367-000 | ||
500In Stock | ||||
Mfr: 0440.750WRA TTI: 0440.750WRA Littelfuse Availability: 54,000In StockSurface Mount Fuses .750A 63V FAST ACTING | 54,000In Stock | |||
5,000In Stock | ||||
100In Stock | F93377-000 RF3203-000 | |||
5,000In Stock | C97762-000 RF3256-000 | |||
10,000In Stock | ||||
Mfr: 021801.6MXP TTI: 021801.6MXP Littelfuse Availability: 1,000In StockCartridge Fuses 250V 1.6A Time Lag (Slo-Blo) | 1,000In Stock | |||
Mfr: 37012500410 TTI: 37012500410 Littelfuse Availability: 2,000In StockFuses with Leads - Through Hole 250V IEC LBC SL 2.5A TR5 | 2,000In Stock | |||
Mfr: 0313.200MXP TTI: 0313.200MXP Littelfuse Availability: 300In StockCartridge Fuses 250V .2A Slo-Blo 3AG | 300In Stock | |||
Mfr: RF1543-000 TTI: LR4-260F Littelfuse Availability: 2,500In Stock3,000 On Order Expected 10-Sep-26 Resettable Fuses - PPTC 2.6A 15V 100A Imax | 2,500In Stock3,000 On Order Expected 10-Sep-26 | D03110-000 RF1543-000 | ||
Mfr: 0239.250MXP TTI: 0239.250HXP Littelfuse Availability: 750In StockCartridge Fuses 250V .25A Slo-Blo | 750In Stock | |||
750In Stock | ||||
4,250In Stock | ||||
1,000In Stock | ||||
Mfr: 0314007.MXP TTI: 0314007.HXP Littelfuse Availability: 200In StockCartridge Fuses 250V 7A Fast Acting | 200In Stock |