Littelfuse - Circuit Protection
63,604 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (650)
- Circuit Protection Kits (821)
- ESD Protection Diodes / TVS Diodes (14,325)
- Fuse Holders (3,353)
- Fuses (27,189)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,665)
- LED Protection Devices (285)
- Resettable Fuses - PPTC (3,799)
- Surge Protective Devices - SPD (2,506)
- Thermal Cutoffs (112)
- Thermistors (4,887)
- Thyristors (5,583)
- Varistors (8,446)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
Mfr: 0215001.MXP TTI: 0215001.HXP Littelfuse Availability: 250In Stock1,000 On Order Expected 30-Oct-26 Cartridge Fuses 250V 1A Slo-Blo | 250In Stock1,000 On Order Expected 30-Oct-26 | |||
1,200In Stock | 1.5KE51CA. | |||
Mfr: 1206L025YR TTI: 1206L025YR Littelfuse Availability: 8,000In StockResettable Fuses - PPTC 16V .25A 1206 POLYFUSE | 8,000In Stock | |||
3,600In Stock9,600 On Order Expected 05-Oct-26 | ||||
8,624In Stock | 576-SP721AB SP721AB | |||
Mfr: 021701.6MXP TTI: 021701.6HXP Littelfuse Availability: 1,750In StockCartridge Fuses 250 V 1.6A 5x20mm Fast Acting | 1,750In Stock | |||
69,000In Stock | ||||
5,900In Stock | 461002 | |||
Mfr: 37205000411 TTI: 37205000411 Littelfuse Availability: 1,100In StockFuses with Leads - Through Hole 250v 500mA TR5 | 1,100In Stock | |||
Mfr: RF0319-000 TTI: SMD100F/33-2 Littelfuse Availability: 2,000In StockResettable Fuses - PPTC 1.1A 33V 40A Imax | 2,000In Stock | A45463-000 RF0319-000 | ||
Mfr: RF1669-000 TTI: SRP120F Littelfuse Availability: 800In Stock1,000 On Order Expected 13-Oct-26 Resettable Fuses - PPTC 1.2A 15V 100A Imax | 800In Stock1,000 On Order Expected 13-Oct-26 | D76374-000 RF1669-000 | ||
3,000In Stock6,000 On Order Expected 24-Nov-26 | ||||
Mfr: 1.5KE400CA TTI: 1.5KE400CA Littelfuse Availability: 16,800In StockESD Protection Diodes / TVS Diodes 1500W 342V Bi-Directional | 16,800In Stock | |||
Mfr: 021806.3MXP TTI: 021806.3MXP Littelfuse Availability: 800In StockCartridge Fuses 250V 6.3A Time Lag (Slo-Blo) | 800In Stock | |||
2,150In Stock | ||||
2,000In Stock4,000 On Order Expected 31-Dec-26 | ||||
Mfr: 0443001.DR TTI: 0443001.DR Littelfuse Availability: 19,500In Stock3,000 On Order Expected 11-Sep-26 Surface Mount Fuses 250VAC 1A .18ohms 443 NANO2 | 19,500In Stock3,000 On Order Expected 11-Sep-26 | |||
Mfr: 1206L400SLWR TTI: 1206L400SLWR Littelfuse Availability: 282,000In StockResettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4A | 282,000In Stock | |||
Mfr: 0998175.UX-2M8 TTI: 0998175.UX-2M8 Littelfuse Availability: 230In StockAutomotive Fuses Fuse - Mega 70V (SF51) 2-M8 holes 175A | 230In Stock | |||
3,000In Stock6,000 On Order Expected 17-Aug-26 | ||||
4,400In Stock | ||||
Mfr: 37414000410 TTI: 37414000410 Littelfuse Availability: 400In StockFuses with Leads - Through Hole 250V UL TL SL 4A TR5 | 400In Stock | |||
78,000In Stock | ||||
Mfr: 0239.600MXP TTI: 0239.600HXP Littelfuse Availability: 1,200In Stock700 On Order Expected 18-Sep-26 Cartridge Fuses 250V .6A Slo-Blo | 1,200In Stock700 On Order Expected 18-Sep-26 | |||
Mfr: 0218.800MXP TTI: 0218.800HXP Littelfuse Availability: 4,000In StockCartridge Fuses 250V .8A Time Lag (Slo-Blo) | 4,000In Stock |