Littelfuse - Circuit Protection
63,728 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (746)
- Circuit Protection Kits (822)
- ESD Protection Diodes / TVS Diodes (14,357)
- Fuse Holders (3,348)
- 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 |
|---|---|---|---|---|
51,000In Stock | ||||
Mfr: RF2631-000 TTI: RXEF020-2 Littelfuse Availability: 6,000In Stock6,000 On Order Expected 31-Aug-26 Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax | 6,000In Stock6,000 On Order Expected 31-Aug-26 | A27863-000 RF2631-000 | ||
Mfr: RF0021-000 TTI: TRF250-145 Littelfuse Availability: 7,000In StockResettable Fuses - PPTC .145A 60Vdc MAX 250Vrms MAX | 7,000In Stock | RF0021-000 | ||
Mfr: L60030C2PQ TTI: L60030C2PQ Littelfuse Availability: 927In StockFuse Holder Blok 30A 600V 2 Pole Pressure Plate Cnct | 927In Stock | |||
4,720In Stock4,500 On Order Expected 27-Apr-27 | ||||
Mfr: 5.0SMDJ30CA TTI: 5.0SMDJ30CA Littelfuse Availability: 48,000In StockESD Protection Diodes / TVS Diodes 5kW 30V 5% Bi-Directional | 48,000In Stock | |||
Mfr: 0466001.NRHF TTI: 0466001.NRHF Littelfuse Availability: 5,000In Stock5,000 On Order Expected 05-Oct-26 Surface Mount Fuses 63V 1A FA HALIDE FREE SLIM | 5,000In Stock5,000 On Order Expected 05-Oct-26 | |||
Mfr: 37216300411 TTI: 37216300411 Littelfuse Availability: 1,000In Stock2,875 On Order Expected Fuses with Leads - Through Hole IEC TL LBC SL 6.3A TR5 | 1,000In Stock2,875 On Order Expected | |||
Mfr: RF1359-000 TTI: NANOSMDC110F-2 Littelfuse Availability: 6,000In StockResettable Fuses - PPTC 1.1A 6V 100A Imax | 6,000In Stock | RF1359-000 | ||
Mfr: RF2725-000 TTI: RUEF400K Littelfuse Availability: 500In Stock6,000 On Order Expected 06-Oct-26 Resettable Fuses - PPTC 4A 30V 40A Imax | 500In Stock6,000 On Order Expected 06-Oct-26 | A98495-000 RF2725-000 | ||
Mfr: RF2713-000 TTI: RXEF375K Littelfuse Availability: 1,200In StockResettable Fuses - PPTC Radial Lead 3.75A 72V 40A Imax | 1,200In Stock | RF2713-000 | ||
Mfr: RF0125-000 TTI: TRF250-080U Littelfuse Availability: 7,000In StockResettable Fuses - PPTC .08A 60Vdc MAX 250Vrms MAX | 7,000In Stock | RF0125-000 | ||
Mfr: SP0505BAHTG TTI: SP0505BAHTG Littelfuse Availability: 21,000In StockESD Protection Diodes / TVS Diodes 5.5V(R) 9. 9.2V-CLAMP1.2A 5-CH | 21,000In Stock | |||
Mfr: 2920L050DR TTI: 2920L050DR Littelfuse Availability: 3,000In StockResettable Fuses - PPTC 0.50A 60V 2920 | 3,000In Stock | |||
Mfr: 255.1000.0001 TTI: 255.1000.0001 Littelfuse Availability: 480In Stock200 On Order Expected 30-Nov-26 Fuse Holder Accessories for CF8 Fuse Link | 480In Stock200 On Order Expected 30-Nov-26 | |||
Mfr: 0218.200MXP TTI: 0218.200HXP Littelfuse Availability: 200In Stock3,000 On Order Expected 18-Sep-26 Cartridge Fuses 250V .2A Time Lag (Slo-Blo) | 200In Stock3,000 On Order Expected 18-Sep-26 | |||
Mfr: 023001.5MXP TTI: 023001.5HXP Littelfuse Availability: 100In Stock1,750 On Order Expected Cartridge Fuses 250V 1.5A Slo-Blo 2AG | 100In Stock1,750 On Order Expected | |||
Mfr: 0216001.MXP TTI: 0216001.HXP Littelfuse Availability: 700In StockCartridge Fuses 250V 1A Fast Acting | 700In Stock | |||
Mfr: 0229007.MXP TTI: 0229007.HXP Littelfuse Availability: 1,900In StockCartridge Fuses 125V 7A Slo-Blo | 1,900In Stock | |||
Mfr: 0314008.MXP TTI: 0314008.HXP Littelfuse Availability: 4,100In Stock4,750 On Order Expected 15-Oct-26 Cartridge Fuses 250V 8A Fast Acting | 4,100In Stock4,750 On Order Expected 15-Oct-26 | |||
Mfr: 0314004.MXP TTI: 0314004.MXP Littelfuse Availability: 1,400In Stock3,200 On Order Expected Cartridge Fuses 250V 4A Fast Acting | 1,400In Stock3,200 On Order Expected | |||
Mfr: 0225001.MXP TTI: 0225001.HXP Littelfuse Availability: 14,600In Stock10,000 On Order Expected 18-Nov-26 Cartridge Fuses 250V 1A Fast Acting | 14,600In Stock10,000 On Order Expected 18-Nov-26 | |||
540In Stock | ||||
Mfr: 0239004.MXP TTI: 0239004.HXP Littelfuse Availability: 9,900In StockCartridge Fuses 125V 4A Slo-Blo | 9,900In Stock | |||
Mfr: 0218015.MXP TTI: 0218015.HXP Littelfuse Availability: 200In Stock1,000 On Order Expected 28-Sep-26 Cartridge Fuses 250V 15A Time Lag (Slo-Blo) | 200In Stock1,000 On Order Expected 28-Sep-26 |