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 |
|---|---|---|---|---|
Mfr: 01550320ZXU TTI: 01550320ZXU Littelfuse Availability: 3,398In Stock1,850 On Order Expected 07-Jul-26 Fuse Holder Inline Unassembled | 3,398In Stock1,850 On Order Expected 07-Jul-26 | |||
Mfr: 178.6764.0001 TTI: 178.6764.0001 Littelfuse Availability: 4,261,678In StockFuse Holder FL1 (Mini) PCB Holder | 4,261,678In Stock | |||
Mfr: RF2650-000 TTI: RXEF300 Littelfuse Availability: 22,150In StockResettable Fuses - PPTC Radial Lead 3A 72V 40A Imax | 22,150In Stock | E37266-000 RF2650-000 | ||
Mfr: RF1404-000 TTI: MINISMDC075F-2 Littelfuse Availability: 10,000In StockResettable Fuses - PPTC .75A 13.2V 100A Imax | 10,000In Stock | A92764-000 RF1404-000 | ||
Mfr: 0217004.MXP TTI: 0217004.MXP Littelfuse Availability: 3,400In Stock5,000 On Order Expected 18-Sep-26 Cartridge Fuses 250 V 4A 5x20mm Fast Acting | 3,400In Stock5,000 On Order Expected 18-Sep-26 | |||
Mfr: 0324015.MXP TTI: 0324015.MXP Littelfuse Availability: 500In StockCartridge Fuses 250V 15A Fast Acting | 500In Stock | |||
12,000In Stock | ||||
Mfr: RF1347-000 TTI: NANOSMDC050F/13.2-2 Littelfuse Availability: 3,000In Stock9,000 On Order Expected 04-Aug-26 Resettable Fuses - PPTC .5A 13.2V 100A Imax | 3,000In Stock9,000 On Order Expected 04-Aug-26 | A40202-000 RF1347-000 | ||
Mfr: 0312005.MXP TTI: 0312005.MXP Littelfuse Availability: 300In Stock1,600 On Order Expected Cartridge Fuses 250V 5A Fast Acting | 300In Stock1,600 On Order Expected | |||
Mfr: 0451.125MRL TTI: 0451.125MRL Littelfuse Availability: 39,000In StockSurface Mount Fuses 125VAC 0.125A 1.7ohms 451 NANO2 | 39,000In Stock | |||
Mfr: P6SMB200CA TTI: P6SMB200CA Littelfuse Availability: 12,000In StockESD Protection Diodes / TVS Diodes 600W 200V 5% Bi-Directional | 12,000In Stock | |||
Mfr: 0298350.ZXH TTI: 0298350.ZXH Littelfuse Availability: 395In Stock500 On Order Expected 29-May-26 Automotive Fuses 32V 350A Riveted | 395In Stock500 On Order Expected 29-May-26 | |||
Mfr: 0218004.MXP TTI: 0218004.MXP Littelfuse Availability: 2,250In Stock3,000 On Order Expected 28-Jul-26 Cartridge Fuses 250V 4A Time Lag (Slo-Blo) | 2,250In Stock3,000 On Order Expected 28-Jul-26 | |||
Mfr: 0251001.MRT1L TTI: 0251001.MRT1L Littelfuse Availability: 27,000In Stock4,000 On Order Expected 26-May-26 Fuses with Leads - Through Hole 125V 1A | 27,000In Stock4,000 On Order Expected 26-May-26 | |||
Mfr: 0239003.MXP TTI: 0239003.MXP Littelfuse Availability: 10,375In StockCartridge Fuses 250V 3A Slo-Blo | 10,375In Stock | |||
22,500In Stock | ||||
15,000In Stock | ||||
12,000In Stock | ||||
2,377In Stock | ||||
5,200In Stock4,700 On Order Expected 28-May-26 | 576-01020074H 01020074H | |||
Mfr: 0216005.MXP TTI: 0216005.HXP Littelfuse Availability: 390In Stock1,000 On Order Expected 08-Jul-26 Cartridge Fuses 250V 5A Fast Acting | 390In Stock1,000 On Order Expected 08-Jul-26 | |||
1,940In Stock | ||||
Mfr: 0326015.MXP TTI: 0326015.MXP Littelfuse Availability: 4,400In StockCartridge Fuses 250V 15A Slo-Blo | 4,400In Stock | |||
12,000In Stock | ||||
1,360In Stock |
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- + $7.00 Per Reel