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: RF2713-000 TTI: RXEF375K Littelfuse Availability: 1,225In StockResettable Fuses - PPTC Radial Lead 3.75A 72V 40A Imax | 1,225In Stock | RF2713-000 | ||
3,000In Stock18,000 On Order Expected 09-Jul-26 | ||||
Mfr: 0456040.DR TTI: 0456040.DR Littelfuse Availability: 1,500In StockSurface Mount Fuses VAC 40A .00105ohms 456 NANO2 | 1,500In Stock | |||
0In Stock | ||||
Mfr: 3298400.ZXSTA TTI: 3298400.ZXSTA Littelfuse Availability: 210In StockAutomotive Fuses ZCase 32V 400A 480pc STARTER | 210In Stock | |||
Mfr: LSP05G347S TTI: LSP05G347S Littelfuse Availability: 690In StockLED Protection Devices 347V 5kA SERIES CON OPT IEC 61643-11 | 690In Stock | |||
Mfr: 04981038HXFC TTI: 04981038HXFC Littelfuse Availability: 40In StockFuse Holder 58V Bolt-Down Fuse Holder | 40In Stock | |||
Mfr: NPPSD103F3T1NE001 TTI: USP10975 Littelfuse Availability: 29,351In StockNTC Thermistors 10K OHM 1% PROBE ASSEMBLY | 29,351In Stock | NPPSD103F3T1NE001 | ||
Mfr: RF3367-000 TTI: RKEF110 Littelfuse Availability: 400In StockResettable Fuses - PPTC 60V 40A 2.20W Radial-leaded Device | 400In Stock | RF0866-000 RF3367-000 | ||
Mfr: RF2631-000 TTI: RXEF020-2 Littelfuse Availability: 6,000In StockResettable Fuses - PPTC Radial Lead .2A 72V 40A Imax | 6,000In Stock | A27863-000 RF2631-000 | ||
Mfr: 0239.250MXP TTI: 0239.250HXP Littelfuse Availability: 750In StockCartridge Fuses 250V .25A Slo-Blo | 750In Stock | |||
Mfr: RF1543-000 TTI: LR4-260F Littelfuse Availability: 1,600In StockResettable Fuses - PPTC 2.6A 15V 100A Imax | 1,600In Stock | D03110-000 RF1543-000 | ||
Mfr: RF0021-000 TTI: TRF250-145 Littelfuse Availability: 7,050In StockResettable Fuses - PPTC .145A 60Vdc MAX 250Vrms MAX | 7,050In Stock | RF0021-000 | ||
2,000In Stock | C97762-000 RF3256-000 | |||
3,000In Stock6,000 On Order Expected 10-Sep-26 | ||||
Mfr: 0325015.MXP TTI: 0325015.HXP Littelfuse Availability: 1,000In StockCartridge Fuses 250V 15A Slo-Blo | 1,000In Stock | |||
Mfr: 0229007.MXP TTI: 0229007.HXP Littelfuse Availability: 500In Stock1,600 On Order Expected Cartridge Fuses 125V 7A Slo-Blo | 500In Stock1,600 On Order Expected | |||
Mfr: RF3357-000 TTI: AHEF300 Littelfuse Availability: 300In StockResettable Fuses - PPTC 3A 32V High Temp AEC-Q200 | 300In Stock | RF1038-000 RF3357-000 | ||
Mfr: 0508.500MXP TTI: 0508.500MXP Littelfuse Availability: 980In StockCartridge Fuses FUSE 1000V 3AB FA PB-FREE .500A | 980In Stock | |||
Mfr: 0477.500MXEP TTI: 0477.500MXEP Littelfuse Availability: 290In Stock500 On Order Expected 14-Aug-26 Fuses with Leads - Through Hole 500Vac 400Vdc TL PT 5X20 500mA | 290In Stock500 On Order Expected 14-Aug-26 | |||
Mfr: 0477004.MXEP TTI: 0477004.MXEP Littelfuse Availability: 520In StockFuses with Leads - Through Hole 500Vac 400Vdc TL PT 5X20 4A | 520In Stock | |||
Mfr: TMOV20RP625E TTI: TMOV20RP625E Littelfuse Availability: 19In StockVaristors THERMALLY PROTECTED VARISTOR 20MM | 19In Stock | |||
Mfr: PGB1010603NRHF TTI: PGB1010603NRHF Littelfuse Availability: 15,000In StockESD Protection Diodes / TVS Diodes Pulseguard 0603 Halogen Free | 15,000In Stock | |||
Mfr: 0251.250MRT1L TTI: 0251.250MRT1L Littelfuse Availability: 2,000In Stock5,000 On Order Expected 26-Jun-26 Fuses with Leads - Through Hole 125V .25A | 2,000In Stock5,000 On Order Expected 26-Jun-26 | |||
Mfr: 02153.15MXP TTI: 02153.15MXP Littelfuse Availability: 475In StockCartridge Fuses 250V 3.15A Slo-Blo | 475In Stock |