Littelfuse - Circuit Protection
64,712 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (754)
- Circuit Protection Kits (822)
- ESD Protection Diodes / TVS Diodes (15,296)
- Fuse Holders (3,361)
- Fuses (27,205)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,665)
- LED Protection Devices (285)
- Resettable Fuses - PPTC (3,803)
- Surge Protective Devices - SPD (2,505)
- Thermal Cutoffs (112)
- Thermistors (4,891)
- Thyristors (5,582)
- Varistors (8,455)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
Mfr: 0251.500MRT1L TTI: 0251.500MRT1L Littelfuse Availability: 6,000In Stock10,000 On Order Expected 21-Oct-26 Fuses with Leads - Through Hole 125V .5A | 6,000In Stock10,000 On Order Expected 21-Oct-26 | |||
Mfr: RF2639-000 TTI: RUEF090 Littelfuse Availability: 25,600In StockResettable Fuses - PPTC .9A 30V 100A Imax | 25,600In Stock | C15140-000 RF2639-000 | ||
Mfr: SP0502BAHTG TTI: SP0502BAHTG Littelfuse Availability: 93,000In StockESD Protection Diodes / TVS Diodes 2 Channel SMT array | 93,000In Stock | |||
Mfr: 178.6165.0001 TTI: 178.6165.0001 Littelfuse Availability: 2,440In StockFuse Holder FUSEHOLDER FOR FLR | 2,440In Stock | |||
24,000In Stock | ||||
120,000In Stock | ||||
Mfr: 0FHA0001ZXJ TTI: 0FHA0001ZXJ Littelfuse Availability: 6,220In StockFuse Holder ATO INLINE FUSEHOLDR 16AWG BLACK | 6,220In Stock | |||
Mfr: FHAC0001ZXJG TTI: FHAC0001ZXJG Littelfuse Availability: 3,560In StockFuse Holder HOLDER ATO INLINE BLACK WIRE | 3,560In Stock | |||
139In Stock | ||||
Mfr: 0498900.TXN TTI: 0498900.TXN Littelfuse Availability: 250In StockFuse Holder 32V Bolt-Down High-Current Fuse Holder with Out-Board Mounting Base, A & D Cover, No Hardware | 250In Stock | |||
4,840In Stock | 01530009 | |||
1,030In Stock | ||||
Mfr: SRV05-4HTG-D TTI: SRV05-4HTG-D Littelfuse Availability: 60,000In Stock87,000 On Order Expected ESD Protection Diodes / TVS Diodes ESD 6V UNI | 60,000In Stock87,000 On Order Expected | |||
Mfr: 0312006.MXP TTI: 0312006.HXP Littelfuse Availability: 400In Stock2,600 On Order Expected 28-Jan-27 Cartridge Fuses 250V 6A Fast Acting | 400In Stock2,600 On Order Expected 28-Jan-27 | |||
1,900In Stock | ||||
Mfr: 0215008.MXP TTI: 0215008.MXP Littelfuse Availability: 6,850In StockCartridge Fuses 250V 8A Slo-Blo | 6,850In Stock | |||
Mfr: 64600001223 TTI: 64600001223 Littelfuse Availability: 5,900In StockFuse Holder ACS 5X20MM BLOCK 3.2MM PINS | 5,900In Stock | |||
Mfr: 0451002.MRL TTI: 0451002.MRL Littelfuse Availability: 4,000In Stock2,000 On Order Expected 13-Nov-26 Surface Mount Fuses 125VAC 2A .0367ohms 451 NANO2 | 4,000In Stock2,000 On Order Expected 13-Nov-26 | |||
Mfr: 03136.25MXP TTI: 03136.25HXP Littelfuse Availability: 3,700In StockCartridge Fuses 250V 6.25A Slo-Blo | 3,700In Stock | |||
Mfr: RF1342-000 TTI: DECASMDC050F/60-2 Littelfuse Availability: 3,000In StockResettable Fuses - PPTC .55A 60V 10A Imax | 3,000In Stock | D61614-000 RF2980-000 RF1342-000 | ||
5,050In Stock | ||||
Mfr: 0451007.MRL TTI: 0451007.MRL Littelfuse Availability: 6,000In StockSurface Mount Fuses 125VAC 7A .009ohms 451 NANO2 | 6,000In Stock | |||
Mfr: 0312008.MXP TTI: 0312008.HXP Littelfuse Availability: 2,000In Stock3,000 On Order Expected 04-Dec-26 Limited Supply Cartridge Fuses 250V 8A Fast Acting | 2,000In Stock3,000 On Order Expected 04-Dec-26 Limited Supply | |||
8,400In Stock | ||||
Mfr: 0477.500MXP TTI: 0477.500MXP Littelfuse Availability: 1,700In StockCartridge Fuses 500Vac 400Vdc TL 5X20 500mA | 1,700In Stock |