Littelfuse - Circuit Protection
63,742 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (745)
- Circuit Protection Kits (822)
- ESD Protection Diodes / TVS Diodes (14,342)
- Fuse Holders (3,353)
- Fuses (27,213)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,661)
- LED Protection Devices (286)
- Resettable Fuses - PPTC (3,821)
- Surge Protective Devices - SPD (2,506)
- Thermal Cutoffs (109)
- Thermistors (4,909)
- Thyristors (5,590)
- Varistors (8,447)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
Mfr: RF2639-000 TTI: RUEF090 Littelfuse Availability: 27,450In StockResettable Fuses - PPTC .9A 30V 100A Imax | 27,450In Stock | C15140-000 RF2639-000 | ||
2,700In Stock7,850 On Order Expected 13-Aug-26 | ||||
Mfr: RF2653-000 TTI: RUEF700 Littelfuse Availability: 8,600In StockResettable Fuses - PPTC 7A 30V 100A Imax | 8,600In Stock | F56655-000 RF2653-000 | ||
Mfr: 0314025.MXP TTI: 0314025.HXP Littelfuse Availability: 1,775In Stock2,000 On Order Expected 07-Aug-26 Cartridge Fuses 250V 25A Fast Acting | 1,775In Stock2,000 On Order Expected 07-Aug-26 | |||
Mfr: 0314020.MXP TTI: 0314020.MXP Littelfuse Availability: 6,200In StockCartridge Fuses 250V 20A Fast Acting | 6,200In Stock | |||
Mfr: 0312006.MXP TTI: 0312006.HXP Littelfuse Availability: 4,300In StockCartridge Fuses 250V 6A Fast Acting | 4,300In Stock | |||
Mfr: 0451003.MRL TTI: 0451003.MRL Littelfuse Availability: 5,000In StockSurface Mount Fuses 125VAC 3A .0227ohms 451 NANO2 | 5,000In Stock | |||
Mfr: 0313001.MXP TTI: 0313001.MXP Littelfuse Availability: 3,500In StockCartridge Fuses 250V 1A Slo-Blo | 3,500In Stock | |||
Mfr: 0451002.MRL TTI: 0451002.MRL Littelfuse Availability: 6,000In StockSurface Mount Fuses 125VAC 2A .0367ohms 451 NANO2 | 6,000In Stock | |||
Mfr: 021606.3MXP TTI: 021606.3HXP Littelfuse Availability: 250In StockLimited Supply Cartridge Fuses 250V 6.3A Fast Acting | 250In StockLimited Supply | |||
Mfr: 031306.3MXP TTI: 031306.3HXP Littelfuse Availability: 1,150In StockCartridge Fuses 250V 6.3A Slo-Blo | 1,150In Stock | |||
Mfr: 178.6165.0001 TTI: 178.6165.0001 Littelfuse Availability: 2,410In StockFuse Holder FUSEHOLDER FOR FLR | 2,410In Stock | |||
Mfr: SP0502BAHTG TTI: SP0502BAHTG Littelfuse Availability: 36,000In Stock48,000 On Order Expected 14-Aug-26 ESD Protection Diodes / TVS Diodes 2 Channel SMT array | 36,000In Stock48,000 On Order Expected 14-Aug-26 | |||
9,000In Stock | ||||
15,000In Stock | ||||
4,500In Stock | ||||
48,000In Stock | ||||
5,000In Stock15,000 On Order Expected 02-Dec-26 | ||||
6,000In Stock | ||||
Mfr: 0312008.MXP TTI: 0312008.HXP Littelfuse Availability: 550In StockLimited Supply Cartridge Fuses 250V 8A Fast Acting | 550In StockLimited Supply | |||
21,600In Stock | ||||
Mfr: V30MLA0805LNH TTI: V30MLA0805LNH Littelfuse Availability: 22,500In Stock25,000 On Order Expected 07-Oct-26 Varistors 30V 30A 90pF | 22,500In Stock25,000 On Order Expected 07-Oct-26 | |||
Mfr: PGB1010402KR TTI: PGB1010402KR Littelfuse Availability: 90,000In Stock70,000 On Order Expected 11-Aug-26 ESD Protection Diodes / TVS Diodes PULSEGUARD 0402 ESD SUPPRESSOR | 90,000In Stock70,000 On Order Expected 11-Aug-26 | |||
Mfr: 0477.500MXP TTI: 0477.500MXP Littelfuse Availability: 1,975In StockCartridge Fuses 500Vac 400Vdc TL 5X20 500mA | 1,975In Stock | |||
Mfr: LSP05G480S TTI: LSP05G480S Littelfuse Availability: 690In Stock850 On Order Expected 18-Sep-26 LED Protection Devices LSP THERMALLY PROTECTED | 690In Stock850 On Order Expected 18-Sep-26 |
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