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 |
|---|---|---|---|---|
Mfr: 0451020.MRL TTI: 0451020.MRL Littelfuse Availability: 3,000In StockSurface Mount Fuses 20A 65V NANO2 | 3,000In Stock | |||
24,700In Stock | ||||
2,130In Stock1,567 On Order Expected 07-Oct-26 | ||||
4,500In Stock | ||||
1,200In Stock8,400 On Order Expected 02-Dec-26 | ||||
2,000In Stock4,500 On Order Expected 02-Oct-26 | ||||
600In Stock | ||||
Mfr: 38212000410 TTI: 38212000410 Littelfuse Availability: 1,450In StockFuses with Leads - Through Hole 250V IEC TL SL 2A TR5 | 1,450In Stock | |||
Mfr: 57500000001 TTI: 57500000001 Littelfuse Availability: 100In StockFuse Holder Accessories 570 571 575 Cap TR5/TE5 Holder | 100In Stock | |||
Mfr: 39611000440 TTI: 39611000440 Littelfuse Availability: 2,050In StockFuses with Leads - Through Hole 125V UL TL SL 1A TE5 | 2,050In Stock | |||
Mfr: 37318000410 TTI: 37318000410 Littelfuse Availability: 1,000In StockFuses with Leads - Through Hole 250V UL FA SL 8A TR5 | 1,000In Stock | |||
Mfr: RF1545-000 TTI: LR4-550F Littelfuse Availability: 2,400In StockResettable Fuses - PPTC 5.5A 20V 100A Imax | 2,400In Stock | E74816-000 RF1545-000 | ||
Mfr: RF2638-000 TTI: RXEF090-2 Littelfuse Availability: 15,000In StockResettable Fuses - PPTC Radial Lead .9A 72V 40A Imax | 15,000In Stock | A83967-000 RF2638-000 | ||
Mfr: 153.5631.5502 TTI: 153.5631.5502 Littelfuse Availability: 825In Stock28,805 On Order Expected Automotive Fuses 50A 32VDC BF1 RED M5 TWO HOLES | 825In Stock28,805 On Order Expected | |||
1,050In Stock | D86144-000 RF3321-000 | |||
Mfr: 2920L150DR TTI: 2920L150DR Littelfuse Availability: 13,500In StockResettable Fuses - PPTC 1.50A 33V 2920 | 13,500In Stock | |||
1,050In Stock | ||||
Mfr: RF3122-000 TTI: VTP210GF Littelfuse Availability: 14,800In StockResettable Fuses - PPTC 2.1A 16V 100A Imax | 14,800In Stock | F56527-000 RF3122-000 | ||
Mfr: 0213002.MXP TTI: 0213002.MXP Littelfuse Availability: 650In Stock1,525 On Order Expected Cartridge Fuses 250V 2A Slo-Blo | 650In Stock1,525 On Order Expected | |||
Mfr: 031302.5MXP TTI: 031302.5HXP Littelfuse Availability: 1,000In StockCartridge Fuses 250V 2.5A Slo-Blo | 1,000In Stock | |||
Mfr: 0312.100MXP TTI: 0312.100HXP Littelfuse Availability: 1,900In Stock3,000 On Order Expected 29-Sep-26 Cartridge Fuses 250V .1A Fast Acting 3AG | 1,900In Stock3,000 On Order Expected 29-Sep-26 | |||
500In Stock | ||||
Mfr: 04611.25ER TTI: 04611.25ER Littelfuse Availability: 22,500In StockSurface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 | 22,500In Stock | 576-04611.25 04611.25 | ||
340In Stock | ||||
Mfr: SMBJ24CA-E TTI: SMBJ24CA-E Littelfuse Availability: 54,000In Stock147,000 On Order Expected ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ24CA 3K T&R | 54,000In Stock147,000 On Order Expected |