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 |
|---|---|---|---|
Mfr: SMBJ12CA-E TTI: SMBJ12CA-E Littelfuse Availability: 105,000In StockESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ12CA 3K T&R | 105,000In Stock | ||
Mfr: SMBJ43CA-E TTI: SMBJ43CA-E Littelfuse Availability: 54,000In Stock57,000 On Order Expected 13-Oct-26 ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ43CA 3K T&R | 54,000In Stock57,000 On Order Expected 13-Oct-26 | ||
Mfr: 37202500411 TTI: 37202500411 Littelfuse Availability: 373In StockFuses with Leads - Through Hole IEC TL LBC SL .250A TR5 | 373In Stock | ||
Mfr: 37421000410 TTI: 37421000410 Littelfuse Availability: 1,160In Stock250 On Order Expected 27-Jul-26 Fuses with Leads - Through Hole 250V UL TL SL 10A TR5 | 1,160In Stock250 On Order Expected 27-Jul-26 | ||
Mfr: 178.6164.0002 TTI: 178.6164.0002 Littelfuse Availability: 555In StockFuse Holder 80V/FLR PCB ATO FUSEHOLDER | 555In Stock | ||
Mfr: 0263.125MXL TTI: 0263.125MXL Littelfuse Availability: 750In StockFuses with Leads - Through Hole 250V.125A PICO II | 750In Stock | ||
Mfr: 0230003.MXP TTI: 0230003.HXP Littelfuse Availability: 4,950In Stock3,000 On Order Expected 16-Nov-26 Cartridge Fuses 250V 3A Slo-Blo 2AG | 4,950In Stock3,000 On Order Expected 16-Nov-26 | ||
57In Stock | |||
Mfr: 0218.160MXP TTI: 0218.160HXP Littelfuse Availability: 75In StockCartridge Fuses 250V .16A Time Lag (Slo-Blo) | 75In Stock | ||
Mfr: LFJ601001CID TTI: LFJ601001CID Littelfuse Availability: 2In StockFuse Holder CLASS J FUSE BLOCK 600V 100A 1 POLE | 2In Stock | ||
Mfr: LFR600603CID TTI: LFR600603CID Littelfuse Availability: 142In StockFuse Holder CLASS R FUSE BLOCK 600V 60A 3 POLE | 142In Stock | ||
800In Stock | |||
Mfr: LFJ60060FBC TTI: LFJ60060FBC Littelfuse Availability: 1,160In Stock239 On Order Expected 23-Jul-26 Fuse Holder Accessories CLASS J FUSE BLOCK 600V 60A COVER | 1,160In Stock239 On Order Expected 23-Jul-26 | ||
1,175In Stock | |||
2,000In Stock | |||
Mfr: 0451.750MRL TTI: 0451.750MRL Littelfuse Availability: 1,000In Stock9,000 On Order Expected 08-Dec-26 Surface Mount Fuses 125VAC 0.75A .1444ohms 451 NANO2 | 1,000In Stock9,000 On Order Expected 08-Dec-26 | ||
Mfr: SRDA3.3-4BTG TTI: SRDA3.3-4BTG Littelfuse Availability: 12,500In StockESD Protection Diodes / TVS Diodes 35A 8pF Lightning Protection | 12,500In Stock | ||
100In Stock | |||
9,000In Stock | |||
100In Stock | |||
Mfr: 37215000411 TTI: 37215000411 Littelfuse Availability: 775In StockFuses with Leads - Through Hole IEC TL LBC SL 5A TR5 | 775In Stock | ||
Mfr: 0235006.MXP TTI: 0235006.HXP Littelfuse Availability: 2,781In StockCartridge Fuses 125V 6A 5X20mm Fast Acting | 2,781In Stock | ||
9,000In Stock | |||
Mfr: PGB1010603MRHF TTI: PGB1010603MRHF Littelfuse Availability: 12,000In Stock8,000 On Order Expected 13-Aug-26 ESD Protection Diodes / TVS Diodes PULSEGUARD 0603 HALOGEN FREE | 12,000In Stock8,000 On Order Expected 13-Aug-26 | ||
1,000In Stock |
