Circuit Protection
342,756 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (144,132)
- Circuit Protection Kits (1,021)
- ESD Protection Diodes / TVS Diodes (70,698)
- Fuse Holders (6,306)
- Fuses (41,298)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (5,509)
- LED Protection Devices (294)
- Panelboards & Load Centers (1)
- Power Outlet Strips (3,738)
- Resettable Fuses - PPTC (6,449)
- Surge Protective Devices - SPD (10,991)
- Thermal Cutoffs (379)
- Thermistors (29,677)
- Thyristors (10,102)
- Varistors (28,591)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
Mfr: 0451.125MRL TTI: 0451.125MRL Littelfuse Availability: 31,000In StockSurface Mount Fuses 125VAC 0.125A 1.7ohms 451 NANO2 | 31,000In Stock | |||
Mfr: MF-SM100-2 TTI: MF-SM100-2 Bourns Availability: 12,000In StockResettable Fuses - PPTC 30V 1.1A-HD 40A MAX | 12,000In Stock | |||
8,300In Stock | MF-R050-0-99 | |||
Mfr: MF-SM030-2 TTI: MF-SM030-2 Bourns Availability: 14,000In Stock24,000 On Order Expected 27-Aug-26 Resettable Fuses - PPTC 60V 300MA-HD 10A MAX | 14,000In Stock24,000 On Order Expected 27-Aug-26 | |||
Mfr: 0298350.ZXH TTI: 0298350.ZXH Littelfuse Availability: 645In StockAutomotive Fuses 32V 350A Riveted | 645In Stock | |||
Mfr: 021706.3MXP TTI: 021706.3MXP Littelfuse Availability: 200In Stock1,000 On Order Expected 30-Oct-26 Cartridge Fuses 250 V 6.3A 5x20mm Fast Acting | 200In Stock1,000 On Order Expected 30-Oct-26 | |||
3,000In Stock6,000 On Order Expected 15-Mar-27 | ||||
858In Stock | ||||
Mfr: 37211000411 TTI: 37211000411 Littelfuse Availability: 702In Stock5,059 On Order Expected Fuses with Leads - Through Hole IEC TL LBC SL 1A TR5 | 702In Stock5,059 On Order Expected | |||
Mfr: SMBJ36A-E3/52 TTI: SMBJ36A-E3/52 Vishay Semiconductors Availability: 475,500In StockESD Protection Diodes / TVS Diodes 36V 1000W UniDir TransZorb 5% Tol | 475,500In Stock | SMBJ36A SMBJ36D-M3/H SMBJ36D-M3/I | ||
Mfr: 37212500411 TTI: 37212500411 Littelfuse Availability: 4,325In Stock4,800 On Order Expected 21-Sep-26 Fuses with Leads - Through Hole IEC TL LBC SL 2.5A TR5 | 4,325In Stock4,800 On Order Expected 21-Sep-26 | |||
140In Stock | ||||
12,000In Stock | ||||
Mfr: SMAJ18A-E3/61 TTI: SMAJ18A-E3/61 Vishay Semiconductors Availability: 140,400In StockESD Protection Diodes / TVS Diodes 400W 18V 5% Uni | 140,400In Stock | SMAJ18A-E3/5A | ||
Mfr: SMAJ26A-E3/61 TTI: SMAJ26A-E3/61 Vishay Semiconductors Availability: 70,200In Stock111,600 On Order Expected 06-Oct-26 ESD Protection Diodes / TVS Diodes 400W 26V 5% Uni | 70,200In Stock111,600 On Order Expected 06-Oct-26 | SMAJ26A-E3/5A | ||
Mfr: SMAJ6.0A-E3/61 TTI: SMAJ6.0A-E3/61 Vishay Semiconductors Availability: 34,200In Stock48,600 On Order Expected ESD Protection Diodes / TVS Diodes 400W 6.0V 5% Uni | 34,200In Stock48,600 On Order Expected | SMAJ6.0A-E3/5A | ||
Mfr: 83100000005 TTI: 83100000005 Littelfuse Availability: 17,375In StockFuse Holder ACS 5x20 mm Fuse Holder | 17,375In Stock | 8310000000 | ||
Mfr: SMBJ51A-E3/52 TTI: SMBJ51A-E3/52 Vishay Semiconductors Availability: 44,250In StockESD Protection Diodes / TVS Diodes 51V 1000W UniDir TransZorb 5% Tol | 44,250In Stock | SMBJ51D-M3/H SMBJ51D-M3/I | ||
Mfr: SMBJ7.5CA-E3/52 TTI: SMBJ7.5CA-E3/52 Vishay Semiconductors Availability: 226,500In StockESD Protection Diodes / TVS Diodes 7.5V 600W Bidir Tran sZorb 5% Tol | 226,500In Stock | SMBJ7.5CD-M3/H SMBJ7.5CD-M3/I | ||
Mfr: 178.6764.0001 TTI: 178.6764.0001 Littelfuse Availability: 4,261,668In StockFuse Holder FL1 (Mini) PCB Holder | 4,261,668In Stock | |||
Mfr: 0239003.MXP TTI: 0239003.MXP Littelfuse Availability: 10,275In StockCartridge Fuses 250V 3A Slo-Blo | 10,275In Stock | |||
20,000In Stock30,000 On Order Expected 30-Oct-26 | ||||
Mfr: SMCJ12CA-E3/57T TTI: SMCJ12CA-E3/57T Vishay Semiconductors Availability: 97,750In StockESD Protection Diodes / TVS Diodes 1500W 12V Bidirect | 97,750In Stock | SMCJ12CA-E3/9AT | ||
Mfr: NCP15WF104F03RC TTI: NCP15WF104F03RC Murata Electronics Availability: 30,000In StockNTC Thermistors 100K OHM 1% | 30,000In Stock | |||
6,000In Stock3,000 On Order Expected 24-Sep-26 |
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