Circuit Protection
344,913 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (144,159)
- Circuit Protection Kits (1,021)
- ESD Protection Diodes / TVS Diodes (71,666)
- Fuse Holders (6,430)
- Fuses (41,609)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (5,510)
- LED Protection Devices (293)
- Panelboards & Load Centers (1)
- Power Outlet Strips (3,777)
- Resettable Fuses - PPTC (6,436)
- Surge Protective Devices - SPD (10,991)
- Thermal Cutoffs (391)
- Thermistors (29,909)
- Thyristors (10,095)
- Varistors (29,026)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
Mfr: 1812L020PR TTI: 1812L020PR Littelfuse Availability: 8,000In StockResettable Fuses - PPTC 30V 1812 .200A POLYFUSE | 8,000In Stock | |||
500In Stock | ||||
Mfr: 37415000410 TTI: 37415000410 Littelfuse Availability: 1,100In StockFuses with Leads - Through Hole 250V UL TL SL 5A TR5 | 1,100In Stock | |||
Mfr: 01550430ZXU TTI: 01550430ZXU Littelfuse Availability: 1,800In StockFuse Holder ATO INLINE UNASSMBLD | 1,800In Stock | 155430U | ||
Mfr: 0325030.MXP TTI: 0325030.HXP Littelfuse Availability: 20In StockCartridge Fuses 30A 250VAC 3AB Slo Blo Time Lag | 20In Stock | |||
Mfr: 37208000411 TTI: 37208000411 Littelfuse Availability: 200In StockFuses with Leads - Through Hole 250V .800A IEC TL LBC TR5 SL | 200In Stock | |||
Mfr: 0154005.DR TTI: 0154005.DR Littelfuse Availability: 6,000In Stock9,000 On Order Expected 02-Feb-27 Surface Mount Fuses Fuseblock w/ fuse 5A OMNI BLOK 154 | 6,000In Stock9,000 On Order Expected 02-Feb-27 | |||
279In Stock | ||||
3,000In Stock9,000 On Order Expected 21-May-27 | ||||
15,000In Stock | ||||
Mfr: SMAJ13A-E3/61 TTI: SMAJ13A-E3/61 Vishay Semiconductors Availability: 153,000In StockESD Protection Diodes / TVS Diodes 400W 13V 5% Uni | 153,000In Stock | SMAJ13A-E3/5A | ||
Mfr: 0225.500MXP TTI: 0225.500HXP Littelfuse Availability: 1,900In StockCartridge Fuses 250V .5A Fast Acting | 1,900In Stock | |||
800In Stock | ||||
Mfr: SMAJ48CA-E3/61 TTI: SMAJ48CA-E3/61 Vishay Semiconductors Availability: 106,200In StockESD Protection Diodes / TVS Diodes 400W 48V 5% Bi | 106,200In Stock | SMAJ48CA-E3/5A | ||
Mfr: 153.5631.5801 TTI: 153.5631.5801 Littelfuse Availability: 120In StockAutomotive Fuses 80A 32VDC BF1 WHITE M5 TWO HOLES | 120In Stock | |||
Mfr: 36911000000 TTI: 36911000000 Littelfuse Availability: 7,000In Stock2,800 On Order Expected 12-Oct-26 Fuses with Leads - Through Hole 300V TL TE5 LL 1A | 7,000In Stock2,800 On Order Expected 12-Oct-26 | |||
Mfr: P6SMB27A-E3/52 TTI: P6SMB27A-E3/52 Vishay Semiconductors Availability: 1,500In StockESD Protection Diodes / TVS Diodes 600W 27V Unidirect | 1,500In Stock | |||
Mfr: 0459.500UR TTI: 0459.500UR Littelfuse Availability: 83,000In StockSurface Mount Fuses 125V .5A Fast Acting | 83,000In Stock | |||
10,000In Stock | ||||
Mfr: ERZ-V20D560 TTI: ERZ-V20D560 Panasonic Industry Availability: 1,350In Stock3,750 On Order Expected Varistors 56V 2000A ZNR SUR ABSORBER 20MM | 1,350In Stock3,750 On Order Expected | |||
Mfr: NTCLE203E3103FB0 TTI: NTCLE203E3103FB0 Vishay / BC Components Availability: 57,800In StockNTC Thermistors 10K OHM 1% | 57,800In Stock | 2381-640-55103 | ||
6,000In Stock | ||||
Mfr: 0877002.MXEP TTI: 0877002.MXEP Littelfuse Availability: 2,000In Stock2,500 On Order Expected 02-Dec-26 Cartridge Fuses 250V 3.6X10 2A FUSE SB PT PB-FREE | 2,000In Stock2,500 On Order Expected 02-Dec-26 | |||
Mfr: B57620C5103J062 TTI: B57620C5103J062 TDK Availability: 9,000In StockNTC Thermistors 10K J62 B-3730 NTC Thermistor 0805 | 9,000In Stock | B57620C5103J62 | ||
Mfr: RF3174-000 TTI: LVR075S-240 Littelfuse Availability: 13,500In StockResettable Fuses - PPTC LVR 240V .75A POLYSWITCH RESET | 13,500In Stock | RF3174-000 |