Littelfuse - Circuit Protection
63,313 ResultsCategories of Circuit Protection
- Circuit Breakers & Accessories (350)
- Circuit Protection Kits (821)
- ESD Protection Diodes / TVS Diodes (14,330)
- Fuse Holders (3,350)
- Fuses (27,194)
- Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,661)
- LED Protection Devices (286)
- Resettable Fuses - PPTC (3,820)
- Surge Protective Devices - SPD (2,507)
- Thermal Cutoffs (109)
- Thermistors (4,908)
- Thyristors (5,591)
- Varistors (8,447)
Part | Availability | Purchasing | RoHS/Lead | Part # Aliases |
|---|---|---|---|---|
450In Stock | ||||
Mfr: SP3022-01ETG TTI: SP3022-01ETG Littelfuse Availability: 20,000In Stock30,000 On Order Expected 26-Aug-26 ESD Protection Diodes / TVS Diodes 0.35pF 20kV BIDIRECTIONAL | 20,000In Stock30,000 On Order Expected 26-Aug-26 | |||
208In Stock | NPSTH103F3V2FDM01 | |||
Mfr: TPSMF4L36A TTI: TPSMF4L36A Littelfuse Availability: 78,000In StockESD Protection Diodes / TVS Diodes 2kW 36V AEC-Q101 5% Uni-Directional | 78,000In Stock | |||
0In Stock770 On Order Expected 10-Jun-26 | ||||
3,000In Stock | ||||
Mfr: SMBJ12CA-E TTI: SMBJ12CA-E Littelfuse Availability: 111,000In StockESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ12CA 3K T&R | 111,000In Stock | |||
Mfr: SMBJ43CA-E TTI: SMBJ43CA-E Littelfuse Availability: 45,000In Stock42,000 On Order Expected ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ43CA 3K T&R | 45,000In Stock42,000 On Order Expected | |||
100In Stock | ||||
Mfr: 0312020.MXP TTI: 0312020.MXP Littelfuse Availability: 3,100In StockCartridge Fuses 32V 20A Fast Acting | 3,100In Stock | |||
Mfr: RF0312-000 TTI: SMD200F-2 Littelfuse Availability: 1,500In StockResettable Fuses - PPTC 2A 15V 40A Imax | 1,500In Stock | C07648-000 RF0312-000 | ||
Mfr: 904-216-001 TTI: 904-216-001 Littelfuse Availability: 2,330In StockFuse Holder Accessories HARDWARE | 2,330In Stock | |||
Mfr: 0216001.MXP TTI: 0216001.MXP Littelfuse Availability: 400In StockCartridge Fuses 250V 1A Fast Acting | 400In Stock | |||
5,925In Stock | ||||
Mfr: 0459002.UR TTI: 0459002.UR Littelfuse Availability: 109,500In StockSurface Mount Fuses 125V 2A Fast Acting | 109,500In Stock | |||
1,300In Stock6,000 On Order Expected 04-Aug-26 | ||||
1,000In Stock12,000 On Order Expected 18-Sep-26 | ||||
6,000In Stock | ||||
Mfr: 37421000410 TTI: 37421000410 Littelfuse Availability: 460In StockFuses with Leads - Through Hole 250V UL TL SL 10A TR5 | 460In Stock | |||
Mfr: 37215000411 TTI: 37215000411 Littelfuse Availability: 775In StockFuses with Leads - Through Hole IEC TL LBC SL 5A TR5 | 775In Stock | |||
Mfr: 37202500411 TTI: 37202500411 Littelfuse Availability: 493In StockFuses with Leads - Through Hole IEC TL LBC SL .250A TR5 | 493In Stock | |||
12,500In Stock | ||||
10,000In Stock | ||||
8,000In Stock | F21464-000 RF3207-000 | |||
Mfr: 5.0SMDJ60A TTI: 5.0SMDJ60A Littelfuse Availability: 9,000In StockESD Protection Diodes / TVS Diodes 5kW 60V 5% Uni-Directional | 9,000In Stock |
