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 |
|---|---|---|---|---|
Mfr: 03131.25MXP TTI: 03131.25HXP Littelfuse Availability: 1,450In StockCartridge Fuses 250V 1.25A Slo-Blo | 1,450In Stock | |||
Mfr: 0218.160MXP TTI: 0218.160HXP Littelfuse Availability: 175In Stock1,000 On Order Expected 11-Sep-26 Cartridge Fuses 250V .16A Time Lag (Slo-Blo) | 175In Stock1,000 On Order Expected 11-Sep-26 | |||
Mfr: SP1002-01JTG TTI: SP1002-01JTG Littelfuse Availability: 9,000In StockESD Protection Diodes / TVS Diodes 1 channel bi-directional | 9,000In Stock | |||
595In Stock | ||||
Mfr: 0326001.MXP TTI: 0326001.HXP Littelfuse Availability: 50In Stock1,000 On Order Expected 02-Sep-26 Cartridge Fuses 250V 1A Slo-Blo | 50In Stock1,000 On Order Expected 02-Sep-26 | |||
5,000In Stock30,000 On Order Expected 11-Aug-26 | ||||
3,500In Stock | 576-122090 122090 | |||
Mfr: PGB1010603MRHF TTI: PGB1010603MRHF Littelfuse Availability: 4,000In Stock11,000 On Order Expected 13-Aug-26 ESD Protection Diodes / TVS Diodes PULSEGUARD 0603 HALOGEN FREE | 4,000In Stock11,000 On Order Expected 13-Aug-26 | |||
Mfr: LFJ60030FBC TTI: LFJ60030FBC Littelfuse Availability: 2,588In StockFuse Holder Accessories CLASS J FUSE BLOCK 600V 30A COVER | 2,588In Stock | |||
Mfr: LFR600603CID TTI: LFR600603CID Littelfuse Availability: 154In StockFuse Holder CLASS R FUSE BLOCK 600V 60A 3 POLE | 154In Stock | |||
Mfr: LFJ600603CID TTI: LFJ600603CID Littelfuse Availability: 21In StockFuse Holder CLASS J FUSE BLOCK 600V 60A 3 POLE | 21In Stock | |||
26,000In Stock | ||||
1,630In Stock | ||||
80In Stock | ||||
Mfr: 336638-000 TTI: LVR040S Littelfuse Availability: 0In Stock4,800 On Order Expected 01-Sep-26 Resettable Fuses - PPTC .4A 240VAC 20/5.5A Imax | 0In Stock4,800 On Order Expected 01-Sep-26 | 336638-000 | ||
290In Stock | ||||
800In Stock | ||||
Mfr: SRDA3.3-4BTG TTI: SRDA3.3-4BTG Littelfuse Availability: 15,000In StockESD Protection Diodes / TVS Diodes 35A 8pF Lightning Protection | 15,000In Stock | |||
2,050In Stock | ||||
2,730In Stock | ||||
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 |