Littelfuse, Inc. Datasheets for Fuses

Fuses protect electrical devices and components from overcurrents and short circuits that occur in improperly operating circuits.
Fuses: Learn more

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Product Name Notes
Ballast Cartridge Fuses
Lead-free Slo-Blo® Small size Wide range of current ratings available Wide operating temperature range Low temperature de-rating
Lead-free Slo-Blo® Small size Wide range of current ratings available Wide operating temperature range Low temperature derating
The 250 NANO2 Fuse is a small square surface mount fuse that is designed to support higher voltage space sensitive applications. Enables compliance with the RoHS directive and is fully...
The 438A series AEC-Q200 Qualified fuses are specifically tested to cater to secondary circuit protection needs of compact auto electronics applications. AEC-Q200 Qualified Fast response to faulty current to ensure...
The 440 Series is a 100% Lead-free, RoHS compliant and Halogen-free fuse series designed specifically to provide over-current protection to circuits that operate under high working ambient temperatures up to...
The 440A series AEC-Q200 Qualified fuses are specifically tested to cater to secondary circuit protection needs of compact auto-electronics applications. AEC-Q200 Qualified Fast response to faulty current to ensure over-current...
The 441A series AEC-Q200 Qualified fuses are specifically tested to cater to secondary circuit protection needs of compact auto-electronics applications. AEC-Q200 Qualified Fast response to faulty current to ensure over-current...
The 443E Series is a Nano2®, 250 V fuse. It is a surface mount Universal Modular Fuse (UMF) that complies with IEC 60127-4. It is RoHS-compliant and fully compatible with...
The 443LC Series NANO²® fuse is a 4012 footprint, Slo Blo surface mount fuse which provides overcurrent protection for applications with working voltage up to 277VAC. Its high I2t provides...
The lead free Nano2® SMF Fuse is a very small, square surface mount fuse that is RoHS compliant and 100% Lead-Free. This product is fully compatible with lead-free solder alloys...
The NANO2 Slo-Blo fuse has enhanced inrush withstand characteristics over the NANO2 Fast-Acting fuse. The unique time delay feature of this fuse design helps solve the problem of nuisance "opening"...
The Nano2 SMF Fuse is a very small, square surface mount fuse that is also available in a surface mount holder. Very fast-acting Small size Wide range of current rating...
The Nano2® SMF Fuse is a very small, Wire-in-Air (WIA) square shape surface mount fuse which is very suitable for the secondary side circuit over-current protection applications and is designed...
This 100% Lead Free and RoHS compliant fuse series has been designed specifically to provide over current protection to circuits that see high working ambient temperatures (up to 150ºC).The general...
This 100% Lead-free, RoHS compliant and Halogen-free fuse series is designed specifically to provide over-current protection to circuits that require high working ambient temperatures (up to 150ºC) and high inrush...

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