Expertise Applied. Answers Delivered  


For eight decades, Littelfuse have been developing industry-leading circuit protection products by working closely with their customers. These unique partnerships have led to such innovations as the first small, fast-acting protective fuse in 1927, the first automotive blade fuses and the world’s smallest SIDACtor® device.


Littelfuse solutions can be found in virtually every product that requires electrical energy, from automobiles to computers to telecom devices. By combining their extensive product line with the knowledge of their application experts, they have the unique ability to evaluate customer needs and deliver the right solution.

Top Seller


SMBJ Series 48.4 V 0.6 kW Surface Mount Bi-Directional TVS Diode - DO-214AA

Mfr Part#:SMBJ30CA

RoHS compliant

From as low as   $0.1020 USD

Recently updated


MCR12DCM Series 600 V 12 A Silicon Controlled Rectifier - TO-252-3

Mfr Part#:MCR12DCMT4G

RoHS compliant

From as low as   $0.4500 USD

All LITTELFUSE... Products

By Category


Stay in touch with the latest news...