Tech & Product

SPDs Arrest Surges In LED Apps

SPDs Arrest Surges In LED Apps
Littelfuse Inc.
April 15, 2014

Employing the company’s thermally protected varistors, the LSP05 and LSP10 surge protection device (SPD) modules integrate a thermal disconnect function that provides additional protection from catastrophic failures and fire hazards. Applications include outdoor and commercial LED lighting including roadway and traffic lighting, digital signage, service entrance lighting, parking garage/lot lighting, and street lighting. The LSP05 Module is configured with parallel connections while the LSP10 Module is available with either parallel or series connections. The series-connected version of the LSP10 is reportedly the world’s first indicating surge arrestor capable of handling surges of up to 20,000A. Datasheets are available at:

Littelfuse Inc.
Chicago, IL 60631


CompanyLittelfuse Inc.
CountryUnited States (USA)




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