Cellular Towers with Active Antennas

Equip cellular towers with active antennas with electronics that withstand extreme temperatures and humidity. This block diagram highlights Littelfuse products that meet those demands. We make surge protective devices that use metal oxide varistors, gas discharge tubes, and TVS diodes to provide overvoltage and lightning protection. We also supply high-voltage fuses to protect signal amplifiers.

Block Diagram

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Technology:
Product Series:TMOV, LST
Features:Normally open and normally closed options for remote indication
Benefits:Same footprint for 50 kA and 75 kA Imax for same PCB layout (LST)

Technology:
Product Series:LTKAK10, SMTOAK2
Features:High transient current rating (10 kA; 8/20 s) with lower clamping voltage compared to alternative technologies
Benefits:Low clamping voltage, allowing lower voltage rating components downstream

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