Aerospace

Gas Discharge Tube Suits High Bandwidth Apps

13 February 2017

SH Series gas discharge tube. Source: Littelfuse.   SH Series gas discharge tube. Source: Littelfuse. Littelfuse, Inc., has introduced reportedly the smallest (5.0×5.0×4.2 mm) squared Gas Discharge Tube (GDT) with a 5 kA surge capability and a ≤0.7 pF off-state capacitance value. The SH Series GDT is designed to provide high levels of protection against fast-rising transients caused by lightning disturbances. Its low off-state capacitance is compatible with high bandwidth applications and this capacitance loading value does not vary if the signal voltage across the GDT changes. It was specifically designed for protection of electrical, multimedia and communication equipment against overvoltage transients.

Typical applications include G.fast, xDSL, 10GbE and 10/100/1000 Base-T Ethernet port protection for the telecom/datacom market; coaxial cable protection in satellite, CATV equipment and set top boxes for consumer products; industrial automation interfaces such as Ethernet, RS-485, RS-232, etc. for the industrial market; and AC power line protection in power inverter/Variable Frequency Drives (VFDs) for the renewable energy market.


The gas discharge tubes are available in tape and reel packaging in quantities of 900. Samples are available.



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