TDK has introduced a new EPCOS gas-filled surge arrester consisting of a stack of five individual arresters, developed specifically to protect the power supplies of telecommunications equipment. Its rated DC operating voltage is 48 V d.c. plus 20% according to IEC 61643-11. The special feature of this arrester is its reliable quenching of an applied DC voltage.
The LN8-A1400DC-5 arrester stack measures 16,3 x 8,4 x 8,9 mm and thus takes up significantly less space than five discrete arresters. It has a surge current capability of 20 kA at an impulse wave of 8/20 μs and 4 kA at an impulse wave of 10/350 μs.
The arrester conforms to climate category 40/90/21 of IEC 600068-1 and is designed for operating temperatures from -40°C to +90°C. With a low capacitance of less than 1 pF (1 MHz) and a high insulation resistance of more than 10 G (100 V d.c.), this RoHS-compatible SMD component has negligible parasitic coefficients.
The LN8-A1400DC-5 arrester is also available on tape and reel for automated SMD placement with the type designation LN8A-A1400DC-5.
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