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Surge Protection Device (SPD) for installation in a low-voltage distribution board. A surge protector (or spike suppressor, surge suppressor, surge diverter, [1] surge protection device (SPD), transient voltage suppressor (TVS) or transient voltage surge suppressor (TVSS)) is an appliance or device intended to protect electrical devices in alternating current (AC) circuits from voltage spikes ...
The word Magazine was added to the name with the third issue in June 1982, [6] but not added to the logo until January 1986.) [2] PC Magazine was created by David Bunnell, Jim Edlin, and Cheryl Woodard [7] (who also helped Bunnell found the subsequent PC World and Macworld magazines). David Bunnell, Edward Currie and Tony Gold were the ...
A transient-voltage-suppression diode can respond to over-voltages faster than other common over-voltage protection components such as varistors or gas discharge tubes. The actual clamping occurs in roughly one picosecond, but in a practical circuit the inductance of the wires leading to the device imposes a higher limit. This makes transient ...
It necessitates the test of surge immunity in electrical or electronic equipment. IEC 61000-4-5 defines test set-up, procedures, and classification levels. In particular, it standardizes the required surge voltage and current waveforms for laboratory testing, with the "1.2/50-8/20 μs" impulse being the most frequently used surge waveform.
Its columnists moved to Personal Computer World, the first British computer magazine. PC Magazine UK's launch edition was in April 1992, and the launch event, in March, was on a scale that no other technology magazine had experienced before or since, and was typical of the way publisher Ziff-Davis conducted business over the nine years it ...
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