[Elecraft] potentially interesting (sorry, bad pun)

[Ron D'Eau Claire]

Steve KZ1X/4 wrote:

I've never seen one before, but I am curious ...

http://www.gigaparts.com/parts/profile.php?sku=zgr-hsp-1a

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Never heard of a power supply rated at "22 Amps @ .25 duty/sec." 

".25 duty/sec"?? Is that 22 amps for 1/4 of a second? 

The normal ratings used by the industry for power supplies are "CCS" or
"ICS". CCS stands for Continuous Commercial Service. ICS stands for
Intermittent Commercial Service. For many years that was ICAS for
Intermittent Commercial and Amateur Service, but it's being replaced by ICS
(I guess we Hams don't rate the special recognition any longer <G>).

I don't have a formal definition of ICAS or ICS on hand but if I recall
correctly it's typically 1.5 times the CCS rating for a device. For SSB/CW
operation, our rigs need a power supply rated at the peak current, ICAS. 

These are long-standing industry-wide definitions by which power supplies,
among other things, are specified so one knows how one unit compares with
others and if it meets our needs. I'd strongly question why some
manufacturer seems to be carefully avoiding using the industry-standard
means of specifying the unit. 

It's sort of like seeing a transmitter rated in "pseudo-ergs" of output
power. Hmmm... Not watts.... "What's a pseudo-erg?" 

"Oh, it's a lot. All you need!"

Hmmmmmmmmm...

Maybe there's a good explanation, but I'd want to see it before buying. 

Ron AC7AC