PASS ELEMENT
A controlled variable resistance device, either a vacuum tube or semiconductor, in series with the dc power source used to provide regulation.
2024 Product Catalog
Spellman’s High Voltage Power Supply Catalog features a complete listing of all standard Modules, X-Ray Sources, Rack, X-Ray Generator and Application Specific Products.
2024 High Voltage Reference Manual
We compiled all of our useful FAQ’s, application notes, articles, technical papers and three glossaries into a single handy reference guide.Contact
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