1.1 This standard ( Part III) is intended to give guidance to all concerned with the design, construction, use and maintenance of equipments using thyristors so that optimum device performance and life may be ensured.
1.1.1 This standard should be used in conjunction with IS:5469 (Part I)-1969* which is necessary adjunct to this standard.
IS 5469 Pt.3-1973 history
1974IS 5469 Pt.3-1973 Code of practice for use of semiconductor junction devices Part III Thyristors