This standard specifies the model and size, rated values and characteristics, inspection rules, quality assessment categories, markings, packaging, etc. of fast reverse blocking triode thyristors (hereinafter referred to as fast thyristors) with symmetrical blocking characteristics and a rated on state average current of 100 A to 3000 A. This standard is applicable to symmetrical fast thyristors. Asymmetric fast thyristors can also be used as a reference. This standard is not applicable to fast gate turn-off thyristors. The following normative references are essential for the application of this document. For all cited documents with issue 8, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 4937-1995 Mechanical and Climatic Testing Methods for Semiconductor Devices GB/T 15291 Semi conductive Devices Part 6: Thyristors JB/T 2423: Method for Model Selection of Power Semiconductor Devices JB/T4277: Packaging of Power Semiconductor Devices JB/T 7626-2013: Test Methods for Reverse Blocking Tripolar Thyristors
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