GB/T 8553-2023 Generic specification for enclosures for crystal units

GB/T 8553-1987

GB/T 2421-2020 Environmental testing—General and guidance GB/T 2422-2012 Environmental testing—Guide to drafting of test methods—Terms and definitions GB/T 2423.3-2016 Environmental testing—Part 2:Testing method—Test Cab:Damp heat,steady state GB/T 2423.17-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ka:Salt mist GB/T 2423.22-2012 Environmental testing—Part 2:Test methods—Test N:Change of temperature GB/T 2423.23-2013 Environmental testing—Part 2:Test methods—Test Q:Sealing GB/T 2423.50-2012 Environmental testing—Part 2:Test methods—Test Cy:Damp heat,steady state,accelerated test primarily intended for components GB/T 2423.60-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test U:Robustness of terminations and integral mounting devices GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 5593-2015 Structure ceramic materials used in electronic component and device GB/T 16921-2005 Metallic coatings—Measurement of coating thickness—X-ray spectrometric methods GB/T 26572-2011 Requirements of concentration limits for certain restricted substances in electrical and electronic products IEC 60068-2-20:2021