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International Electrotechnical Commission, 06/15/2021
Publisher: IEC
File Format: PDF
$72.00$145.00
Published:15/06/2021
Pages:19
File Size:1 file , 1.2 MB
Note:This product is unavailable in Ukraine, Russia, Belarus
IEC 60747-5-13:2021 provides the accelerated test method to assess effects of the tarnishing of silver and silver alloys used for LED packages due to hydrogen sulphide. Particularly, this test method is intended to give information on silver and silver alloy tarnishing effects to the luminous/radiant flux maintenance of LED packages. Additionally, this test method can give information on electric performances of LED packages due to corrosion of silver and silver alloys.
Communication networks and systems in substations - ALL PARTS
$149.00 $298.57
Amendment 2 - Household and similar electrical appliances - Safety - Part 2-40: Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers
$10.00 $20.00
Amendment 1 - Tumble dryers for household use - Methods for measuring the performance
$12.00 $24.00
Single crystal wafers for surface acoustic wave (SAW) device applications - Specifications and measuring methods
$85.00 $171.00
