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ASTM E490-00a(2019) - Standard Solar Constant and Zero Air Mass Solar Spectral Irradiance Tables
November 1, 2019 - ASTM International

1.1 These tables define the solar constant and zero air mass solar spectral irradiance for use in thermal analysis, thermal balance testing, and other tests of spacecraft and spacecraft components and materials. Typical applications include the calculation of solar absorptance...

PC62.11/D6.0 Sep 2019 - IEEE Draft Standard for Metal-Oxide Surge Arresters for AC Power Circuits (> 1 kV)
2019 Edition, October 23, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Metal-oxide surge arresters (MOSAs) designed to repeatedly limit the voltage surges on 48 Hz to 62 Hz power circuits (>1000 V) by passing surge discharge current and automatically limiting the flow of system power current are addressed in this standard. This standard...

IEC 60384-21:2019 RLV - Fixed capacitors for use in electronic equipment - Part 21: Sectional specification - Fixed surface mount multilayer capacitors of ceramic dielectric, Class 1
January 29, 2019 - IEC - International Electrotechnical Commission

IEC 60384-21:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version is not an official document, it is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and...

IEC 60384-22:2019 RLV - Fixed capacitors for use in electronic equipment - Part 22: Sectional specification - Fixed surface mount multilayer capacitors of ceramic dielectric, Class 2
January 29, 2019 - IEC - International Electrotechnical Commission

IEC 60384-22:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version is not an official document, it is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and...

IEC 60384-22:2019 - Fixed capacitors for use in electronic equipment - Part 22: Sectional specification - Fixed surface mount multilayer capacitors of ceramic dielectric, Class 2
January 29, 2019 - IEC - International Electrotechnical Commission

IEC 60384-22:2019 is available as IEC 60384-22:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60384-22:2019 is applicable to fixed unencapsulated surface mount multilayer...

IEC 60384-21:2019 - Fixed capacitors for use in electronic equipment - Part 21: Sectional specification - Fixed surface mount multilayer capacitors of ceramic dielectric, Class 1
January 29, 2019 - IEC - International Electrotechnical Commission

IEC 60384-21:2019 is available as IEC 60384-21:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60384-21:2019 is applicable to fixed unencapsulated surface mount multilayer...

ASTM C317/C317M-00(2019) - Standard Specification for Gypsum Concrete
October 1, 2019 - ASTM International

1.1 This specification covers mill-mixed gypsum concrete, consisting essentially of calcined gypsum and suitable aggregate, requiring the addition of water only at the job site. Gypsum concrete is intended for use in the construction of poured-in-place roof decks...

ASTM D8173-18 - Standard Guide for Site Preparation, Layout, Installation, and Hydration of Geosynthetic Cementitious Composite Mats
February 1, 2018 - ASTM International

1.1 This guide covers directions for the installation of a geosynthetic cementitious composite mat (GCCM) under field conditions typically present in erosion control, hydraulic structure armoring and protection, and protection applications. 1.2 The values in SI units are to be...

P1838_D2.0, Aug 2019 - IEEE Draft Standard for Test Access Architecture for Three-Dimensional Stacked Integrated Circuits
2019 Edition, September 9, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

IEEE Std 1838 is a die-centric standard; it applies to a die that is intended to be part of a multi-die stack. This standard defines die-level features that, when compliant dies are brought together in a stack, comprise a stack-level architecture that enables transportation of...

Triangulation and Light Barriers—The Basics
August 7, 2017 - IEEE GlobalSpec

Photoelectric sensors are used to detect objects by using light. Depending on the application, available space and specific requirements, a variety of sensors can be used. Detection is typically based on the light reflected off of the object. However, the source...

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