Semiconductor devices - Discrete devices - Part 4: Microwave diodes and transistors
IEC 60747-4:2007+A1:2017 Provides requirements for the following categories of discrete devices: variable capacitance diodes and snap-off diodes, mixer diodes and detector diodes, avalanche diodes, gunn diodes,bipolar transistors and field-effect transistors. This second edition cancels and replaces the first edition, published in 1991, its amendments 1, 2 and 3 (1993, 1999 and 2001, respectively…
Electricity metering (AC) - Tariff and load control - Part 21: Particular requirements for time swit...
IEC 62054-21:2004+A1:2017 specifies particular requirements for the type test of newly manufactured indoor time switches with operation reserve that are used to control electrical loads, multi-tariff registers and maximum demand devices of electricity metering equipment. This publication is of high relevance for Smart Grid. This consolidated version consists of the first edition (2004) and its…
Household and similar electrical appliances - Safety - Part 2-53: Particular requirements for sauna ...
IEC 60335-2-53:2011+A1:2017 deals with the safety of electric sauna heating appliances and infrared emitting units having a rated power input not exceeding 20 kW, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances. The appliances covered by this standard are intended for use in the home and in public saunas located in blocks of flats, hotels…
Specific absorption rate (SAR) measurement procedure for long term evolution (LTE) devices
IEC PAS 63083:2017(E) applies to measurement procedures of Specific Absorption Rate (SAR) generated by devices with LTE (Long Term Evolution) technology specified by 3rd Generation Partnership Project (3GPP), Rel. 8 and 9 [1] where the devices are intended to be used with the radiating part in close proximity to the human head and body. This document supports both FDD and TDD modes. The objective…
Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Par...
IEC 63044-5-3:2017 is a product family standard that sets the minimum level of EMC performance for the HBES/BACS network in addition to the product EMC standards for HBES/BACS devices. It also applies to devices used within an HBES/BACS network for which no specific HBES/BACS product EMC standard exists. In addition, it defines EMC requirements for the interface of equipment intended to be…