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Resolution on Adjustment of Electromagnetic Compatibility Key Components for Compulsory Product Certification of Some Electronic Products and Safety Accessories
Date：2022/6/28 Clicks：1139
Resolution on Adjustment of Electromagnetic Compatibility Key Components for Compulsory Product Certification of Some Electronic Products and Safety Accessories
GB/T 9254.1-2021 "Information Technology Equipment, Multimedia Equipment and Receivers Electromagnetic Compatibility Part 1: Emission Requirements", which is based on compulsory product certification (CCC certification), has been released on December 31, 2021 and will be released in 2022 Implemented from July 1, replacing GB/T 9254-2008 and GB/T 13837-2012.
In order to meet the requirements of standard changes, the list of electromagnetic compatibility key parts of some electronic products and safety accessories (excluding cordless telephone terminals and mobile user terminals) in the CCC certification catalogue is updated and released (see the annex for details).
CNCA TC10 Technical Expert Group
(Seal of Shanghai Electric Apparatus Research Institute)
June 17, 2022
appendix
List of Electromagnetic Compatibility Key Components for Electronic Products and Safety Accessories (excluding Cordless Telephone Terminals and Mobile User Terminals)
one
serial number
main parts
control parameter
Test items
1
Power supply unit (without CCC certification)
Model and Specification
AC Power Port Conducted Emissions, Harmonic Currents
2
motherboard
Model/Unique Identification, Circuit Wiring (Photo), Manufacturer
Radiated Emission
3
central processing unit
Number of cores, frequency, manufacturer
Radiated Emission
4
Display unit (including control circuit)
Model/Unique ID, Screen Size
Radiated Emission
Independent control circuit for display unit
Model/Unique ID
Radiated Emission
5
Telecom interface circuit
Interface type, transmission rate
Asymmetric Mode Conducted Emissions
6
print unit
Model and Specification
Radiated Emission
7
Tuning unit
Model, system (analog/digital/DVBC)
Radiated Emissions, Conducted Differential Mode Voltage Emissions, Asymmetric Mode Conducted Emissions
8
turning tube*
Specification
AC Power Port Conducted Emissions
9
RFI Suppression Fixed Inductors*
Specification
AC Power Port Conducted Emissions, Harmonic Currents
10
EMI Suppression Fixed Capacitors*
Specification
AC Power Port Conducted Emissions, Harmonic Currents
11
Whole filter
Model, Specification, Manufacturer
AC Power Port Conducted Emissions, Radiated Emissions, Harmonic Currents
12
Network card (standalone)
Model/Unique Identification, Circuit Wiring (Photo), Manufacturer
Asymmetric Mode Conducted Emissions
13
Metal or EMI painted enclosures
Dimensions, model/unique identifier, material, manufacturer
Radiated Emission
14
Motor**
Model, Specification, Manufacturer
Radiated Emission
15
HDMI cable
model, manufacturer
Radiated Emission
16
RF components (power amplifier, transceiver chip)***
model, manufacturer
Asymmetric Mode Conducted Emissions
Note: The magnetic ring on the power cable and signal cable in the product, please add photos and related information in the report.
*Only applicable to computer/server built-in power supply and power adapter products **Only applicable to products with fax function or data terminal products
***Only applicable to products whose antenna port pre-connected cable length is greater than 3m
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