What is BS EN 62333-1 - Noise suppression sheet for digital devices and equipment about?   
BS EN 62333 discusses noise suppression sheets for digital devices and equipment.
BS EN 62333-1 is the first part of the BS EN 62333 multi-series and discusses definitions and general properties. 
BS EN 62333-1 is limited to establishing terms and definitions. BS EN 62333-1 constitutes a concise reference for Part 2 of the standard. Part 2 specifies in detail the measurement of parameters defined in Part 1. The two parts of IEC 62333 are therefore closely related and are intended to be used together.
Note: BS EN 62333-1 also specifies the influences on signal lines by using these sheets.
Who is BS EN 62333-1 - Noise suppression sheet for digital devices and equipment for?  
BS EN 62333-1 on noise suppression sheet for digital devices and equipment is useful for:  
- Digital device manufacturers
- HVAC manufacturers 
- Microphone manufacturers 
Why should you use BS EN 62333-1 - Noise suppression sheet for digital devices and equipment?   
Noise suppression is generally classified into signal decoupling, radiation suppression and attenuation of transmission power by its means. Noise suppression sheet NSS sheet enables noise suppression and is composed of magnetic or dielectric or conductive material with electromagnetic losses.  
BS EN 62333-1 provides terms and definitions for an electromagnetic noise suppression sheet for digital devices and equipment used in a frequency range of between 30 MHz to 30 GHz and refers to the influence on the signal by the usage of a noise suppression sheet.
BS EN 62333-1 guidance is also given for the uniform presentation of the properties of a noise suppression sheet, intended for use in manufacturers’ technical data. A noise suppression sheet is distinguished from RF wave absorbers used in free space.  
