Electrostatically Sensitive Assemblies (ESA)
© Siemens AG, 2004. All rights reserved
9-54 EMC Installation Guideline – Planning Guide (EMV) – 03.2004 Edition
· Discharge your body before working on the assembly. To do so, touch earthed
metallic objects.
· Protect assemblies before touching them with chargeable and highly insulating
materials such as plastic foils, insulating desk plates or clothing made from
synthetic fibres.
· Place only electrostatic endangered assemblies on conductive bases.
– Table with ESD support plate,
– Conductive ESD foam material or ESD packaging,
– A normal uncoated cardboard box should be used at least temporarily.
· Do not place electrostatically sensitive assemblies in the direct vicinity of
devices with large electromagnetic fields as data display units, monitors or
television sets (minimum distance to the screen 10 cm).
ESD protective measures
In the following picture, the ESD protective measures are again illustrated.
Fig. 9-1 ESD protective measures
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