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Six Factors to Consider Prior to Choosing an Electronic Enclosure Pt. 1 of 6


Choosing the right enclosure maybe as important as selecting the right product. An electronic enclosure, also known as housing, helps protect the circuit board allowing it to function properly. Elements (e.g. water, wind, dust, dirt, heat, cold, humidity, and chemicals) in the surrounding environment could damage or deteriorate the product (see Figure 1).

For example, large temperature variations between the inside and outside of the enclosure can result in pressure differences that may create a vacuum and draw water through the fittings or component and gasket seals. Or when moist air reaches its dew point, it can no longer hold its form and forms moisture droplets being formed on any available surfaces. This is called condensation. When temperatures are below freezing, it will condense into frost. After time, corrosion occurs and causes electrical resistance, which in turn generates additional heat, product performance problems, rusting, increasing risk of circuit shorting out, and arcing and sparking incidences.

Here are six factors to think about before choosing an enclosure:

  • Environment
  • Application
  • Thermal management requirements
  • Enclosure performance standards
  • Material
  • Size

ENVIRONMENT
To determine which enclosure offers the best protection, think of the most important, potential environmental threat. Some questions to think about are:

What are the environmental conditions?
What is the primary environmental concern?
What are the temperature and humidity extremes?

Written by: Teresa Kouch, Marketing

Continue to pt. 2 of 6 >>>

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