Design engineers should consider four main types of resistance when working on interconnect solutions for extreme operating conditions: 1) vibration and shock, 2) extreme temperatures, 3) corrosion and chemicals, and 4) radiation.
VIBRATION AND SHOCK RESISTANCE
The ability to withstand dynamic stress exerted by vibration, drop, and impact is a key requirement for rugged interconnect solutions. These components must be able to perform, despite rough handling, transportation, and fluctuating conditions in the field. Extremely rugged connectivity solutions are tested in compliance with the MIL-STD-202-214 Random Vibration testing standard (Military Standard 202, Method 214 and Condition I), which determines the ability of component parts to withstand the dynamic stress exerted by random vibration applied between upper and lower frequency limits to simulate the vibration experienced in various service field environments. Mounted onto vibration testing equipment, the locking and contacts specifications (or functionalities) of a connector pair is thoroughly verified. Electrical signals are monitored to ensure that no micro-cuts smaller than one micro-second occur.
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