Victor, 



The IPC Test Method 2.6.3e for Moisture and Insulation Resistance is also known as a THB test (temperature/humidity/bias). It has three conditions to which the sample can be exposed. (1) 35C/85%RH static for 4 days (2)  50C/85%RH static for 4 days (3) 20 cycles of 25C to 65C/85% RH for 160 hrs., all with 100VDC bias.



An 85C/85%RH test would just be a (more severe) variation of this test.



It is available for FREE download at http://www.ipc.org/html/tm2.6.htm.



Tim Reeves



 



Fellow TechNetters,



   What IPC document covers Reliability Testing such as 85/85.   What is

accomplish by this test.

   What IPC document covers Reliability Testing such as 85/85 with BIAS.

What is accomplish by this test.



Victor G. Hernandez



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