User guide

WA_DEV_FEX20_UGD_002 Rev 004 March 08, 2011 115
Fastrack Xtend User Guide
Reliability Compliance and
Recommended Standards
16.3.2.2. Environmental Resistance Stress Test
The following tests the Fastrack Xtends resistance to extreme temperature.
Table 94. Environmental Resistance Stress Test
Designation
Condition
Cold Test
COT
Standard: IEC 680068-2-1, Test Ab
Special conditions:
Temperature: -40°C
Rate of temperature change: dT/dt >= ± 3°C/min
Recovery time: 3 hours
Operating conditions: Un-powered
Duration: 72 hours
16.3.2.3. Corrosive Resistance Stress Test
The following tests the Fastrack Xtends resistance to corrosive atmosphere.
Table 95. Corrosive Resistance Stress Test
Designation
Condition
Moist Heat Cyclic Test
MHCT
Standard: IEC 60068-2-30, Test Db
Special conditions:
Upper temperature: +55 ± 2°C
Lower temperature: +25 ± 2°C
RH:
Upper temperature: 93%
Lower temperature: 95%
Number of cycles: 21 (1 cycle/24 hours)
Rate of temperature change: dT/dt >= ± 3°C/min
Recovery time: 3 hours
Operating conditions: Un-powered
Duration: 21 days