Intel DH55TC DH55TC Technical Product Specification - Page 57
Reliability, Environmental
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Technical Reference 2.7 Reliability The Mean Time Between Failures (MTBF) prediction is calculated using component and subassembly random failure rates. The calculation is based on the Bellcore Reliability Prediction Procedure, TR-NWT-000332, Issue 4, September 1991. The MTBF prediction is used to estimate repair rates and spare parts requirements. The MTBF data is calculated from predicted data at 50 ºC. The MTBF for the board is 146,986 hours. 2.8 Environmental Table 31 lists the environmental specifications for the board. Table 31. Environmental Specifications Parameter Temperature Non-Operating Operating Shock Unpackaged Packaged Vibration Unpackaged Packaged Specification -40 °C to +60 °C 0 °C to +40 °C 50 g trapezoidal waveform Velocity change of 170 inches/second² Half sine 2 millisecond Product Weight (pounds) Free Fall (inches)