MTBF Specifications for the SSII

SuperStar II 3.3V 

The following analysis is based on an industrial operating profile with an 80% operational duty cycle. The MTBF hours are calendar hours. 

External Ambient Temperature: +25ºC 
Operating Environment : GF 
MTBF (Calculated): 207,174 Hours 

External Ambient Temperature: +75ºC 
Operating Environment : GM 
MTBF (Calculated): 88,057 Hours 

SuperStar II 5.0V 

The following analysis is based on an industrial operating profile with an 80% operational duty cycle. The MTBF hours are calendar hours. 

External Ambient Temperature: +25ºC 
Operating Environment : GF 
MTBF (Calculated): 200,280 Hours 

External Ambient Temperature: +75ºC 
Operating Environment : GM 
MTBF (Calculated): 82,978 Hours 

ASSUMPTIONS 

1. Part stress levels were based on calculated / estimated values. 
2. The component failure models of PRISM, MIL-HDBK-217F and manufacturer reliability data were used. 
3. All parts are industrial / commercial grade.