Technical Product Specification
Intel® Server Chassis SC5650 TPS Power Sub-system
Revision 1.2
Intel order number E39531-004
69
The power supply meets requirements under the following AC line sag and surge conditions.
Table 71. AC Line Sag Transient Performance
Duration Sag Operating AC Voltage Line Frequency Loading Performance Criteria
Continuous 10% Nominal AC Voltage
ranges
50/60Hz 100% No loss of function or
performance
0 to 1 AC
cycle
100% Nominal AC Voltage
ranges
50/60Hz 60% No loss of function or
performance
> 1 AC cycle > 10% Nominal AC Voltage
ranges
50/60Hz 100% Loss of function
acceptable, self
recoverable
Table 72. AC Line Surge Transient Performance
Duration Surge Operating AC Voltage Line Frequency Performance Criteria
Continuous 10% Nominal AC Voltages 50/60Hz No loss of function or performance
0 to ½ AC
cycle
30% Mid-point of nominal AC
Voltages
50/60Hz No loss of function or performance
2.4.5.3 Susceptibility Requirements
The power supply meets the following electrical immunity requirements when connected to a
cage with an external EMI filter that meets the criteria defined in the SSI document EPS Power
Supply Specification.
Table 73. Performance Criteria
Level
Description
A
The apparatus shall continue to operate as intended. No degradation of
performance.
B
The apparatus shall continue to operate as intended. No degradation of
performance beyond spec limits.
C
Temporary loss of function is allowed provided the function is self-recoverable or
can be restored by the operation of the controls.
2.4.5.3.1 Electrostatic Discharge Susceptibility
The power supply complies with the limits defined in EN 55024: 1998 using the IEC 61000-4-
2:1995 test standard and performance criteria B defined in Annex B of CISPR 24.
2.4.5.3.2 Fast Transient/Burst
The power supply complies with the limits defined in EN55024: 1998 using the IEC 61000-4-
4:1995 test standard and performance criteria B defined in Annex B of CISPR 24.