122 SBC329 3U VPX Single Board Computer
Publication No. SBC329-HRM/1
A.5 Environmental Specifications
For details of Abaco’s approach to full environmental compliance and a description
of the Build Levels referred to below, see the Rugged Systems section on the website.
LINK
https://www.abaco.com/rugged-systems
.
A.5.1 Convection-cooled Boards
Table A-15 Convection-cooled Environmental Specifications
Build Style
Temperature (°C)
Vibration
Shock
Humidity
Comments
Standard
(Level 1)
Operating:
0 to +55 with
airflow of 300 lfm
Storage:
-50 to +100
Random:
0.002g2/Hz from 10
to 2000 Hz
Sine:
2g from 5
to 500 Hz
20g peak
sawtooth,
11 ms duration
Up to 95% RH
Commercial grade, for use in benign
environments and software
development applications. Optional
conformal coating
Extended
Temperature
(Level 2)
Operating:
-20 to +65
with airflow of 300 lfm
Storage:
-50 to +100
Random:
0.002g2/Hz from 10
to 2000 Hz
Sine:
2g from 5
to 500 Hz
20g peak
sawtooth,
11 ms duration
Up to 95% RH
with varying
temperature.
10 cycles,
240 hours
Like standard, but conformally coated
for added protection and temperature
characterized
Rugged
Air-cooled
(Level 3)
Operating:
-40 to +75
with airflow of 600 lfm
Storage:
-50 to +100
Random:
0.04g
2
/Hz from 20
to 2000 Hz, with a
flat response to
1000 Hz. 6db/Octave
roll-off from 1000 to
2000 Hz.
20g peak
sawtooth,
11 ms duration
Up to 95% RH
with varying
temperature.
10 cycles,
240 hours
Wide temperature. Conformally-coated
for added protection. Optional
Environmental Stress Screening (ESS)
A.5.2 Conduction-cooled Boards
Table A-16 Conduction-cooled Environmental Specifications
Build Style
Temperature (°C)
Vibration
Shock
Humidity
Comments
Rugged
Conduction-
cooled
(Level 4)
Operating:
-40 to +75 at
the thermal interface
Storage:
-50 to +100
Random:
0.1g
2
/Hz from
15 to 2000 Hz per MIL-
STD-810E
Fig 514.4
–
8 for high
performance aircraft.
~12g RMS
40g peak
sawtooth, 11
ms duration
Up to 95% RH
with varying
temperature.
10 cycles,
240 hours
Designed for severe environment
applications with high levels of shock
and vibration, small space envelope
and restricted cooling. Conformally-
coated as standard. Optional ESS
Rugged
Conduction-
cooled
(Level 5)
Operating:
-40 to +85 at
the thermal interface
Storage:
-50 to +100
Random
:
0.1g
2
/Hz from
15 to 2000 Hz per MIL-
STD-810E
Fig 514.4
–
8 for high
performance aircraft.
~12g RMS
40g peak
sawtooth, 11
ms duration
Up to 95% RH
with varying
temperature.
10 cycles,
240 hours
Designed for severe environment
applications with high levels of shock
and vibration, small space envelope
and restricted cooling. Conformally-
coated as standard. Optional ESS
