Industrial Environment
DC/DC Converters < 40W
IMS6 Series
Immunity to Environmental Conditions
Table 8: Mechanical stress
Test Method
Standard
Test Conditions
Status
2
Ca
Ea
Eb
Fc
Damp heat
steady state
IEC/DIN IEC 60068-2-3
MIL-STD-810D section 507.2 Relative humidity:
Duration:
Temperature:
40
C
%
Unit not
operating
93 +2/-3
56 days
Shock
(half-sinusoidal)
IEC/EN/DIN EN 60068-2-27
MIL-STD-810D section 516.3 Bump duration:
Number of bumps:
Acceleration amplitude:
100 gn = 981 m/s2
6 ms
18 (3 each direction)
Unit
operating
Bump
(half-sinusoidal)
IEC/EN/DIN EN 60068-2-29
MIL-STD-810D section 516.3 Bump duration:
Number of bumps:
Acceleration amplitude:
40 gn = 392 m/s2
6 ms
6000 (1000 each direction)
Unit
operating
Vibration
(sinusoidal)
IEC/EN/DIN EN 60068-2-6
MIL-STD-810D section 514.3
Acceleration amplitude:
0.35 mm (10...60 Hz)
5 gn = 49 m/s2 (60...2000 Hz) operating
10...2000 Hz
Unit
Frequency (1 Oct/min):
Test duration:
7.5 h (2.5 h each axis)
Fda Random vibration IEC 60068-2-35
Acceleration spectral density: 0.05 gn2/Hz
Unit
wide band
reproducibility
high
Frequency band:
Acceleration magnitude:
Test duration:
10...500 Hz
4.9 gn rms
3 h (1 h each axis)
operating
Kb
Salt mist, cyclic
(sodium chloride
NaCl solution)
IEC/EN/DIN IEC 60068-2-52
Concentration:
Duration:
Storage:
Storage duration:
Number of cycles:
5% (30 C)
Unit not
operating
2 h per cycle
40 C, 93% rel. humidity
22 h per cycle
3
Table 9: Temperature specifications, valid for air pressure of 800...1200 hPa (800...1200 mbar)
Temperature
Standard -9
max
Characteristics
Conditions
Operational 2
min
–40
–40
–40
Unit
C
TA
TC
TS
Ambient temperature 1
71
Case temperature
Storage temperature 1
100
100
Non operational
1 MIL-STD-810D section 501.2 and 502.2
2 See Thermal Considerations
Table 10: MTBF and device hours
MTBF
Ground Benign
Ground Fixed
Ground Mobile
TC = 50 C
Device Hours 1
MTBF acc. to MIL-HDBK-217F
48IMS6-05-9
TC = 40 C
TC = 40 C
349'000 h
TC = 70 C
124'000 h
2'651'000 h
119'000 h
1 Statistical values, based on an average of 4300 working hours per year and in general field use
Edition 1 06.00
POWER-ONE [ POWER-ONE ]
