H Series Data Sheet
70 Watt AC-DC Converters
BCD20019 Rev AA
Page 12 of 21
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Electromagnetic Emissions
Table 8: Emissions at Vi nom and Io nom
Series
IEC/EN 55022
≤ 30 MHz
≥30 MHz
LH
<A
<B
Table 10: Temperature specifications, values given are for an air pressure of 800 – 1200 hPa (800 – 1200 mbar)
Temperature
Standard -2
Characteristics
Conditions
min
max
Unit
TA
Ambient temperature
Operational
–10
50 1
°C
TC
Case temperature
–10
80
TS
Storage temperature
Not operational
–25
100
1 Single output models up to 71 °C with derating.
Immunity to Environmental Conditions
Table 9: Mechanical and climatic stress
Test method
Standard
Test conditions
Status
Cab
Damp heat
IEC/EN 60068-2-78
Temperature:
40 ±2 °C
Converter
steady state
MIL-STD-810D section 507.2 Relative humidity:
93 +2/-3 %
not
Duration:
21 days
operating
Ea
Shock
IEC/EN 60068-2-27
Acceleration amplitude:
15 gn = 147 m/s2
Converter
(half-sinusoidal)
MIL-STD-810D section 516.3 Bump duration:
6 ms
operating
Number of bumps:
18 (3 each direction)
Eb
Bump
IEC/EN 60068-2-29
Acceleration amplitude:
10 gn = 98 m/s2
Converter
(half-sinusoidal)
MIL-STD-810D section 516.3 Bump duration:
16 ms
operating
Number of bumps:
6000 (1000 each direction)
Fc
Vibration
IEC/EN/DIN EN 60068-2-6
Acceleration amplitude:
0.15 mm (10 – 60 Hz)
Converter
(sinusoidal)
MIL-STD-810D section 514.3
2 gn = 20 m/s2 (60 – 150 Hz) operating
Frequency (1 Oct/min):
10 – 150 Hz
Test duration:
3.75 h (1.25 h each axis)
Table 11: MTBF
Values at specified
Model
Ground benign
Unit
Case Temperature
40 °C
MTBF 1
LH1000
384 000
h
LH2000
306 000
LH3000
270 000
1 Calculated in accordance with MIL-HDBK-217E
Temperatures
Reliability