LOS, LOR, LOK4000 Series Data Sheet
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Immunity to Environmental Conditions
Table 6: Mechanical stress
DIN-Rail Mountable AC-DC (DC-DC) Converters
Test Method
Standard
Test Conditions
Status
Cab
Damp heat
steady state
IEC/EN 60068-2-78
MIL-STD-810D section 507.2
Temperature:
Relative humidity:
40 ±2 °C
93 +2/-3 %
Converter
not
Duration:
21 days
operating
Ea
Shock
(half-sinusoidal)
IEC/EN 60068-2-27
MIL-STD-810D section 516.3
Acceleration amplitude:
Bump duration:
15 g n = 147 m/s 2
11 ms
Converter
operating
Number of bumps:
18 (3 each direction)
Eb
Bump
(half-sinusoidal)
IEC/EN 60068-2-29
MIL-STD-810D section 516.3
Acceleration amplitude:
Bump duration:
10 g n = 98 m/s 2
11 ms
Converter
operating
Number of bumps:
6000 (1000 each direction)
Fc
Vibration
(sinusoidal)
IEC/EN 60068-2-6
MIL-STD-810D section 514.3
Acceleration amplitude:
0.15 mm (10 - 60 Hz)
2 g n = 20 m/s 2 (60 - 150 Hz)
Converter
operating
Table 7: Temperature specifications
Frequency (1 Oct/min):
Test duration:
10 - 150 Hz
3.75 h (1.25 h each axis)
Characterisitcs
Conditions
min
max
Unit
T A
T C
T S
Ambient temperature
Case temperature
Storage temperature
Operational 1
Non operational
–10
–10
–40
50
80
85
°C
1
See: Thermal Consideration .
Table 8: MTBF Values
MTBF
Type
Ground benign
T C = 40 °C
Ground fixed
T C = 40 °C
T C = 70 °C
Ground mobile
T C = 50 °C
Unit
According to MIL-HDBK-217F, Notice 2
LOK
1 600 000
400 000
200 000
120 000
h
Mechanical Data
Dimensions in mm.
Weight:
LOS/LOR: approx. 0.25 kg
LOK: approx. 0.35 kg
European
Projection
S90042b
1
2
3
T c
T c
LED
Fig. 10
Case
4
5 6
7 8
108 (4.25")
113.6 (4.47")
BCD20035-G Rev AB, 23-Jun-2011
Page 8 of 10
www.power-one.com
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