
REV. JUN 09, 2004
Page 2 of 11
FHS DC-DC Series Data Sheet
500-Watt, Full-Brick Converter
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings may cause performance degradation, adversely effect long-
term reliability and cause permanent damage to the converter.
Parameter
Conditions/Description
Min
Max
Units
Input voltage
Continuous
Transient, 100ms
75
100
VDC
Operating Temperature
Baseplate Temperature
-40
110
°C
Storage Temperature
-55
125
°C
ON/OFF Control Voltage
Referenced to -Vin
7
VDC
Output Power
504
W
Environmental and Mechanical Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Shock
Halfsine wave, 3 axes
50
g
Sinusoidal Vibration
GR-63-CORE, Section 5.4.2
1
g
Weight
5.4/152
Oz/g
Water Washing
Standard process
Yes
MTBF
Per Bellcore TR-NWT-000332
1,000
kHrs
Isolation Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Insulation Safety Rating
Basic
Isolation Voltage
Input to output, input to base plate
1500
VDC
Isolation Voltage
Output to base plate
1500
VDC
Isolation Resistance
10
MOhm
Isolation Capacitance
1000
pF
Safety Regulatory Compliance
Safety Agency
Standard Approved To:
Marking
Underwriters Laboratories
UL60950/CSA60950-00
cULus
TUV product Service
TUV EN60950:2000
TUV PS Baurt mark
CB report
IEC60950:1999
N/A.