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HKS48T30120 DC-DC Series Data Sheet
Half-Brick with 48VDC Input; 12VDC @ 32A Output
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
Input voltage
Conditions/Description
Continuous
Transient withstand
Min
Max
75
100
Units
VDC
VDC
Operating Temperature
Hot Spot Monitor Location
2
-40
124
° C
Storage Temperature
Ambient
-40
-55
85
125
° C
° C
ON/OFF Control Voltage
1
Output Power
Referenced to -Vin
-1
18
384
VDC
W
1
2
with appropriate power derating, see figure 17.
See temperature probe locations Figure 18, 19.
Environmental and Mechanical Specifications
Parameter
Operating Humidity
Storage Humidity
Conditions/Description
Relative Humidity, Non-cond.
Relative Humidity, Non-cond.
Min
Nom
Max
95
95
Units
%
%
Water Washing
Standard process
Yes
Shock
Sinusoidal Vibration
Weight
Halfsine wave, 3 axes
GR-63-CORE, Section 5.4.2
50
1
2.9 (82)
G
G
Oz(g)
(method 1, case 2, GB, 40 C)
Dimensions
MTBF (Calculated)
(Overall)
Per Telcordia SR-332 Issue 1,
O
2.28 (57.9) x 2.4 (61.0)
x 0.5 (12.7)
1.2
In.
(mm)
MHrs
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 Baseplate
Output to Baseplate
2121
N/A
N/A
VDC
Isolation Resistance
Capacitance
FEB 14, 2006 revised to MAY 17, 2006
Input to Output
Input to Output
Page 2 of 14
10
1,000
M ?
pF
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