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VMS-20-3.3 Datasheet, PDF (2/4 Pages) CUI INC – AC-DC POWER SUPPLY
CUI Inc │ SERIES: VMS-20 │ DESCRIPTION: AC-DC POWER SUPPLY
date 10/26/2011 page 2 of 4
INPUT
parameter
voltage
frequency
input current
inrush current
conditions/description
at 230 Vac, cold start at 25 °C
min
typ
90
47
OUTPUT
parameter
line regulation
load regulation
hold-up time
switching frequency
conditions/description
low line to high line, full load
10% to 100% full load
115 Vac
min
typ
10
100
PROTECTIONS
parameter
over voltage protection
short circuit protection
conditions/description
continuous
min
typ
115
SAFETY & COMPLIANCE
parameter
conditions/description
min
typ
isolation voltage
input to output
5,656
safety approvals
UL60601-1, IEC60601-1, EN60601-1
EMI/EMC
EN60601-1/EN61204-3/EN55022/CISPR Class B, EN55024
leakage current
RoHS compliant
yes
MTBF
MIL-HDBK-217F, GB
400,000
ENVIRONMENTAL
parameter
operating temperature
storage temperature
operating humidity
conditions/description
see derating curve
non-condensing
min
typ
-25
-40
MECHANICAL
parameter
dimensions
weight
cooling method
conditions/description
2.38 x 1.60 x 0.80 (60.5 x 40.6 x 20.4 mm)
free air convection
(see derating curves below)
min
typ
max
264
63
0.5
40
units
Vac
Hz
A
A
max
±0.5
±1
units
%
%
ms
KHz
max
140
units
%
max
units
Vdc
0.1
mA
hrs
max
70
85
93
units
°C
°C
%
max
50
units
inch
g
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