a division of CUI INC
date
09/2010
page
1 of 5
SERIES:
EMSA 30W
DESCRIPTION:
SWITCHING POWER SUPPLY
FEATURES
•universal AC input
•regulated output voltage
•short circuit protection
•meets EISA / efficiency level V regulations
•custom designs available
RoHS
MODEL
EMSA120250
EMSA200150
EMSA240125
output voltage
nominal
(V dc)
output current
min
(A)
max
(A)
output wattage
max
(W)
ripple*
max.
(mVp-p)
efficiency level
cord length
(mm)
12
20
24
0
0
0
2.5
1.5
1.25
30
30
30
300
300
300
V
V
V
1530 ±100
1530 ±100
1530 ±100
*at full load, 100 ~ 240 V ac input, measured at 20MHz bandwidth with a 10 uF electrolytic cap and a 0.1 uF ceramic cap on the output
PART NUMBER KEY
EMSA120250 X - XX - SZ - CXX
example of 12 V dc, 2.5 A
Base Number
DC Plug type:
see output plug options
on page 4
Factory
Designation
Reserved for custom
configurations
Blades:
“blank” = North American, European, United Kingdom,
Australian, and China blades included
N = North American blade included
E = European blade included
B = United Kingdom blade included
A = Australian blade included
C = China blade included
20050
SW
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2382
www.v-infinity.com
a division of CUI INC
date
09/2010
page
2 of 5
SERIES:
EMSA 30W
DESCRIPTION:
SWITCHING POWER SUPPLY
INPUT
parameter
rated input voltage
input voltage range
rated frequency
frequency range
rated input current
no load power consumption
conditions/description
min
100
90
50
47
nom
max
240
264
60
63
1.0
0.3
units
V ac
V ac
Hz
Hz
A
W
OUTPUT
parameter
line regulation
load regulation
over voltage protection
short circuit protection
output voltage clamped by internal protection zener
output shut down and auto-restart
conditions/description
min
nom
±1
±5
max
units
%
%
SAFETY & EMI
parameter
HI-POT
insulation resistance
safety approvals
EMI standard
leakage current
RoHS compliant
yes
conditions/description
input to output at 10 mA for 1 minute
input to output at 500 V dc
UL/cUL, GS, BSMI, RCM, CCC
FCC class B, CE, VCCI-II
0.25
mA
100
min
nom
max
3,000
4,242
units
V ac
V dc
M
ENVIRONMENTAL
parameter
operating temperature
operating humidity
storage temperature
storage humidity
conditions/description
min
0
20
-10
10
nom
max
40
80
70
90
units
°C
%
°C
%
20050
SW
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2382
www.v-infinity.com
a division of CUI INC
date
09/2010
page
3 of 5
SERIES:
EMSA 30W
DESCRIPTION:
SWITCHING POWER SUPPLY
MECHANICAL DRAWING
input plug
weight
case size
multi-blade
(UL, UK, VDE, SAA, CCC)
230 g (12 V), 220 g (20/24 V)
74 L x 43.5 W x 35.3 H mm
tolerance: ±1 mm
EMS-US
EMS-AU
EMS-UK
EMS-EU
EMS-CC
DC CORD
48B
Cable Gauge
EMSA120250
EMSA200150
EMSA240125
18 AWG
20 AWG
20 AWG
Black wire, white stripe: Positive
20050
SW
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2382
www.v-infinity.com
a division of CUI INC
date
09/2010
page
4 of 5
SERIES:
EMSA 30W
DESCRIPTION:
SWITCHING POWER SUPPLY
OUTPUT PLUG OPTIONS
3.5 mm Phono Plug
*Tip positive
P1
P1R
Standard DC Plug
P5/P5R
P6/P6R
P7/P7R
P8/P8R
P9/P9R
A
5.5
5.5
3.5
3.8
3.8
B
2.1
2.5
1.3
1.35
1.05
C
9.5
9.5
9.5
9.5
9.5
Unit
mm
mm
mm
mm
mm
Standard PX
Right Angle PXR
Locking DC Plug
A
5.5
5.5
B
2.1
2.5
C
9.5
9.5
Unit
mm
mm
P10
P11
EIAJ Plugs
EIAJ
A
B C
P12/P12R EIAJ-1 2.35 0.7 9.5
P13/P13R EIAJ-2 4.0 1.7 9.5
P14/P14R EIAJ-3 4.75 1.7 9.5
D
NA
5.0
5.0
Unit
mm
mm
mm
Standard PXX
Right Angle PXXR
Stripped and Tinned
DC PLUG TYPE
ST
stripped and tinned
Plug type
PXX X X
Plug angle:
“blank” = standard
R = right angle
Plug polarity:
“blank” = N/A
P = center positive
N = center negative
*Contact CUI for additional output plug options.
20050
SW
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2382
www.v-infinity.com
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