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date
09/26/2023
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SERIES: SDM300G-U │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
•
•
•
•
•
•
•
•
•
•
GaN technology
compact size
300 W power
universal input (85~264 Vac)
single regulated outputs
over voltage, over current, over temperature and short circuit protections
UL/cUL (60601), TUV
level VI efficiency
power factor correction
custom designs available
MODEL
output
voltage
output
current
output
power
ripple
and noise1
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
SDM300G-12-U
12
24.0
288
120
VI
SDM300G-15-U
15
20.0
300
150
VI
SDM300G-19-U
19
15.79
300
190
VI
SDM300G-24-U
24
12.5
300
240
VI
SDM300G-48-U
48
6.25
300
480
VI
Notes:
efficiency
level
1. At full load, nominal input, 20 MHz bandwidth oscilloscope, each output terminated with 0.1 μF multilayer ceramic and 47 μF low ESR electrolytic capacitors.
PART NUMBER KEY
SDM300G - XX - U X - P219- CXX
Base Number
Output Voltage
AC Inlet Type:
IEC320/C14
Reserved for Custom
Configurations
Input Cable:
“Blank” = No Cable
C = North America input cable
CM = North America medical input cable
2 = Europe input cable
3 = United Kingdom input cable
4 = Australia input cable
5 = China input cable
6 = South Korea input cable
7 = Brazil input cable
8 = South Africa input cable
9 = Japan input cable
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CUI Inc │ SERIES: SDM300G-U │ DESCRIPTION: AC-DC POWER SUPPLY
date 09/26/2023 │ page 2 of 6
INPUT
parameter
conditions/description
min
typ
max
units
85
100~240
264
Vac
frequency
47
50~60
63
Hz
current
1.5
3.5
A
voltage
inrush current
at 240 Vac, full load, 25°C, cold start
leakage current
no load power consumption
at 115 & 230 Vac
power factor
at 115 & 230 Vac, full load
0.9
conditions/description
min
150
A
0.1
mA
0.5
W
max
units
OUTPUT
parameter
regulation
typ
±5
%
PROTECTIONS
parameter
conditions/description
over voltage protection
over current protection
short circuit protection
auto recovery
over temperature protection
output shut down
min
typ
max
units
latch
150
%
auto recovery
180
%
max
units
SAFETY & COMPLIANCE
parameter
conditions/description
isolation voltage
input to output at 10 mA for 1 minute
input to ground at 10 mA for 1 minute
min
isolation resistance
input to output at 500 Vdc
input to ground at 500 Vdc
safety approvals
UL/cUL 60601, TUV, UKCA, PSE
EMI/EMC
CE, FCC
MTBF
as per Telcordia SR-332, 25°C
RoHS
yes
typ
4,000
1,770
Vac
Vac
10
10
MΩ
MΩ
300,000
hours
ENVIRONMENTAL
parameter
conditions/description
min
max
units
operating temperature
60°C max at 50% load, see derating curve
-20
40
°C
storage temperature
typ
-20
80
°C
operating humidity
non-condensing
20
80
%
storage humidity
non-condensing
10
90
%
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CUI Inc │ SERIES: SDM300G-U │ DESCRIPTION: AC-DC POWER SUPPLY
date 09/26/2023 │ page 3 of 6
DERATING CURVES
MECHANICAL
parameter
conditions/description
dimensions
183.0 (L) x 85.0 (W) x 35.0 (H)
min
dc output plug
6 pin housing
weight
12, 15, 19 Vdc output models
24, 48 Vdc output models
typ
units: mm
tolerance: ±1.0 mm
Top-View
Side-View
Front-View
cui.com
units
mm
1100
1000
MECHANICAL DRAWING
max
g
g
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CUI Inc │ SERIES: SDM300G-U │ DESCRIPTION: AC-DC POWER SUPPLY
date 09/26/2023 │ page 4 of 6
DC CORD
units: mm
Table 1
CABLE
CORD LENGTH
SDM300G-12-U
MODEL NO.
Black, UL2464, 16 AWG
1,000 mm ±50
SDM300G-15-U
Black, UL2464, 16 AWG
1,000 mm ±50
SDM300G-19-U
Black, UL2464, 16 AWG
1,000 mm ±50
SDM300G-24-U
Black, UL2464, 16 AWG
1,200 mm ±50
SDM300G-48-U
Black, UL2464, 18 AWG
1,200 mm ±50
Output cable plug pin assignment
Table 2
PIN ASSIGNMENT
PIN
cui.com
OUTPUT VOLTAGE
12V/15V/19V
24V/48V
P1
+Vout
+Vout
P2
+Vout
NC
P3
+Vout
+Vout
P4
-Vout
-Vout
P5
-Vout
NC
P6
-Vout
-Vout
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CUI Inc │ SERIES: SDM300G-U │ DESCRIPTION: AC-DC POWER SUPPLY
date 09/26/2023 │ page 5 of 6
AC CORD
cord length
units: mm
NORTH AMERICA
NORTH AMERICA (medical)
EUROPE
UNITED KINGDOM
AUSTRALIA
CHINA
SOUTH KOREA
BRAZIL
SOUTH AFRICA
JAPAN
Table 2
AC Input
Cord Length
North America
1,830 mm ±30
North America (medical)
1,830 mm ±50
Europe
1,830 mm ±30
United Kingdom
1,830 mm ±30
Australia
1,830 mm ±30
China
1,830 mm ±30
South Korea
1,830 mm ±50
Brazil
1,830 mm ±30
South Africa
1,830 mm ±50
Japan
1,830 mm ±30
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CUI Inc │ SERIES: SDM300G-U │ DESCRIPTION: AC-DC POWER SUPPLY
date 09/26/2023 │ page 6 of 6
REVISION HISTORY
rev.
description
date
1.0
initial release
06/27/2022
1.01
NA medical input cable added
08/18/2022
1.02
input voltage and frequency updated
02/02/2023
1.03
medical icon added
05/17/2023
safeties updated
09/26/2023
1.04
The revision history provided is for informational purposes only and is believed to be accurate.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a
life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.