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date
09/16/2021
page
1 of 6
SERIES: SDI12-UD │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
•
•
•
•
•
•
•
•
up to 12 W continuous power
DoE Level VI, CoC Tier 2 efficiency
no load power consumption < 0.075 W
compact size
universal input voltage range
over voltage, over current, and short circuit protections
UL/cUL, CE safety approvals
IEC 62368
MODEL
output
voltage
output
current
output
power
ripple
and noise1
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
5
2
10
100
VI
5.9
2
11.8
100
VI
9
1.33
12
100
VI
SDI12-5-UD
SDI12-5.9-UD
SDI12-9-UD
efficiency
level2
SDI12-12-UD
12
1
12
120
VI
SDI12-15-UD
15
0.8
12
150
VI
SDI12-18-UD
18
0.67
12
180
VI
SDI12-24-UD
24
0.5
12
240
VI
Notes:
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.
2. CoC Tier 2 compliant
PART NUMBER KEY
SDI12 - XX - UD X - XXX - CXX
Base Number
Output Voltage
AC Inlet Type:
IEC320/C8
Input Cable:
“Blank” = No Cable
C = North America 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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Reserved for Custom
Configurations
DC Plug Type:
XXX = See output plug options
on page 5 for more details
ST = Stripped and Tinned
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CUI Inc │ SERIES: SDI12-UD │ DESCRIPTION: AC-DC POWER SUPPLY
date 09/16/2021 │ page 2 of 6
INPUT
parameter
conditions/description
min
voltage
typ
90
frequency
47
current
at full load
inrush current
at 240 Vac, full load, 25°C, cold start
leakage current
no load power consumption
at 115/230 Vac
Level VI
CoC Tier 2
max
units
264
Vac
63
Hz
0.31
A
60
A
0.25
mA
0.1
0.075
W
W
max
units
OUTPUT
parameter
conditions/description
min
regulation
hold-up time
typ
±5
at full load
%
10
ms
PROTECTIONS
parameter
conditions/description
min
over voltage protection
output shut down
5 Vdc output model
5.9 Vdc output model
9 Vdc output model
12 Vdc output model
15 Vdc output model
18 Vdc output model
24 Vdc output model
over current protection
output shut down, auto recovery
5 Vdc output model
5.9 Vdc output model
9 Vdc output model
12 Vdc output model
15 Vdc output model
18 Vdc output model
24 Vdc output model
short circuit protection
output shut down, auto recovery
typ
max
units
9
10.6
16.2
21.6
27
32.4
45
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
5
5
3
2.5
2
2
1.5
A
A
A
A
A
A
A
max
units
SAFETY & COMPLIANCE
parameter
conditions/description
isolation voltage
input to output at 10 mA for 1 minute
min
isolation resistance
input to output at 500 Vdc
safety approvals
62368: UL/cUL, EN
LPS, UKCA
EMI/EMC
FCC Part 15B Class B, CE
MTBF
as per Telcordia SR-332, 25°C
RoHS
2011/65/EU
typ
3,000
Vac
10
MΩ
300,000
hours
ENVIRONMENTAL
parameter
conditions/description
min
operating temperature
storage temperature
typ
max
units
0
40
°C
-20
80
°C
operating humidity
non-condensing
20
80
%
storage humidity
non-condensing
10
90
%
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CUI Inc │ SERIES: SDI12-UD │ DESCRIPTION: AC-DC POWER SUPPLY
date 09/16/2021 │ page 3 of 6
MECHANICAL
parameter
conditions/description
dimensions
75 x 48 x 30
inlet plug
IEC320/C8
weight
without ac cord
min
max
units
mm
126
MECHANICAL DRAWING
units: mm
tolerance: ±0.5 mm
DC CORD
units: mm
typ
cord length
Table 1
MODEL NO.
CABLE
CORD LENGTH
SDI12-5-UD
UL2468, 20 AWG
1,500 mm ±30
SDI12-5.9-UD
UL2468, 20 AWG
1,500 mm ±30
SDI12-9-UD
UL2468, 20 AWG
1,500 mm ±30
SDI12-12-UD
UL2468, 22 AWG
1,500 mm ±30
SDI12-15-UD
UL2468, 22 AWG
1,500 mm ±30
SDI12-18-UD
UL2468, 22 AWG
1,500 mm ±30
SDI12-24-UD
UL2468, 22 AWG
1,500 mm ±30
cui.com
g
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CUI Inc │ SERIES: SDI12-UD │ DESCRIPTION: AC-DC POWER SUPPLY
date 09/16/2021 │ page 4 of 6
AC CORD
units: mm
cord length
NORTH AMERICA
EUROPE
UNITED KINGDOM
AUSTRALIA
CHINA
SOUTH KOREA
BRAZIL
SOUTH AFRICA
JAPAN
Table 2
AC INPUT
CORD LENGTH
North America
1,830 mm ±50
Europe
1,830 mm ±50
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 ±50
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CUI Inc │ SERIES: SDI12-UD │ DESCRIPTION: AC-DC POWER SUPPLY
date 09/16/2021 │ page 5 of 6
OUTPUT PLUG OPTIONS
Standard DC Plug
C
Straight Plug
Size
A
B
C
Unit
5
5.5
2.1
9.5
mm
6
5.5
2.5
9.5
mm
7
3.5
1.35
9.5
mm
8
3.8
1.35
9.5
mm
9
3.8
1.05
9.5
mm
B
A
B
A
C
Right Angle Plug
Locking DC Plug
A
B
C
Size
A
B
C
Unit
10
5.5
2.1
9.5
mm
11
5.5
2.5
9.5
mm
EIAJ DC Plug
Size
EIAJ
A
B
C
Unit
12
EIAJ-1
2.35
0.7
9.5
mm
13
EIAJ-2
4.0
1.7
9.5
mm
14
EIAJ-3
4.75
1.7
9.5
mm
B
A
B
A
C
C
Straight Plug
Right Angle Plug
Stripped and Tinned
25±5
5±5
10±2
DC Plug Type
XXX
Plug Polarity:
P = Center Positive
N = Center Negative
Plug Size:
X = See above plug options
*Contact CUI for additional plug options
cui.com
Plug Angle:
“blank” = Straight
R = Right Angle
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CUI Inc │ SERIES: SDI12-UD │ DESCRIPTION: AC-DC POWER SUPPLY
date 09/16/2021 │ page 6 of 6
REVISION HISTORY
rev.
description
date
1.0
initial release
08/21/2015
1.01
updated datasheet
05/18/2016
1.02
updated datasheet
09/15/2016
1.03
removed GS mark as of 5/31/2019
04/10/2019
1.04
company logo updated
06/24/2020
1.05
PSE removed, 62368 added to safety line
07/16/2021
1.06
UKCA added to specification
09/09/2021
plug polarity symbols updated
09/16/2021
1.07
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
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired operation.
CUI offers a one (1) 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.