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date
12/14/2020
page
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SERIES: SDI40-UD │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
•
•
•
•
•
•
•
•
•
up to 40 W continuous power
DoE Level VI, CoC Tier 2 efficiency
universal input voltage range
compact size
no load power consumption < 0.075 W
over voltage and short circuit protections
UL/cUL and PSE safety approvals
custom designs available
class II construction
MODEL
output
voltage
output
current
output
power
ripple
and noise1
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
SDI40-12-UD
12
3
36
200
VI
SDI40-15-UD
15
2.7
40.5
200
VI
SDI40-19-UD
19
2.1
40
300
VI
SDI40-24-UD
24
1.7
40.8
300
VI
Notes:
efficiency
level2
1. Measured at 100~240 Vac input, full load, 20 MHz bandwidth oscilloscope, output terminated with a 10 µF aluminum electrolytic and 0.1 µF ceramic capacitor.
2. CoC Tier 2 compliant
PART NUMBER KEY
SDI40 - XX - UD X - XXX - CXX
Base Number
AC Inlet Type:
IEC320/C8
Reserved for Custom
Configurations
Output Voltage
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
cui.com
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: SDI40-UD │ DESCRIPTION: AC-DC POWER SUPPLY
date 12/14/2020 │ page 2 of 6
INPUT
parameter
max
units
voltage
conditions/description
min
90
typ
264
Vac
frequency
47
63
Hz
1
A
current
leakage current
no load power consumption
0.25
mA
0.075
W
max
units
OUTPUT
parameter
conditions/description
min
load regulation
typ
±5
%
PROTECTIONS
parameter
conditions/description
min
over voltage protection
12
15
19
24
Vdc
Vdc
Vdc
Vdc
output
output
output
output
over current protection
12
15
19
24
Vdc
Vdc
Vdc
Vdc
output
output
output
output
short circuit protection
output shut down, auto recovery
typ
max
units
model
model
model
model
16
22
27
32
Vdc
Vdc
Vdc
Vdc
model
model
model
model
5
4.3
5
2.8
A
A
A
A
max
units
SAFETY & COMPLIANCE
parameter
conditions/description
min
isolation voltage
input to output at 10 mA for 1 minute
isolation resistance
input to output at 500 Vdc
safety approvals
60950: UL/cUL, PSE
EMI/EMC
FCC Part 15B Class B
RoHS
2011/65/EU
typ
3,000
4,242
Vac
Vdc
100
MΩ
ENVIRONMENTAL
parameter
conditions/description
min
operating temperature
storage temperature
max
units
0
typ
40
°C
-10
70
°C
operating humidity
non-condensing
20
80
%
storage humidity
non-condensing
10
90
%
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CUI Inc │ SERIES: SDI40-UD │ DESCRIPTION: AC-DC POWER SUPPLY
date 12/14/2020 │ page 3 of 6
MECHANICAL
parameter
conditions/description
dimensions
111 x 52 x 32.3
inlet plug
IEC320/C8
weight
without AC cord
with AC cord
min
typ
units
mm
241
319
MECHANICAL DRAWING
units: mm
LED
Note: 1. LED indicator is not present on 24 Vdc output model.
DC CORD
units: mm
max
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Table 1
MODEL NO.
CABLE
CORD LENGTH
SDI40-12-UD
UL2468, 16 AWG
1,530 mm ±100
SDI40-15-UD
UL2468, 16 AWG
1,530 mm ±100
SDI40-19-UD
UL2468, 18 AWG
1,530 mm ±100
SDI40-24-UD
UL2468, 18 AWG
1,530 mm ±100
cui.com
g
g
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CUI Inc │ SERIES: SDI40-UD │ DESCRIPTION: AC-DC POWER SUPPLY
date 12/14/2020 │ 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
cui.com
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CUI Inc │ SERIES: SDI40-UD │ DESCRIPTION: AC-DC POWER SUPPLY
date 12/14/2020 │ page 5 of 6
DC PLUG TYPE PART NUMBER KEY
XXX
Plug Polarity:
P = Center Positive
Plug Code:
X = Choose a code from the
options below
Plug Angle:
“blank” = Straight
R = Right Angle
N = Center Negative
Plug Polarity
Code
Dimensions (mm)
Center Neg.
Option
Type
A
B
C
Straight
Right
●
●
5
Standard
5.5
2.1
9.5
●
●
●
●
6
Standard
5.5
2.5
9.5
●
●
●
●
10
Locking
5.5
2.1
9.5
●
N/A
●
●
11
Locking
5.5
2.5
9.5
●
N/A
N/A
ST
N/A
N/A
N/A
Note:
Stripped & Tinned
1. Contact CUI for additional plug options
Locking
Standard
C
C
A
B
A
C
B
A
B
Plug Angle
Center Pos.
Straight
Right Angle (R)
cui.com
Stripped & Tinned
20±5
9±2
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CUI Inc │ SERIES: SDI40-UD │ DESCRIPTION: AC-DC POWER SUPPLY
date 12/14/2020 │ page 6 of 6
REVISION HISTORY
rev.
description
date
1.0
initial release
09/27/2016
1.01
updated datasheet
03/14/2018
1.02
updated datasheet
04/23/2018
1.03
company logo updated
09/30/2020
safeties updated
12/14/2020
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
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.
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