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date
04/27/2022
page
1 of 5
SERIES: SWI18-N │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
•
•
•
•
•
•
•
•
up to 18 W continuous power
DOE Level VI, CEC, ErP Stage 2
no load power consumption < 0.1 W
compact size
universal input voltage range
over voltage, over current, and short circuit protections
UL/cUL, PSE safety approvals
certified to 60950-1 and 62368-1 standards
MODEL
SWI18-5-N
SWI18-9-N
output
voltage
output
current
output
power
ripple
and noise1
efficiency
level
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
5
3
15
100
VI
9
2.2
19.8
100
VI
SWI18-12-N
12
1.6
19.2
120
VI
SWI18-24-N
24
0.8
19.2
240
VI
Notes:
1. At full load, nominal input, 20 MHz bandwidth oscilloscope, each output terminated with 0.1 μF multilayer ceramic and 10 μF low ESR electrolytic capacitors.
PART NUMBER KEY
SWI18 - XX - N - XXX - CXX
Reserved for Custom
Configurations
Base Number
Output Voltage
AC Input Type:
North America
cui.com
DC Plug Type:
XXX = See output plug options
on page 4 for more details
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CUI Inc │ SERIES: SWI18-N │ DESCRIPTION: AC-DC POWER SUPPLY
date 04/27/2022 │ page 2 of 5
INPUT
parameter
conditions/description
min
voltage
90
frequency
47
typ
current
inrush current
at 100 Vac, full load, 25°C, cold start
at 230 Vac, full load, 25°C, cold start
leakage current
no load power consumption
at 230 Vac
max
units
264
Vac
63
Hz
0.48
A
50
60
A
A
0.25
mA
0.1
W
max
units
OUTPUT
parameter
conditions/description
regulation
5 Vdc output model
all other models
hold-up time
at full load
min
typ
±6
±5
%
%
10
ms
PROTECTIONS
parameter
conditions/description
min
typ
max
units
over voltage protection
output shut down
5 Vdc output model
9 Vdc output model
12 Vdc output model
24 Vdc output model
12
16
22
45
Vdc
Vdc
Vdc
Vdc
over current protection
output shut down, auto recovery
5 Vdc output model
9 Vdc output model
12 Vdc output model
24 Vdc output model
7
5
5
2.5
A
A
A
A
short circuit protection
output shut down, auto recovery
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
UL/cUL (60950-1, 62368-1), PSE
EMI/EMC
FCC Part 15B Class B
MTBF
as per Telcordia SR-332, 25°C
RoHS
yes
typ
3,000
Vac
10
MΩ
300,000
hours
ENVIRONMENTAL
parameter
conditions/description
min
operating temperature
storage temperature
max
units
0
typ
40
°C
-20
80
°C
operating humidity
non-condensing
20
80
%
storage humidity
non-condensing
10
90
%
cui.com
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CUI Inc │ SERIES: SWI18-N │ DESCRIPTION: AC-DC POWER SUPPLY
date 04/27/2022 │ page 3 of 5
MECHANICAL
parameter
conditions/description
dimensions
72 x 34 x 69
inlet plug
North America, 2-pin
min
typ
max
units
mm
weight
170
MECHANICAL DRAWING
units: mm
tolerance: ±1.0 mm
DC CORD
units: mm
Table 1
MODEL NO.
CABLE
CORD LENGTH
SWI18-5-N
UL2468, 18 AWG
1,500 mm ±30
SWI18-9-N
UL2468, 18 AWG
1,500 mm ±30
SWI18-12-N
UL2468, 20 AWG
1,500 mm ±30
SWI18-24-N
UL2468, 22 AWG
1,500 mm ±30
cui.com
g
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CUI Inc │ SERIES: SWI18-N │ DESCRIPTION: AC-DC POWER SUPPLY
date 04/27/2022 │ page 4 of 5
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)
Plug Angle
Center Pos.
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
●
●
●
●
7
Standard
3.5
1.35
9.5
●
●
●
●
8
Standard
3.8
1.35
9.5
●
●
●
●
9
Standard
3.8
1.05
9.5
●
●
●
●
10
Locking2
5.5
2.1
9.5
●
N/A
●
●
11
Locking2
5.5
2.5
9.5
●
N/A
●
●
12
EIAJ-1
2.35
0.7
9.5
●
●
●
●
13
EIAJ-2
4.0
1.7
9.5
●
●
●
●
14
EIAJ-3
4.75
1.7
9.5
●
●
N/A
N/A
ST
N/A
N/A
Stripped & Tinned
Note: 1. Contact CUI for additional plug options
2. Maximum insertion depth is 10mm
EIAJ
Straight
C
C
Straight
Locking
Right Angle (R)
Stripped & Tinned
25±5
2.5±0.3
5±5
A
B
C
A
A
Right Angle (R)
C
B
B
A
A
B
C
B
Standard
cui.com
10±2
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CUI Inc │ SERIES: SWI18-N │ DESCRIPTION: AC-DC POWER SUPPLY
date 04/27/2022 │ page 5 of 5
REVISION HISTORY
rev.
description
date
1.0
initial release
08/07/2015
1.01
updated datasheet
01/29/2016
1.02
added 62368-1 standard
08/31/2018
1.03
company logo updated
09/18/2020
1.04
safety marks updated
04/26/2021
1.05
plug polarity symbols updated
09/16/2021
1.06
dc plugs updated
04/27/2022
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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