cui.com
date 12/09/2020
page 1 of 5
SERIES: SWI3-E │ DESCRIPTION: AC-DC POWER SUPPLY
MODEL input
voltage
input
frequency
output
voltage
output
current
output
power
ripple
and
noise1
eciency
level2
no load power
consumption
range
(Vac)
range
(Hz)
nom
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
average3
(%)
10%
(%)
typ
(W)
SWI3-5-E 90 ~ 264 47 ~ 63 5 0.6 3 150 74.9 66.2 0.05
Notes: 1. At full load, nominal AC input voltage, 25°C, 20 MHz bandwidth oscilloscope, output terminated with 0.1 µF and 10 µF capacitors to ground.
2. CoC Tier 2 compliant.
3. Average eciency is measured at 25%, 50%, 75%, and 100% load.
FEATURES
• up to 3 W continuous power
• IEC 62368 compliant
• CoC Tier 2 compliant
• universal input voltage range
• ultra-compact case
• no load power consumption < 0.075 W
• over voltage, over current, and short circuit protections
• CE, GS safety approvals
• Class II construction
PART NUMBER KEY
Base Number Reserved for Custom
Congurations
SWI3 - XX - E - XXX - CXX
DC Plug Type:
XXX = See output plug options
on page 4 for more details
Output Voltage
AC Input Type:
Europe
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date 12/09/2020 │ page 2 of 5CUI Inc │ SERIES: SWI3-E │ DESCRIPTION: AC-DC POWER SUPPLY
INPUT
parameter conditions/description min typ max units
voltage 90 264 Vac
frequency 47 63 Hz
current at nominal input voltage 0.2 A
leakage current at nominal input voltage & frequency 0.25 mA
no load power consumption at 115/230 Vac, 60/50 Hz 0.075 W
OUTPUT
parameter conditions/description min typ max units
line regulation 4.9 5.4 Vdc
load regulation 4.9 5.4 Vdc
start-up time at 115 Vac 3 s
PROTECTIONS
parameter conditions/description min typ max units
over current protection auto recovery 1 A
short circuit protection
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
isolation voltage input to output at 10 mA for 1 minute 3,000
4,242
Vac
Vdc
safety approvals GS (EN 62368)
EMI/EMC CE (EN 55032, CISPR 32, EN 61000-3-2, EN
61000-3-3, EN 55024, CISPR 24)
MTBF as per Telcordia SR-332 (Issue 2), at 115/230 Vac,
full load, 0°C~40°C 50,000 hours
RoHS 2011/65/EU
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature 0 40 °C
storage temperature -20 60 °C
operating humidity non-condensing 20 85 %
storage humidity non-condensing 5 95 %
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date 12/09/2020 │ page 3 of 5CUI Inc │ SERIES: SWI3-E │ DESCRIPTION: AC-DC POWER SUPPLY
MECHANICAL
parameter conditions/description min typ max units
dimensions 54.0 x 29.5 x 56.0 mm
inlet plug Europe
weight 51 g
MECHANICAL DRAWING
units: mm
DC CORD
MODEL NO. CABLE CORD LENGTH
SWI3-5-E UL1185, 24 AWG 1,500 mm ±50
units: mm
Table 1
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date 12/09/2020 │ page 4 of 5CUI Inc │ SERIES: SWI3-E │ DESCRIPTION: AC-DC POWER SUPPLY
A
C
B
A
B
C
C
A
B
Right Angle (R)Straight
C
A
B
Right Angle (R)Straight
P5(-) P1(+)
Standard EIAJ
Locking USB
Stripped & Tinned
C
A
B
5.8±0.5
DC PLUG TYPE PART NUMBER KEY
X X X
Plug Code:
X = Choose a code from the
options below
Plug Angle:
“blank” = Straight
R = Right Angle
Plug Polarity:
P = Center Positive
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 Locking 5.5 2.1 9.5 ●N/A
● ● 11 Locking 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 Stripped & Tinned N/A N/A
N/A N/A MUB USB Micro USB Type B ● N/A
Note: 1. Contact CUI for additional plug options
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date 12/09/2020 │ page 5 of 5CUI Inc │ SERIES: SWI3-E │ DESCRIPTION: AC-DC POWER SUPPLY
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 oers 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 aect its safety or eectiveness.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
rev. description date
1.0 initial release 09/14/2017
1.01 company logo updated 09/21/2020
1.02 logo and model table updated 11/27/2020
1.03 safety line updated 12/09/2020
The revision history provided is for informational purposes only and is believed to be accurate.
REVISION HISTORY
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