cui.com
date 06/17/2021
page
1 of 5
SERIES: SWI3-N DESCRIPTION: AC-DC POWER SUPPLY
MODEL
output
voltage
output
current
output
power
ripple
and noise
1
eciency
level
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
SWI3-5-N 5 0.6 3 150 VI
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.
FEATURES
• up to 3 W continuous power
• IEC 62368 compliant
• DoE Level VI efficiency
• universal input voltage range
• ultra-compact case
• no load power consumption < 0.075 W
• over voltage, over current, and short circuit protections
• UL/cUL, PSE, FCC safety approvals
• Class II construction
PART NUMBER KEY
Base Number
Reserved for Custom
Congurations
SWI3 - XX - N - XXX - CXX
DC Plug Type:
XXX = See output plug options
on page 4 for more details
Output Voltage
AC Input Type:
North America
Additional Resources: Product Page | 3D Model
cui.com
date 06/17/2021 page 2 of 5CUI Inc SERIES: SWI3-N 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 0.02 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 UL/cUL (UL 60950-1, UL 62368-1), PSE
EMI/EMC FCC Part 15 Subpart B Class B
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 %
Additional Resources: Product Page | 3D Model