Additional Resources: Product Page | 3D Model
date 08/31/2018
page 1 of 6
SERIES: SDI18-UD DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
up to 18 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, GS, CE, PSE safety approvals
certified to 60950-1 and 62368-1 standards
output output output ripple efficiency
MODEL
1 2
voltage current power and noise level
max max max
(Vdc) (A) (W) (mVp-p)
SDI18-5-UD 5 3 15 100 VI
SDI18-5.9-UD 5.9 3 17.7 100 VI
SDI18-9-UD 9 2.2 19.8 100 VI
SDI18-12-UD 12 1.6 19.2 120 VI
SDI18-15-UD 15 1.3 19.5 150 VI
SDI18-24-UD 24 0.8 19.2 240 VI
Notes: 1. At full load, nominal input, 20 MHz bandwidth oscilloscope, each output terminated with 0.1 F multilayer ceramic and 10 F low ESR electrolytic capacitors.
2. CoC Tier 2 compliant
PART NUMBER KEY
SDI18 - XX - UDX - XXX - CXX
AC Inlet Type:
Base Number
Reserved for Custom
IEC320/C8
Configurations
Output Voltage
Input Cable:
DC Plug Type:
Blank = No Cable
XXX = See output plug options
C = North America input cable
on page 5 for more details
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.comAdditional Resources: Product Page | 3D Model
CUI Inc SERIES: SDI18-UD DESCRIPTION: AC-DC POWER SUPPLY date 08/31/2018 page 2 of 6
INPUT
parameter conditions/description min typ max units
voltage 90 264 Vac
frequency 47 63 Hz
current at full load 0.48 A
at 100 Vac, full load, 25C, cold start 50 A
inrush current
at 230 Vac, full load, 25C, cold start 60 A
leakage current 0.25 mA
no load power consumption at 230 Vac 0.075 W
OUTPUT
parameter conditions/description min typ max units
5 Vdc output model 6 %
regulation
all other models 5 %
hold-up time at full load 10 ms
PROTECTIONS
parameter conditions/description min typ max units
output shut down
5 Vdc output model 12 Vdc
5.9 Vdc output model 12 Vdc
over voltage protection 9 Vdc output model 16 Vdc
12 Vdc output model 22 Vdc
15 Vdc output model 32 Vdc
24 Vdc output model 45 Vdc
output shut down, auto recovery
5 Vdc output model 7 A
5.9 Vdc output model 6 A
over current protection 9 Vdc output model 5 A
12 Vdc output model 5 A
15 Vdc output model 4 A
24 Vdc output model 2.5 A
short circuit protection output shut down, auto recovery
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
isolation voltage input to output at 10 mA for 1 minute 3,000 Vac
isolation resistance input to output at 500 Vdc 10 M
safety approvals UL/cUL (60950-1, 62368-1), GS, PSE
EMI/EMC FCC Part 15B Class B, CE
MTBF as per Telcordia SR-332, 25C 300,000 hours
RoHS yes
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature 0 40 C
storage temperature -20 80 C
operating humidity non-condensing 20 80 %
storage humidity non-condensing 10 90 %
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