cui.com

date 08/12/2021

│ page 2 of 4

CUI Inc

│ SERIES: SMI10-USB │ 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

0.3

A

leakage current

at nominal input voltage & frequency

0.25

mA

no load power consumption

at 115/230 Vac, 60/50 Hz

Level VI

CoC Tier 2

0.075

0.075

W

W

OUTPUT

parameter

conditions/description

min

typ

max

units

load regulation

±5

%

start-up time

3

s

hold-up time

at nominal input voltage, full load

5

ms

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over voltage protection

with zener clamp

10

Vdc

over current protection

output shut down, auto recovery

4

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, RCM, CCC, PSE, UKCA

EMI/EMC

FCCPart15BClassB,CE

MTBF

as per Telcordia SR-332 Issue 2, at 115/230 Vac,

full load, 0 ~ 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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