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date 01/25/2021

│ page 3 of 5

CUI Inc

│ SERIES: VGS-75B │ DESCRIPTION: AC-DC POWER SUPPLY

SAFETY & COMPLIANCE (CONTINUED)

parameter

conditions/description

min

typ

max

units

surge immunity

IEC 61000-4-5, input L to input N: 1 kV;

input L to FG: 2 kV; input N to FG: 2 kV, Class C

conducted immunity

IEC 61000-4-6, frequency range: 0.15~80 MHz;

field strength: 3 Vms, Class A

magnetic field immunity

IEC 61000-4-8, 1 A/m, Class A

voltage dips, interruptions

IEC 61000-4-11:

voltage dips >95% reduction, 0.5 period, Class A

voltage dips 30% reduction, 25 period, Class B

voltage dips >95% reduction, 250 period, Class C

MTBF

as per MIL-HDBK-217F, 25°C

200,000

hours

RoHS

yes

Notes:

1. The power supply is considered a component which will be installed into final equipment. The final equipment still must be tested to meet the necessary EMC directives.

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

see derating curves

-20

70

°C

storage temperature

-40

85

°C

operating humidity

non-condensing

20

90

%

storage humidity

non-condensing

10

95

%

DERATING CURVES

Output Load vs. Ambient Temperature

(Natural Convection)

Ambient Temperature (°C)

-20

60

80

100

40

20

0

30

0

70

10

20

40

50

60

Output Load vs. Input Voltage

(at 25°C, Natural Convection)

Input (Vac)

90

60

80

100

40

20

100

176

0

115

132

200

230

264

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