cui.com

date 10/16/2018

│ page 3 of 5

CUI Inc

│ SERIES: VOF-70B │ DESCRIPTION: AC-DC POWER SUPPLY

SAFETY & COMPLIANCE (CONTINUED)

parameter

conditions/description

min

typ

max

units

surge immunity

EN 61000-4-5, ±2 kV diff, ±4 kV com

conducted immunity

EN 61000-4-6, 3 Vrms

magnetic field immunity

EN 61000-4-8, 50 Hz, 1 A/m (rms), Class A

voltage dips, interruptions

EN 61000-4-11:

voltage dips 30% reduction for 500 ms, Class A

voltage dips >95% reduction for 10 ms, Class A

voltage dips >95% reduction for 5000 ms, Class B

MTBF

as per MIL-HDBK-217F, 25°C, full load

350,000

hours

RoHS

yes

Notes:

4. 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

5

95

%

altitude

5,000

m

DERATING CURVES

Output Load vs. Ambient Temperature

100

80

60

40

20

Input Voltage (Vac)

264

90

150

180

210

240

120

Output Load vs. Input Voltage

100

80

60

40

20

Ambient Temperature (°C)

40

50

60

50

-20

-10

0102030

70

EFFICIENCY CURVES

VOF-70B-12 Efficiency vs. Output Load

(Natural Convection)

VOF-70B-24 Efficiency vs. Output Load

(Natural Convection)

For more information, please visit the product page

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