VF-D250-DXXA Datasheet, PDF (1/5 Pages) CUI INC – up to 250 W continuous power w/ 16 CFM forced air

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date 03/29/2013
page 1 of 5
SERIES: VF-D250-DXXA │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
• up to 250 W continuous power w/ 16 CFM forced air
• 600 W peak power within 500 µs duty duration
• passive power correction
• dual outputs
• power good signal
• remote on/off control
• 3,000 Vac isolation voltage
• over load, over voltage, over temperature, and short circuit protections
• UL/cUL, and TUV 60950-1 safety approvals
• efficiency up to 70%
RoHS
MODEL
output
voltage
(Vdc)
output
current
max
(A)
max w/
airflow²
(A)
output
power¹
max
(W)
max w/
airflow²
(W)
ripple and
noise ^3,4
max
(mVp-p)
efficiency
typ
(%)
VF-D250-D312A
3.3
12
12
7
24
12
100
200
50
120
70%
VF-D250-D324A
3.3
24
12
4
24
6
100
200
50
240
70%
VF-D250-D512A
5
12
12
7
24
12
100
200
50
120
70%
VF-D250-D524A
5
24
12
4
24
6
100
200
50
240
70%
VF-D250-D548A
5
48
12
2
24
3
100
200
50
480
70%
VF-D250-D1224A
12
24
7
4
12
6
135
250
120
240
70%
Notes:
1. Maximum total combined power
2. With external 16 CFM fan
3. 10% minimum load is required to maintain the ripple and regulation.
4. Ripple and noise is measured from 10 KHz to 20 MHz at output terminals with a 0.1 μF ceramic capacitor and a 22 μF electrolytic capacitor in parallel.
PART NUMBER KEY
VF - D250 - DXX A - X X
Base Number
Output Voltage
Low leakage option:
“blank” = standard specification
L = low leakage (contact factory)
Input/Output connector:
“blank” = Terminal block input / Terminal block output
1 = Molex input / Molex output
2 = Molex input / Terminal block output
3 = Terminal block input / Molex output
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