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VF-D250-D1224A

P1-P3P4-P5
cui.com
date 03/29/2013
page
1 of 5
SERIES: VF-D250-DXXA │ DESCRIPTION: AC-DC POWER SUPPLY
MODEL
output
voltage
output
current
output
power
1
ripple and
noise
3,4
efciency
(Vdc)
max
(A)
max w/
airow
2
(A)
max
(W)
max w/
airow
2
(W)
max
(mVp-p)
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
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%
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
Low leakage option:
“blank” = standard specication
L = low leakage (contact factory)
RoHS
For more information, please visit the product page.
cui.com
CUI Inc │ SERIES: VF-D250-DXXA │ DESCRIPTION: AC-DC POWER SUPPLY date 03/29/2013 │ page 2 of 5
INPUT
parameter conditions/description min typ max units
voltage 90-132/180-264 auto selectable 90/180 132/264 Vac
frequency 47 63 Hz
current
at 110~120 Vac, cold start
at 200~240 Vac, cold start
6
3
A
A
inrush current
at 115 Vac, full load, cold start
at 230 Vac, full load, cold start
35
70
A
A
power factor compliant to EN 61000-3-2 class A
remote on/off designated as RMSW on the CN1, requires a low signal to inhibit output, hiccup mode
OUTPUT
parameter conditions/description min typ max units
line regulation low line to high line ±5 %
load regulation all other outputs ±5 %
temperature coefcient 0.25 mV/°C
transient response
Output voltage returns to within 1% in less than 2.5 ms for a 50% load change.
Peak transient does not exceed 5%.
start-up time at 120 Vac 1 s
rise time 0.2 20 ms
hold-up time at 120 Vac and 80% of rated maximim load 20 ms
adjustability ±5 %
power good
Designated as PG on the CN1.
This signal goes high 100-500 mS after the output reaches regulation.
It goes low at least 1 mS before loss of regulation.
fan drive 12 Vdc / 400 mA for external fan
PROTECTIONS
parameter conditions/description
over voltage protection AC input needs to be reset to restart the power supply 130 %
over current protection automatically recovers 110 140 %
short circuit protection short circuit can be continuous, recovers automatically upon removal of short
over temperature protection auto recovery 85 °C
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
isolation voltage
applied for 3 seconds at 10 mA max.
primary to secondary
primary to transformer core
primary to earth chassis
3,000
1,500
1,500
Vac
Vac
Vac
safety approvals UL 60950-1, CSA C22.2 No. 60950-1, TUV EN 60950-1 and CB
EMI/EMC
CISPR 22/EN 55022 class B, EN 61000-3-2, 3,
EN 61000-4-2, 3, 4, 5, 6, 8, 11, EN 55024 CE marked (LVD)
leakage current
at 240 Vac
at 120 Vac
500
300
μA
μA
RoHS compliant yes
MTBF according to MIL-HDBK-217 at 30 ºC 100,000 hrs
For more information, please visit the product page.
cui.com
CUI Inc │ SERIES: VF-D250-DXXA │ DESCRIPTION: AC-DC POWER SUPPLY date 03/29/2013 │ page 3 of 5
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature 0 50 °C
storage temperature -20 85 °C
operating humidity non-condensing 5% 90% %
storage humidity 5% 95% %
vibration acceleration ± 7.35 M/(SxS), on X, Y and Z Axis 5 50 Hz
MECHANICAL
parameter conditions/description min typ max units
dimensions 5(L) x 3.2(W) x 1.5(H) inches
weight 450 g
100
80
60
50
40
20
Ambient Temperature (°C)
Load (%)
-25010203040506070
≈≈
DERATING CURVES
output power vs. ambient temperature
For more information, please visit the product page.
P1-P3P4-P5

VF-D250-D1224A

Mfr. #:
Buy VF-D250-D1224A
Manufacturer:
Description:
AC/DC Power Supply Dual-OUT 12V/24V 12A/6A 250W 14-Pin
Lifecycle:
New from this manufacturer.
Delivery:
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