2. Ramp up rate during preheat: 1.4°C/s (from 50°C to 100°C)
3. Soaking temperature: 0.5°C/s (from 100°C to 130°C), 60±20 seconds
4. Peak temperature: 260°C, above 250°C for 3~6 seconds
5. Ramp down rate during cooling: -10°C/s (from 260°C to 150°C)
Temperature (°C)
Time (Seconds)
MECHANICAL
parameter
dimensions
weight
cooling
natural convection
conditions/description
2.331 x 1.665 x 0.902 (59.20 x 42.30 x 22.90 mm)
42
min
typ
max
units
inch
g
MECHANICAL DRAWING
units: inch [mm]
tolerance: X.XXX = ±0.020 [±0.50]
2.331 59.20
PIN CONNECTIONS
PIN
1
2
3
4
Function
ACN
ACL
3
0.439 11.15
0.902 22.90 max
0.150 3.80
1.665 42.30
+Vout
1
0.689 17.50
0.144 3.65
4
2
0.173 4.40
0.039 1.00
2.126 54.00
cui.com
0.689 17.50 max
0.787 20.00
-Vout
For more information, please visit the
product page
|
If your application requires forced air, view our
Dc Fans
CUI Inc
│
SERIES:
VOF-20B
│
DESCRIPTION:
AC-DC POWER SUPPLY
date
02/05/2018
│
page
4 of 5
DERATING CURVE
Output Power vs. Ambient Temperature
(Natural Convention)
100
75
50
25
0
-25 -15 -5
Load (%)
Ambient Temperature (°C)
0
5
15 25 35 45 55 65 75
EFFICIENCY CURVES
5 Vdc Output Efficiency Curve
(at 25°C)
90.0
85.0
90.0
85.0
9 Vdc Output Efficiency Curve
(at 25°C)
Efficiency (%)
75.0
70.0
65.0
60.0
55.0
10
20
30
40
50
60
70
80
85 Vac
115 Vac
230 Vac
264 Vac
Efficiency (%)
80.0
80.0
75.0
70.0
65.0
60.0
55.0
85 Vac
115 Vac
230 Vac
264 Vac
Current Load (%)
90
100
10
20
30
40
Current Load (%)
50
60
70
80
90
100
12 Vdc Output Efficiency Curve
(at 25°C)
90.0
85.0
15 Vdc Output Efficiency Curve
(at 25°C)
90.0
85.0
Efficiency (%)
Efficiency (%)
80.0
75.0
70.0
65.0
60.0
55.0
10
20
30
40
50
60
70
80
85 Vac
115 Vac
230 Vac
264 Vac
80.0
75.0
70.0
65.0
60.0
55.0
85 Vac
115 Vac
230 Vac
264 Vac
Current Load (%)
90
100
10
20
30
40
Current Load (%)
50
60
70
80
90
100
24 Vdc Output Efficiency Curve
(at 25°C)
95.0
90.0
85.0
80.0
75.0
70.0
65.0
60.0
55.0
10
20
30
40
50
60
70
80
85 Vac
115 Vac
230 Vac
264 Vac
48 Vdc Output Efficiency Curve
(at 25°C)
95.0
90.0
85.0
80.0
75.0
70.0
65.0
60.0
100
85 Vac
115 Vac
230 Vac
264 Vac
Efficiency (%)
Efficiency (%)
Current Load (%)
90
55.0
10
20
30
40
Current Load (%)
50
60
70
80
90
100
cui.com
For more information, please visit the
product page
|
If your application requires forced air, view our
Dc Fans
CUI Inc
│
SERIES:
VOF-20B
│
DESCRIPTION:
AC-DC POWER SUPPLY
date
02/05/2018
│
page
5 of 5
REVISION HISTORY
rev.
1.0
1.01
description
initial release
increased operating altitude
date
02/23/2017
02/05/2018
The revision history provided is for informational purposes only and is believed to be accurate.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
Fax 503.612.2383
cui.com
techsupport@cui.com
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a
life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
