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DATASHEET
Rev. A
DTSPU46 SERIES
90~264VAC Input Voltage Range
Up to 50 Watts
Class I, Single Output
AC/DC Desktop Power Supplies
FEATURES
 Class I
 Single Output
 RoHS Compliant
 IEC-320-C14 Input Inlet
 Optional Output Connectors
 Over Voltage Protection (Crowbar Design)
 Energy Star 2.0, Efficiency Level V Compliant
 Output Voltages Available from 5VDC to 50VDC
 Wide Input Voltage Range: 90~264VAC, 47~63Hz
 Input Surge Current, Over Voltage, and Over Load Protection
DESCRIPTION
The DTSPU46 series of AC/DC desktop switching power supplies provides up to 50 watts of continuous output power. This
series consists of single output models with a 90~264VAC input voltage range and an IEC-320-C14 input inlet connector
for worldwide applications. These supplies also have input surge current, over voltage, and over load protection. All units
are UL94V-1, RoHS, and Energy Star 2.0 Level V compliant. All models meet FCC Part-15 class B and CISPR-22 class B
emission limits and have UL/cUL (UL 60950-1) and TUV/GS (EN 60950-1) certifications. This series also meets new CE
requirements. All units are 100% burn-in tested.
12/16/2010
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 4
DTSPU46 Series
Up to 50 Watts
Class I, Single Output
AC/DC Desktop Power Supply
Rev. A
SPECIFICATIONS: DTSPU46 Series
All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
INPUT SPECIFICATIONS
TEST CONDITIONS
Min
Nom
Max
Unit
Operating Voltage Range
90
264
VAC
Input Frequency
47
63
Hz
Low Line
Io = Full Load, Vin = 115VAC
1.1
A
High Line
Io = Full Load, Vin = 230VAC
0.55
A
Low Line
Io = Full Load, 25°C, Cool Start, Vin = 115VAC
12
23
A
High Line
Io = Full Load, 25°C, Cool Start, Vin = 230VAC
26
45
A
Load Regulation
Vin = 230VAC
3
Line Regulation
Io = Full Load
Output Power Range
Vin = 90 to 264VAC
Input Current
Inrush Current
OUTPUT SPECIFICATIONS
Output Voltage Range
See Table
0.5
0
Output Current Range
15
%
1
%
50
W
See Table
Ripple & Noise (peak to peak)
Full Load, Vin = 90VAC
Transient Response Time
Io = Full Load to Half Load, Vin = 100VAC
Hold-Up Time
Io = Full Load, Vin = 110VAC
Start-Up Time
Io = Full Load, Vin = 100VAC
0.5
1
%
4
ms
16
0.3
ms
2
s
-0.04
+0.04
%/°C
Over Voltage Protection
112
132
%
Over Current Protection
110
150
%
88
%
Temperature Coefficient
1
PROTECTION
GENERAL SPECIFICATIONS
Efficiency
Dielectric Withstanding Voltage
For Primary to Secondary
Dielectric Withstanding Voltage
For Primary to Ground
Isolation Resistance
Safety Ground Leakage Current
Io = Full Load, Vin = 230VAC
83
85
Primary to Secondary
4242
VDC
Primary to Ground
2121
VDC
Test Voltage = 500VDC
50
Io = Full Load, Vin = 240VAC
MΩ
0.5
0.75
mA
0
70
°C
-40
85
°C
5
95
%
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
Derate linearly from 100% Load at 40°C to 50% load at 70°C
Storage Temperature
Relative Humidity
MTBF
Operating Temperature at 25°C, calculated per MIL-HDBK-217F
PHYSICAL SPECIFICATIONS
Weight
100,000 hours
Approx. 1.18~1.23 lbs (535~560g)
5.75 x 2.99 x 1.69 inches
(146.0 x 76.0 x 43.0 mm)
IEC-320-C14
Dimensions (L x W x H)
AC Inlet
SAFETY
Safety Approvals
UL/cUL UL60950-1, TUV/GS EN60950-1, CE
EMI Requirements for CISPR-22
Vin = 220VAC
B
Class
EMI Requirements for FCC PART-15
Vin = 110VAC
B
Class
12/16/2010
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 2 of 4
DTSPU46 Series
Up to 50 Watts
Class I, Single Output
AC/DC Desktop Power Supply
Rev. A
MODEL SELECTION TABLE
Input Voltage Range
Output Voltage Range
Max. Output Current
Total Regulation (3)
Max. Output Power
DTSPU46-102
90 ~ 264 VAC
5 ~ 6 VDC
8.00 A max.
5%
40W
*DTSPU46-103
90 ~ 264 VAC
6 ~ 8 VDC
7.50 ~ 5.62 A
5%
45W
*DTSPU46-104
90 ~ 264 VAC
8 ~ 11 VDC
5.62 ~ 4.09 A
4%
45W
*DTSPU46-105
90 ~ 264 VAC
11 ~ 13 VDC
4.09 ~ 3.46 A
3%
45W
*DTSPU46-106
90 ~ 264 VAC
13 ~ 16 VDC
3.46 ~ 2.81 A
3%
45W
*DTSPU46-107
90 ~ 264 VAC
16 ~ 21 VDC
3.12 ~ 2.38 A
3%
50W
*DTSPU46-108
90 ~ 264 VAC
21 ~ 27 VDC
2.38 ~ 1.85 A
2%
50W
*DTSPU46-109
90 ~ 264 VAC
27 ~ 33 VDC
1.85 ~ 1.51 A
2%
50W
*DTSPU46-110
90 ~ 264 VAC
33 ~ 40 VDC
1.51 ~ 1.25 A
2%
50W
*DTSPU46-111
90 ~ 264 VAC
40 ~ 50 VDC
1.25 ~ 1.00 A
2%
50W
Model Number
NOTES
1. The “*” next to the model number means PSE Approval.
2. The output voltage is specified as a range (ex: 40~50VDC); the customer must specify what they would like the output voltage set at.
Please call factory for more details.
3. Model DTSPU46-102 needs to use AWG#16/5C/4FT output cable in order to meet the total regulation specified.
Model DTSPU46-105 needs to use AWG#18/3C/4FT, AWG#20/2C/4FT output cable in order to meet the total regulation specified.
Model DTSPU46-111 needs to use AWG#18/2C/4FT output cable in order to meet the total regulation specified.
The regulation and efficiency will change if a different output cable is used.
4. Optional output connectors are available. Please call factory for ordering details.
Output Power (%)
DERATING CURVE
Ambient Temperature (°C)
12/16/2010
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 3 of 4
DTSPU46 Series
Up to 50 Watts
Class I, Single Output
AC/DC Desktop Power Supply
Rev. A
MECHANICAL DRAWING
Unit: inches (mm)
2.99±0.04 (76.0±1.0)
5.75±0.04 (146.0±1.0)
0.05±0.04 (1.3±1.0)
1.69±0.04 (43.0±1.0)
TOP
POWER
AC INPUT
IEC-320-C14 INLET
COMPANY INFORMATION
Wall Industries, Inc. has created custom and modified units for over 50 years. Our in-house research and development
engineers will provide a solution that exceeds your performance requirements on-time and on budget. Our ISO9001-2008
certification is just one example of our commitment to producing a high quality, well-documented product for our customers.
Our past projects demonstrate our commitment to you, our customer. Wall Industries, Inc. has a reputation for working
closely with its customers to ensure each solution meets or exceeds form, fit and function requirements. We will continue to
provide ongoing support for your project above and beyond the design and production phases. Give us a call today to discuss
your future projects.
Contact Wall Industries for further information:
Phone:
Toll Free:
Fax:
E-mail:
Web:
Address:
12/16/2010
(603)778-2300
(888)597-9255
(603)778-9797
sales@wallindustries.com
www.wallindustries.com
5 Watson Brook Rd.
Exeter, NH 03833
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 4 of 4