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DATASHEET
Rev. A
DCHF40W SERIES
2:1 Input Voltage Range
Single, Dual, and Triple Outputs
38.4~47.5 Watts Output Power
DC/DC Chassis Mount Power Converters
FEATURES
 Single, Dual, and Triple Outputs
 RoHS Compliant
 Output Voltage Adjustability
 Free Air Convection
 2:1 Input Voltage Range
 High Reliability
 Built-in EMI Filter
 38.4~47.5W Output Power
 Dimensions: 5.08 x 3.86 x 1.57 Inches
 Short Circuit and Over Load Protected
DESCRIPTION
The DCHF40W series of DC/DC power converters offers from 38.4W to 47.5W of output power in a 5.08” x
3.86” x 1.57” enclosed case. This series has 2:1 input voltage ranges of 18-36VDC, 36-72VDC, and 72144VDC. This series also has single, dual, and triple output models available. Some features include output
adjustability, a built-in EMI filter, and short circuit and over load protection. All models in this series are RoHS
compliant.
12/07/2010
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 4
DCHF40W Series
38.4~47.5 Watts
Single, Dual, and Triple Outputs
DC/DC Chassis Mount Power Converters
Rev. B
SPECIFICATIONS: DCHF40W 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
TEST CONDITIONS
Min
Nom
Max
24VDC nominal input models
18
24
36
48VDC nominal input models
36
48
72
110VDC nominal input models
72
110
144
Unit
INPUT SPECIFICATIONS
Input Voltage Range
VDC
OUTPUT SPECIFICATIONS
Output Voltage
See Table
Output Voltage Adjustment Range
Line Regulation
Load Regulation
Single Output Models
-10
+10
Multi-Output Models: V1
-5
+5
Full load
≤ -0.5
≤ +0.5
V1
≤ -0.5
≤ +0.5
V2,3 (with regulators)
≤ -3
≤ +3
V2,3 (without regulators)
≤ -6
≤ +6
Output Current
See Table
Output Power
See Table
Ripple & Noise
See Table
%
%
%
PROTECTION
Over Load Protection
110
Short Circuit Protection
150
%
Yes
GENERAL SPECIFICATIONS
Efficiency
See Table
Input to Output
Withstand Voltage
Input to FG
Isolation Resistance
1000
All for 1 minute
1000
Output to FG
500
At 500VDC
> 100
VDC
MΩ
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
-10
+50
°C
Operating Humidity (non-condensing)
20
90
% RH
Storage Temperature
-20
+85
°C
Storage Humidity (non-condensing)
20
95
% RH
Cooling Method
Free air convection
PHYSICAL SPECIFICATIONS
5.08 x 3.86 x 1.57 inches
(129 x 98 x 40 mm)
11.64oz (330g)
Dimensions (L x W x H)
Weight
SAFETY & EMC CHARACTERISTICS
Safety Standards
Design refer to LVD
EMC Standards
Design refer to EN55022, EN61000-4
12/07/2010
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 2 of 4
DCHF40W Series
38.4~47.5 Watts
Single, Dual, and Triple Outputs
DC/DC Chassis Mount Power Converters
Rev. B
MODEL SELECTION TABLES
SINGLE OUTPUT MODELS
Model
Input Voltage
DCHF40W-SD24-5
24 VDC
DCHF40W-SD24-12
(18 – 36 VDC)
DCHF40W-SD24-24
DCHF40W-SD48-5
48 VDC
DCHF40W-SD48-12
(36 – 72 VDC)
DCHF40W-SD48-24
DCHF40W-SD110-5
110 VDC
DCHF40W-SD110-12
(72 – 144 VDC)
DCHF40W-SD110-24
Output Voltage
Output Current
Ripple & Noise
Output Power
Efficiency
5 VDC
8.0 A
80mVp-p
40W
75%
12 VDC
3.3 A
120mVp-p
39.6W
79%
24 VDC
1.6 A
150mVp-p
38.4W
84%
5 VDC
8.0 A
80mVp-p
40W
77%
12 VDC
3.3 A
120mVp-p
39.6W
81%
24 VDC
1.6 A
150mVp-p
38.4W
85%
5 VDC
8.0 A
80mVp-p
40W
77%
12 VDC
3.3 A
120mVp-p
39.6W
81%
24 VDC
1.6 A
150mVp-p
38.4W
85%
Output Power
Efficiency
44W
70%
52.5W
70%
44W
70%
52.5W
70%
44W
70%
52.5W
70%
Output Power
Efficiency
47.5W
67%
47.5W
67%
47.5W
67%
DUAL OUTPUT MODELS
Model
DCHF40W-DD24-A
DCHF40W-DD24-B
DCHF40W-DD48-A
DCHF40W-DD48-B
DCHF40W-DD110-A
DCHF40W-DD110-B
Input Voltage
V1
Output Voltage
Output Current
Ripple & Noise
5 VDC
0.5 ~ 4.0 A
100mVp-p
V2
24 VDC
12 VDC
0 ~ 2.0 A
150mVp-p
V1
(18 – 36 VDC)
15 VDC
0.2 ~ 2.0 A
150mVp-p
V2
-15 VDC
0 ~ 1.5 A
150mVp-p
V1
5 VDC
0.5 ~ 4.0 A
100mVp-p
V2
48 VDC
12 VDC
0 ~ 2.0 A
150mVp-p
V1
(36 – 72 VDC)
15 VDC
0.2 ~ 2.0 A
150mVp-p
V2
-15 VDC
0 ~ 1.5 A
150mVp-p
V1
5 VDC
0.5 ~ 4.0 A
100mVp-p
V2
110 VDC
12 VDC
0 ~ 2.0 A
150mVp-p
V1
(72 – 144 VDC)
15 VDC
0.2 ~ 2.0 A
150mVp-p
-15 VDC
0 ~ 1.5 A
150mVp-p
V2
TRIPLE OUTPUT MODELS
Model
Input Voltage
V1
DCHF40W-TD24-A
V2
24 VDC
(18 – 36 VDC)
V3
V1
DCHF40W-TD48-A
V2
48 VDC
(36 – 72 VDC)
V3
V1
DCHF40W-TD110-A
V2
V3
12/07/2010
110 VDC
(72 – 144 VDC)
Output Voltage
Output Current
Ripple & Noise
5 VDC
0.5 ~ 3.5 A
100mVp-p
12 VDC
0.1 ~ 1.5 A
150mVp-p
-12 VDC
0.1 ~ 1.0 A
150mVp-p
5 VDC
0.5 ~ 3.5 A
100mVp-p
12 VDC
0.1 ~ 1.5 A
150mVp-p
-12 VDC
0.1 ~ 1.0 A
150mVp-p
5 VDC
0.5 ~ 3.5 A
100mVp-p
12 VDC
0.1 ~ 1.5 A
150mVp-p
-12 VDC
0.1 ~ 1.0 A
150mVp-p
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 3 of 4
Rev. B
DCHF40W Series
38.4~47.5 Watts
Single, Dual, and Triple Outputs
DC/DC Chassis Mount Power Converters
MECHANICAL DRAWING
Unit: inches (mm)
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:
12/07/2010
(603)778-2300
(888)597-9255
(603)778-9797
[email protected]
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