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UNR Series
Single Output, Non-Isolated, 1.8/2.5/3.3V OUT 3.6-10W DC/DC Converters
CUSTOM CAPABILITIES
UNR-3.3/3-D5SM Radiated Emissions
FCC Part 15 Class B, 3 Meters
Murata Power Solutions' world-class design, development and manufactur-
ing team stands ready to work with you to deliver the exact power converter
you need for your demanding, large volume, OEM applications. And ... we’ll
do it on time and within budget!
Our experienced applications and design staffs; quick-turn prototype capa-
bility; highly automated, SMT assembly facilities; and in-line SPC quality-con-
trol techniques combine to give us the unique ability to design and deliver any
quantity of power converters to the highest standards of quality and reliability.
We have compiled a large library of DC/DC designs that are currently used
in a variety of telecom, medical, computer, railway, aerospace and industrial
applications. We may already have the converter you need.
Contact us. Our goal is to provide you the highest-quality, most cost-effec-
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40
30
20
10
0
–10
–20
Converter Output = 3.3Vdc @ 2.7 Amps
FCC Class B Limit
Radiated Emissions
tive power converters available.
100
Frequency (MHz)
1000
EMI Radiated Emissions
UNR-3.3/3-D5SM Radiated Emissions
EN 55022 Class B, 10 Meters
If you’re designing with EMC in mind, please note that all of Murata Power
Solutions' 3.6-10 Watt UNR Series DC/DC Converters have been characterized
for radiated and conducted emissions in our new EMI/EMC laboratory. Testing
is conducted in an EMCO 5305 GTEM test cell utilizing EMCO automated EMC
test software. Radiated emissions are tested to the limits of FCC Part 15,
Class B and CISPR 22 (EN 55022), Class B. Correlation to other speci?cations
can be supplied upon request. Radiated emissions plots to FCC and CISPR 22
for model UNR-3.3/3-D5SM appear below.
80
70
60
50
40
30
Converter Output = 3.3Vdc @ 2.7 Amps
EN 55022 Class B Limit
20
10
0
Radiated Emissions
–10
–20
100
Frequency (MHz)
1000
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mans?eld, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
This product is subject to the following operating requirements
and the Life and Safety Critical Application Sales Policy :
Refer to: http://www.murata-ps.com/requirements/
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Speci?cations are subject to change without
notice.
? 2013 Murata Power Solutions, Inc.
www.murata-ps.com/support
MDC_UNR 3.6-10W.C01 Page 8 of 8
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