UEI25-120-D48N-C Murata Power Solutions Inc, UEI25-120-D48N-C Datasheet - Page 23

• Manufacturer Part Number: UEI25-120-D48N-C
• Description: CONV DC/DC 25W 12V
• Manufacturer: Murata Power Solutions Inc
• Series: UEI25-120r
• Type: Isolatedr

Specifications of UEI25-120-D48N-C

• Number Of Outputs: 1
• Output: 12V
• Power (watts): 25W
• Mounting Type: Through Hole
• Voltage - Input: 36 ~ 75V
• Package / Case: 6-DIP Module
• 1st Output: 12 VDC @ 2.1A
• Size / Dimension: 1.10" L x 0.96" W x 0.32" H (27.9mm x 24.4mm x 8.1mm)
• Power (watts) - Rated: 25W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 87.5%
• Approvals: CAN, CSA, EN, IEC, UL
• Output Power: 25.2 W
• Input Voltage Range: 36 V to 75 V
• Input Voltage (nominal): 48 V
• Output Voltage (channel 1): 12 V
• Output Current (channel 1): 2.1 A
• Package / Case Size: 24.38 mm x 27.94 mm x 8.13 mm
• Output Type: DC/DC Converter
• Output Voltage: 12 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 811-2222

Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfi eld, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
Figure 7. Vertical Wind Tunnel
www.murata-ps.com/locations
ents on each side. The adjustable heating element and fan, built-in tempera-
ture gauges and no-contact IR camera mean that power supplies are tested in
real-world conditions.
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. Specifi cations are subject to change without
notice.
Both sides of the UUT are studied since there are different thermal gradi-
from others, possibly causing uneven overheating.
turbulence removes more heat from some surfaces and less heat
tive heat transfer characteristics and give false readings. Excess
Vertical Wind Tunnel
vertical wind tunnel, infrared video camera system and test
instrumentation for accurate airfl ow and heat dissipation
analysis of power products. The system includes a precision low
fl ow-rate anemometer, variable speed fan, power supply input
and load controls, temperature gauges and adjustable heating
element.
Under Test (UUT) with both dynamic loads and static steady-
state conditions. A special optical port is used which is transpar-
ent to infrared wavelengths. The computer fi les from the IR
camera can be studied for later analysis.
down to a host carrier board for realistic heat absorption and
spreading. Both longitudinal and transverse airfl ow studies are
possible by rotation of this carrier board since there are often
signifi cant differences in the heat dissipation in the two airfl ow
directions. The combination of both adjustable airfl ow, adjustable
ambient heat and adjustable Input/Output currents and voltages
mean that a very wide range of measurement conditions can be
studied.
ment to make uniform temperature distribution. The collimator
also reduces the amount of turbulence adjacent to the UUT by
restoring laminar airfl ow. Such turbulence can change the effec-
Single Output Isolated 25-Watt DC/DC Converters
Murata Power Solutions employs a custom-designed enclosed
The IR camera can watch thermal characteristics of the Unit
Both through-hole and surface mount converters are soldered
The airfl ow collimator mixes the heat from the heating ele-
07 Apr 2011
UEI25 Series
MDC_UEI25W.A03 Page 23 of 23
email: [e-mail]
© 2011 Murata Power Solutions, Inc.