ULE-5/12-D24P-C Murata Power Solutions Inc, ULE-5/12-D24P-C Datasheet - Page 18

• Manufacturer Part Number: ULE-5/12-D24P-C
• Description: DC/DC Converters & Regulators 60W 24V to 5V 12A POSITVE POLARITY
• Manufacturer: Murata Power Solutions Inc
• Series: ULEr
• Type: Step Downr

Specifications of ULE-5/12-D24P-C

• Output Power: 60 W
• Input Voltage Range: 18 V to 36 V
• Input Voltage (nominal): 24 V
• Number Of Outputs: 1
• Output Voltage (channel 1): 5 V
• Output Current (channel 1): 12 A
• Isolation Voltage: 2.25 KV
• Package / Case Size: Eighth Brick
• Product: Isolated
• Output Current: 12A
• Input Voltage: 24V
• Output Voltage: 5V
• Screening Level: Industrial
• Product Length (mm): 58.4mm
• Product Depth (mm): 22.9mm
• Mounting Style: Through Hole
• Pin Count: 8
• Package / Case: 1/8-Brick
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ULE-5/12-D24P-C

shields using high temperature plastic. The DC/DC is installed and refl owed
with the shield in place. After successful refl ow and cooling, and before wash-
ing, the heat shield should be removed.
Temperature Profi ling
We wish to ramp the temperature up and down to successfully refl ow the
solder without heat damage. Each refl ow oven, humidity conditions, solder
paste type, oven feed rate, and the number of heat zones all require a different
profi le. Therefore you may have to experiment.
there will be no heat problems on your host pcb using traditional solder with
63% lead and 37% tin with a melting point of +183°C. Device lead tempera-
ture must remain below 230°C for less than 75 seconds, assuming that the
heat shield is in place. Murata Power Solutions uses a 216°C melt lead-free
tin/silver/copper alloy to assemble these converters.
your SMT system and whatever local certifi cation and environmental regula-
tions you must observe. Contact Murata Power Solutions if you need specifi c
advice.
Heat Shield
Careful thermocouple testing has shown that the interior of the DC/DC under
the heat shield is tens of degrees cooler than the outside ambient temperature
for typical refl ow profi les. This protects internal components and limits the
amount of refl ow where it is not desired. The heat shield also includes marking
for product identifi cation and a date/lot code.
plastic pins on the heat shield interior which insert into recessed dimples in
the pinframe. An extra molded pin on the heat shield at the pin 1 location (and
corresponding notch on the pcb) can only be installed one way properly on the
pinframe. If the shield accidentally comes loose, it may be reinstalled by align-
ing the pins and dimples.
ing, squeeze the heat shield ears inward toward the converter body and pull the
shield upwards. Discard or recycle the shield. If you are using a fl ux wash cycle,
remove the heat shield before washing to avoid coming loose inside the washer.
For these reasons, Murata Power Solutions developed disposable heat
Since these converters are constructed using high temperature solders,
There are several lead-free solders suitable for your host pcb depending on
On ULE models, the heat shield is attached to the converter using molded
To remove the shield from the converter, after successful mounting and cool-
www.murata-ps.com
(314.96)
12.40
(26.21)
(73.03)
(73.03)
(73.03)
1.032
2.875
2.875
2.875
Figure 13. Shipping Tray
DIMENSIONS ARE IN INCHES (MM)
Isolated, High Density, Eighth-Brick
11 May 2011
1.25–20 Amp, DC/DC Converters
(38.1)
1.50
5.35 (135.89)
(38.1)
1.50
MDC_ULE Series.E01 Page 18 of 26
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ULE Series
DIMPLE
PIN 1