Datasheet
Soldering Guidelines
Murata Power Solutions recommends the specifi cations below when install-
ing these converters. These specifi cations vary depending on the solder
type. Exceeding these specifi cations may cause damage to the product. Your
production environment may differ; therefore please thoroughly review these
guidelines with your process engineers.
Wave Solder Operations for through-hole mounted products (THMT)
For Sn/Ag/Cu based solders:
Maximum Preheat Temperature 115° C.
Maximum Pot Temperature 270° C.
Maximum Solder Dwell Time 7 seconds
For Sn/Pb based solders:
Maximum Preheat Temperature 105° C.
Maximum Pot Temperature 250° C.
Maximum Solder Dwell Time 6 seconds
Model Number Product Code
OKX-T/3-D12N-C X00103
OKX-T/3-D12P-C X01103
Output Voltage Adustment
The output voltage may be adjusted over a limited range by connecting an
external trim resistor (Rtrim) between the Trim pin and Ground. The Rtrim resistor
is recommended to have a ±0.5% accuracy (or better) with low temperature
coeffi cient, ±100 ppm/°C or better. Mount the resistor close to the converter with
very short leads or use a surface mount trim resistor.
In the tables below, the calculated resistance is given. Do not exceed the
specifi ed limits of the output voltage or the converter’s maximum power rating
when applying these resistors. Also, avoid high noise at the Trim input. However,
to prevent instability, you should never connect any capacitors to Trim.
OKX-T/3-D12
Output Voltage Calculated Rtrim (KΩ)
5.0 V. 1.472
3.3 V. 3.122
2.5 V. 5.009
2.0 V. 7.416
1.8 V. 9.024
1.5 V. 13.05
1.2 V. 22.46
1.0 V. 41.424
0.7525 V. ∞ (open)
Resistor Trim Equation:
RTRIM (:) =
_____________
–1000
VOUT – 0.7525V
10500
OKX-T/3-D12 Series
Adjustable 3-Amp SIP Non-Isolated DC/DC Converters
MDC_OKX-T/3-D12 Series.A01 Page 15 of 15
www.murata-ps.com/support
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. © 2012 Murata Power Solutions, Inc.
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfi 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/
Product Label
Because of the small size of these products, the product label contains a
character-reduced code to indicate the model number and manufacturing
date code. Not all items on the label are always used. Please note that the label
differs from the product photograph on page 1. Here is the layout of the label:
The label contains three rows of information:
First row – Murata Power Solutions logo
Second row – Model number product code (see table)
Third row – Manufacturing date code and revision level
The manufacturing date code is four characters:
First character – Last digit of manufacturing year, example 2009
Second character – Month code (1 through 9 and O through D)
Third character – Day code (1 through 9 = 1 to 9, 10 = O and
11 through 31 = A through Z)
Fourth character – Manufacturing information
Figure 4. Label Artwork Layout
X00016 Product code
Mfg.
date
code
Revision levelYMDX Rev.