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NMV1209DAC
Electronics Part Number
NMV1209DAC-WXManufacturer
Murata Power Solutions
NMV1209DAC
Description
DC-DC Converter, 9V Output, 1WInventory
184 Pcs New Original In Stock
-
Quantity
Minimum 1
Minimum 1
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Freight
Basic cost: USD 70.00
Actual cost may vary depending on weight and destination
Shipping method
Shipped from Hong Kong via FedEx/DHL/UPS/TNT
Delivery Time
In-stock items: Ready to ship in 1-2 days
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Technical Specifications
Category
DC DC Converters
Manufacturer
Murata Power Solutions
Packaging
-
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
14-DIP Module, 6 Leads
Series
NMV (1W)
Features
-
Base Product Number
NMV12
Product Status
Active
Type
Isolated Module
Number of Outputs
1
Voltage - Input (Min)
10.8V
Voltage - Input (Max)
13.2V
Voltage - Output 1
9V
Voltage - Output 2
-
Voltage - Output 3
-
Current - Output (Max)
111mA
Power (Watts)
1 W
Voltage - Isolation
3 kV
Applications
ITE (Commercial)
Efficiency
74%
Size / Dimension
0.77" L x 0.39" W x 0.27" H (19.6mm x 9.9mm x 6.9mm)
Control Features
-
Data Sheet Document (D)
Datasheets
Download NMV1209DAC Product Specification (PDF)
HTML Datasheet
NMV1209DAC-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8504.40.9580
Additional Information
Standard Package
25
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Frequently Asked Questions (FAQ)
Can the NMV1209DAC be used in parallel to increase output current in high-reliability industrial app
No, the NMV1209DAC is not designed for parallel operation. Attempting to parallel multiple units can lead to current imbalance, instability, and potential damage due to slight differences in startup timing and output regulation. For higher output current, consider using a single higher-power isolated converter such as the Murata NMF1214SCA (2W) or re-evaluating the system architecture with a non-isolated point-of-load regulator downstream of the NMV1209DAC to scale current safely while maintaining isolation integrity.
What are the key design-in risks when replacing the NMV1209DAC with the comparable Traco Power TML1-
When replacing the NMV1209DAC with the Traco TML1-W1209DC/FT, key risks include differences in footprint (TML1 uses a similar but not identical 14-DIP), thermal performance under full load, and slight variations in input voltage startup thresholds. The NMV1209DAC has a tighter input range (10.8–13.2V) compared to the TML1's wider 9–18V range—this can expose design flaws if upstream supply dips below 10.8V were previously masked. Always verify turn-on behavior under brownout conditions and confirm creepage/clearance is maintained for 3 kV isolation in your PCB layout.
How does the 74% efficiency of the NMV1209DAC impact thermal performance in enclosed spaces at 85°C
With only 74% efficiency, the NMV1209DAC dissipates approximately 260 mW internally at full 1W load. In enclosed or poorly ventilated systems operating at 85°C ambient, this self-heating can push internal component temperatures close to or beyond safety margins, risking premature failure. To mitigate thermal stress, limit continuous loading to 70–80% of max rating (≤800 mW), ensure adequate PCB copper for heatsinking via the through-hole pins, and avoid placing near other heat-generating components to preserve reliability over the product lifetime.
Is the NMV1209DAC suitable for signal isolation and level-shifting in precision analog sensor interf
While the NMV1209DAC provides 3 kV isolation, it is a power conversion module with unregulated output and potential for switching noise, making it unsuitable for direct use in precision analog signal paths. However, it can power isolated signal chains—like using a separate low-noise LDO (e.g., Torex XC6206P092MR-G) post-regulating the 9V output—enabling clean rail generation for analog front-ends. Use proper filtering (π-filter with ferrite bead) and ground separation to prevent noise coupling into sensitive circuits when integrating the NMV1209DAC in mixed-signal designs.
What layout and creepage best practices should be followed to maintain 3 kV isolation with the NMV12
To maintain rated 3 kV isolation in high-humidity or polluted environments with the NMV1209DAC, ensure creepage distances exceed 8 mm between input and output circuits (IPC-2221B guidelines for 3 kV), use slotting under the 6-lead DIP module to increase path length, and apply conformal coating to prevent moisture tracking. Avoid routing high-voltage traces under the module body, and separate input/output grounds with a moat that aligns with the internal isolation barrier. These steps preserve long-term reliability in demanding commercial ITE applications.
Can the NMV1209DAC be used in parallel to increase output current in high-reliability industrial app
No, the NMV1209DAC is not designed for parallel operation. Attempting to parallel multiple units can lead to current imbalance, instability, and potential damage due to slight differences in startup timing and output regulation. For higher output current, consider using a single higher-power isolated converter such as the Murata NMF1214SCA (2W) or re-evaluating the system architecture with a non-isolated point-of-load regulator downstream of the NMV1209DAC to scale current safely while maintaining isolation integrity.
What are the key design-in risks when replacing the NMV1209DAC with the comparable Traco Power TML1-
When replacing the NMV1209DAC with the Traco TML1-W1209DC/FT, key risks include differences in footprint (TML1 uses a similar but not identical 14-DIP), thermal performance under full load, and slight variations in input voltage startup thresholds. The NMV1209DAC has a tighter input range (10.8–13.2V) compared to the TML1's wider 9–18V range—this can expose design flaws if upstream supply dips below 10.8V were previously masked. Always verify turn-on behavior under brownout conditions and confirm creepage/clearance is maintained for 3 kV isolation in your PCB layout.
How does the 74% efficiency of the NMV1209DAC impact thermal performance in enclosed spaces at 85°C
With only 74% efficiency, the NMV1209DAC dissipates approximately 260 mW internally at full 1W load. In enclosed or poorly ventilated systems operating at 85°C ambient, this self-heating can push internal component temperatures close to or beyond safety margins, risking premature failure. To mitigate thermal stress, limit continuous loading to 70–80% of max rating (≤800 mW), ensure adequate PCB copper for heatsinking via the through-hole pins, and avoid placing near other heat-generating components to preserve reliability over the product lifetime.
Is the NMV1209DAC suitable for signal isolation and level-shifting in precision analog sensor interf
While the NMV1209DAC provides 3 kV isolation, it is a power conversion module with unregulated output and potential for switching noise, making it unsuitable for direct use in precision analog signal paths. However, it can power isolated signal chains—like using a separate low-noise LDO (e.g., Torex XC6206P092MR-G) post-regulating the 9V output—enabling clean rail generation for analog front-ends. Use proper filtering (π-filter with ferrite bead) and ground separation to prevent noise coupling into sensitive circuits when integrating the NMV1209DAC in mixed-signal designs.
What layout and creepage best practices should be followed to maintain 3 kV isolation with the NMV12
To maintain rated 3 kV isolation in high-humidity or polluted environments with the NMV1209DAC, ensure creepage distances exceed 8 mm between input and output circuits (IPC-2221B guidelines for 3 kV), use slotting under the 6-lead DIP module to increase path length, and apply conformal coating to prevent moisture tracking. Avoid routing high-voltage traces under the module body, and separate input/output grounds with a moat that aligns with the internal isolation barrier. These steps preserve long-term reliability in demanding commercial ITE applications.
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Sep 15 2026
