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NMV1205SAC
Electronics Part Number
NMV1205SAC-WXManufacturer
Murata Power Solutions
NMV1205SAC
Description
5V 1W DC-DC Converter Miniature Power Supply ModuleInventory
551 Pcs New Original In Stock
Isolated module converter | 5V/200mA, 10.8–13.2V input | Regulated isolated output | Digital logic, microcontrollers
Quantity
Minimum 1
Minimum 1
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Freight
Basic cost: USD 70.00
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Shipping method
Shipped from Hong Kong via FedEx/DHL/UPS/TNT
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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
Tube
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
7-SIP Module, 4 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
5V
Voltage - Output 2
-
Voltage - Output 3
-
Current - Output (Max)
200mA
Power (Watts)
1 W
Voltage - Isolation
3 kV
Applications
ITE (Commercial)
Efficiency
69%
Size / Dimension
0.77" L x 0.24" W x 0.39" H (19.5mm x 6.0mm x 10.0mm)
Control Features
-
Data Sheet Document (D)
Datasheets
Download NMV1205SAC Product Specification (PDF)
HTML Datasheet
NMV1205SAC-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
Other Names
811-1596-5
Standard Package
25
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Frequently Asked Questions (FAQ)
Can the NMV1205SAC be used in a 12V automotive application where input voltage may briefly spike to
The NMV1205SAC has a maximum input voltage rating of 13.2V, making it unsuitable for direct use in automotive environments where load dump transients can exceed 14V. Even brief overvoltage events risk permanent damage to the internal circuitry. To safely use the NMV1205SAC in such applications, you must implement upstream protection—such as a TVS diode (e.g., SMAJ13A) and an LC filter—to clamp the input below 13.2V. Alternatively, consider a wider-input-range isolated converter like the RECOM R-78E5.0-0.5 (4.75–28V input) for robust automotive integration.
Is it safe to parallel two NMV1205SAC modules to increase output current beyond 200mA in a space-con
No, paralleling NMV1205SAC modules is not recommended due to lack of current-sharing features and potential imbalance from manufacturing tolerances. Even small differences in output voltage can cause one module to carry most of the load, leading to thermal runaway and premature failure. Instead, select a single higher-current isolated converter such as the Murata NXE1S0505MC (5V/200mA → 5V/300mA) or a non-isolated buck regulator if isolation isn’t critical. If isolation is required and higher power is needed, redesign with a module rated for the total load from the start.
Can the NMV1205SAC replace a legacy CUI PDQ1-S12-S5-S in a medical device requiring 3 kV isolation a
While both the NMV1205SAC and CUI PDQ1-S12-S5-S provide 5V/200mA output and 3 kV isolation, direct replacement requires verification of pin compatibility, thermal performance, and regulatory certifications. The NMV1205SAC uses a 7-SIP package with different lead spacing than the PDQ1’s DIP-style footprint, so PCB layout changes may be needed. Additionally, confirm that the NMV1205SAC meets your medical application’s leakage current and safety standards (e.g., IEC 60601), as commercial ITE-rated parts may lack necessary medical certifications. Always validate EMI and isolation integrity in your final system.
What are the thermal risks of operating the NMV1205SAC at full 1W load in an enclosed industrial con
Operating the NMV1205SAC at full load in a 70°C ambient environment pushes it near its operational limit, as its maximum case temperature is typically ~100°C and efficiency is only 69%. This results in ~0.45W of internal dissipation, which—without adequate airflow or heatsinking—can cause junction temperatures to exceed safe margins, reducing lifespan and reliability. Mitigate this by derating the output current (e.g., limit to ~150mA), adding venting or forced airflow, or selecting a higher-efficiency alternative like the TRACO TEN1-0512 (80% efficiency). Always measure actual case temperature under worst-case conditions during prototyping.
How does the NMV1205SAC compare to the RECOM R-62050 in terms of long-term reliability for remote Io
The NMV1205SAC and RECOM R-62050 both offer 5V/200mA isolated outputs from 12V inputs, but the R-62050 has superior efficiency (~85% vs. 69%) and lower no-load quiescent current (<10mA vs. ~20–30mA typical for NMV series), making it better suited for battery-powered IoT nodes where energy conservation is critical. Additionally, RECOM provides detailed MTBF data and wider temperature characterization, supporting more reliable lifetime predictions. For remote deployments where maintenance is costly, the R-62050’s lower heat generation and higher efficiency reduce thermal stress and extend operational life—making it a lower-risk choice despite the NMV1205SAC’s compact size and lower upfront cost.
Can the NMV1205SAC be used in a 12V automotive application where input voltage may briefly spike to
The NMV1205SAC has a maximum input voltage rating of 13.2V, making it unsuitable for direct use in automotive environments where load dump transients can exceed 14V. Even brief overvoltage events risk permanent damage to the internal circuitry. To safely use the NMV1205SAC in such applications, you must implement upstream protection—such as a TVS diode (e.g., SMAJ13A) and an LC filter—to clamp the input below 13.2V. Alternatively, consider a wider-input-range isolated converter like the RECOM R-78E5.0-0.5 (4.75–28V input) for robust automotive integration.
Is it safe to parallel two NMV1205SAC modules to increase output current beyond 200mA in a space-con
No, paralleling NMV1205SAC modules is not recommended due to lack of current-sharing features and potential imbalance from manufacturing tolerances. Even small differences in output voltage can cause one module to carry most of the load, leading to thermal runaway and premature failure. Instead, select a single higher-current isolated converter such as the Murata NXE1S0505MC (5V/200mA → 5V/300mA) or a non-isolated buck regulator if isolation isn’t critical. If isolation is required and higher power is needed, redesign with a module rated for the total load from the start.
Can the NMV1205SAC replace a legacy CUI PDQ1-S12-S5-S in a medical device requiring 3 kV isolation a
While both the NMV1205SAC and CUI PDQ1-S12-S5-S provide 5V/200mA output and 3 kV isolation, direct replacement requires verification of pin compatibility, thermal performance, and regulatory certifications. The NMV1205SAC uses a 7-SIP package with different lead spacing than the PDQ1’s DIP-style footprint, so PCB layout changes may be needed. Additionally, confirm that the NMV1205SAC meets your medical application’s leakage current and safety standards (e.g., IEC 60601), as commercial ITE-rated parts may lack necessary medical certifications. Always validate EMI and isolation integrity in your final system.
What are the thermal risks of operating the NMV1205SAC at full 1W load in an enclosed industrial con
Operating the NMV1205SAC at full load in a 70°C ambient environment pushes it near its operational limit, as its maximum case temperature is typically ~100°C and efficiency is only 69%. This results in ~0.45W of internal dissipation, which—without adequate airflow or heatsinking—can cause junction temperatures to exceed safe margins, reducing lifespan and reliability. Mitigate this by derating the output current (e.g., limit to ~150mA), adding venting or forced airflow, or selecting a higher-efficiency alternative like the TRACO TEN1-0512 (80% efficiency). Always measure actual case temperature under worst-case conditions during prototyping.
How does the NMV1205SAC compare to the RECOM R-62050 in terms of long-term reliability for remote Io
The NMV1205SAC and RECOM R-62050 both offer 5V/200mA isolated outputs from 12V inputs, but the R-62050 has superior efficiency (~85% vs. 69%) and lower no-load quiescent current (<10mA vs. ~20–30mA typical for NMV series), making it better suited for battery-powered IoT nodes where energy conservation is critical. Additionally, RECOM provides detailed MTBF data and wider temperature characterization, supporting more reliable lifetime predictions. For remote deployments where maintenance is costly, the R-62050’s lower heat generation and higher efficiency reduce thermal stress and extend operational life—making it a lower-risk choice despite the NMV1205SAC’s compact size and lower upfront cost.
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Sep 15 2026
