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NMV0515SAC
Electronics Part Number
NMV0515SAC-WXManufacturer
Murata Power Solutions
NMV0515SAC
Description
DC-DC Converter 15V 1W Single Output Miniature ModuleInventory
964 Pcs New Original In Stock
Isolated DC-DC module | 15V/67mA, 4.5–5.5V input | Compact reliable power conversion | Analog front-ends, isolated data links
Quantity
Minimum 1
Minimum 1
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Basic cost: USD 70.00
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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
NMV05
Product Status
Active
Type
Isolated Module
Number of Outputs
1
Voltage - Input (Min)
4.5V
Voltage - Input (Max)
5.5V
Voltage - Output 1
15V
Voltage - Output 2
-
Voltage - Output 3
-
Current - Output (Max)
67mA
Power (Watts)
1 W
Voltage - Isolation
3 kV
Applications
ITE (Commercial)
Efficiency
78%
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 NMV0515SAC Product Specification (PDF)
HTML Datasheet
NMV0515SAC-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
811-1593-5
Standard Package
25
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Frequently Asked Questions (FAQ)
Can the NMV0515SAC safely power a 15V analog front-end circuit in a noisy industrial environment, an
Yes, the NMV0515SAC can power sensitive 15V analog circuits in industrial settings due to its reinforced 3 kV isolation, but proper PCB layout is critical. Maintain at least 8 mm creepage distance between primary (input) and secondary (output) sides, avoid routing high-speed or high-current traces across the isolation barrier, and use a solid ground plane on the output side only—do not connect input and output grounds. Place decoupling capacitors (100 nF ceramic + 10 µF tantalum) close to the load to suppress high-frequency noise that could bypass isolation through parasitic coupling. Without these mitigations, conducted emissions or ground loops may degrade SNR despite the isolation rating.
What are the key reliability risks when using the NMV0515SAC in an outdoor enclosure exposed to temp
While the NMV0515SAC’s -40°C to +85°C range covers your thermal profile, repeated thermal cycling induces mechanical stress on the through-hole leads and internal bond wires, potentially leading to early fatigue failure—especially if the PCB lacks strain relief or is mounted rigidly. Derate output power by 20% above +70°C ambient to avoid exceeding internal junction limits, as efficiency drops near the upper end of the range. Also ensure adequate airflow; stagnant air in sealed enclosures can create localized hot spots. For long-term reliability, consider conformal coating if humidity is present, and validate lifetime under actual cycle conditions via accelerated testing.
Can I replace a legacy RECOM R-78B15-0.5 with the NMV0515SAC in an existing 5V-to-15V design without
No—the NMV0515SAC is not a drop-in replacement for the RECOM R-78B15-0.5 due to fundamental topology differences. The R-78B15-0.5 is a non-isolated switching regulator with a 3-pin SIP footprint, while the NMV0515SAC is an isolated 7-SIP module requiring separate input/output grounds and offering no feedback pin. Attempting direct substitution will likely result in incorrect grounding, failed isolation, or damage. If isolation isn’t needed, stick with non-isolated alternatives like the R-78B15-0.5. If isolation is required, redesign the layout to accommodate the NMV0515SAC’s pinout and grounding scheme, and verify load regulation under dynamic conditions.
How does the NMV0515SAC’s 78% efficiency impact thermal management in a compact, sealed IoT node dra
At 50 mA output (0.75 W), the NMV0515SAC dissipates approximately 0.21 W as heat (P_loss = P_out × (1/η – 1)). In a sealed IoT enclosure with limited convection, this can raise internal temperatures significantly—especially if other components contribute heat. Use thermal vias under the module (if PCB allows) and ensure the 7-SIP leads act as heat paths to the board. Monitor case temperature; sustained operation above 80°C may accelerate aging. For tighter thermal budgets, consider lower-power alternatives or active cooling. Never rely solely on datasheet efficiency without validating thermal rise in your specific enclosure geometry.
Is the NMV0515SAC suitable for floating sensor applications where the 15V output must remain ungroun
Yes, the NMV0515SAC supports floating outputs due to its galvanic isolation, making it ideal for floating sensor biasing (e.g., strain gauges or pH probes). However, avoid inadvertently grounding the output through probe grounds, cable shields, or downstream circuitry—this defeats isolation and can create ground loops or safety hazards. Use differential signaling on the sensor side and ensure all connected equipment respects the floating nature. Also, limit output capacitance to <100 µF to prevent inrush currents during startup that could stress internal components. Always verify isolation integrity with a hipot test (e.g., 2.5 kV AC for 60 sec) during production to catch assembly defects.
Can the NMV0515SAC safely power a 15V analog front-end circuit in a noisy industrial environment, an
Yes, the NMV0515SAC can power sensitive 15V analog circuits in industrial settings due to its reinforced 3 kV isolation, but proper PCB layout is critical. Maintain at least 8 mm creepage distance between primary (input) and secondary (output) sides, avoid routing high-speed or high-current traces across the isolation barrier, and use a solid ground plane on the output side only—do not connect input and output grounds. Place decoupling capacitors (100 nF ceramic + 10 µF tantalum) close to the load to suppress high-frequency noise that could bypass isolation through parasitic coupling. Without these mitigations, conducted emissions or ground loops may degrade SNR despite the isolation rating.
What are the key reliability risks when using the NMV0515SAC in an outdoor enclosure exposed to temp
While the NMV0515SAC’s -40°C to +85°C range covers your thermal profile, repeated thermal cycling induces mechanical stress on the through-hole leads and internal bond wires, potentially leading to early fatigue failure—especially if the PCB lacks strain relief or is mounted rigidly. Derate output power by 20% above +70°C ambient to avoid exceeding internal junction limits, as efficiency drops near the upper end of the range. Also ensure adequate airflow; stagnant air in sealed enclosures can create localized hot spots. For long-term reliability, consider conformal coating if humidity is present, and validate lifetime under actual cycle conditions via accelerated testing.
Can I replace a legacy RECOM R-78B15-0.5 with the NMV0515SAC in an existing 5V-to-15V design without
No—the NMV0515SAC is not a drop-in replacement for the RECOM R-78B15-0.5 due to fundamental topology differences. The R-78B15-0.5 is a non-isolated switching regulator with a 3-pin SIP footprint, while the NMV0515SAC is an isolated 7-SIP module requiring separate input/output grounds and offering no feedback pin. Attempting direct substitution will likely result in incorrect grounding, failed isolation, or damage. If isolation isn’t needed, stick with non-isolated alternatives like the R-78B15-0.5. If isolation is required, redesign the layout to accommodate the NMV0515SAC’s pinout and grounding scheme, and verify load regulation under dynamic conditions.
How does the NMV0515SAC’s 78% efficiency impact thermal management in a compact, sealed IoT node dra
At 50 mA output (0.75 W), the NMV0515SAC dissipates approximately 0.21 W as heat (P_loss = P_out × (1/η – 1)). In a sealed IoT enclosure with limited convection, this can raise internal temperatures significantly—especially if other components contribute heat. Use thermal vias under the module (if PCB allows) and ensure the 7-SIP leads act as heat paths to the board. Monitor case temperature; sustained operation above 80°C may accelerate aging. For tighter thermal budgets, consider lower-power alternatives or active cooling. Never rely solely on datasheet efficiency without validating thermal rise in your specific enclosure geometry.
Is the NMV0515SAC suitable for floating sensor applications where the 15V output must remain ungroun
Yes, the NMV0515SAC supports floating outputs due to its galvanic isolation, making it ideal for floating sensor biasing (e.g., strain gauges or pH probes). However, avoid inadvertently grounding the output through probe grounds, cable shields, or downstream circuitry—this defeats isolation and can create ground loops or safety hazards. Use differential signaling on the sensor side and ensure all connected equipment respects the floating nature. Also, limit output capacitance to <100 µF to prevent inrush currents during startup that could stress internal components. Always verify isolation integrity with a hipot test (e.g., 2.5 kV AC for 60 sec) during production to catch assembly defects.
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Sep 15 2026
