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NMK2409SC Equivalent & Substitute Parts Reference
Part Overview
The Murata Power Solutions Inc. NMK2409SC is an isolated module DC-DC converter with dual outputs of +9V and -9V at 111mA each, capable of delivering 2W of output power. It operates on a 21.6V to 26.4V input voltage range, is housed in a 7-SIP module, and features 3kV isolation. This part is now classified as obsolete, driving the need for equivalent or substitute models with matching electrical and mechanical parameters for continued product support and design maintenance.
Substiute Parts
Key Parameters
| Parameter | NMK2409SC |
|---|---|
| Number of Outputs | 2 |
| Voltage - Input (Min) | 21.6V |
| Voltage - Input (Max) | 26.4V |
| Voltage - Output 1 | 9V |
| Voltage - Output 2 | -9V |
| Current - Output (Max) | 111mA, 111mA |
| Power (Watts) | 2 W |
| Voltage - Isolation | 3 kV |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Through Hole |
| Package / Case | 7-SIP Module, 5 Leads |
| Size / Dimension | 0.77" L x 0.30" W x 0.40" H (19.7mm x 7.7mm x 10.2mm) |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
| Applications | ITE (Commercial) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
The substitute part selection is based on strict adherence to the following parameters: dual outputs (+9V, -9V), identical input voltage range (21.6V to 26.4V), equal maximum output current (111mA), matched power output (2W), type (Isolated Module), identical mounting method and package (Through Hole, 7-SIP Module, 5 Leads), equivalent operating temperature range, and compliance with ROHS3 and REACH. Only parts meeting all such criteria have been considered valid substitutes.
Parameter Comparison
| Parameter | Murata Power Solutions NMK2409SC | Recom Power R24P209D |
|---|---|---|
| Number of Outputs | 2 | 2 |
| Voltage - Input (Min) | 21.6V | 21.6V |
| Voltage - Input (Max) | 26.4V | 26.4V |
| Voltage - Output 1 | 9V | 9V |
| Voltage - Output 2 | -9V | -9V |
| Current - Output (Max) | 111mA, 111mA | 111mA, 111mA |
| Power (Watts) | 2 W | 2 W |
| Voltage - Isolation | 3 kV | 6.4 kV |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 7-SIP Module, 5 Leads | 7-SIP Module, 5 Leads |
| Size / Dimension | 0.77" L x 0.30" W x 0.40" H (19.7mm x 7.7mm x 10.2mm) | 0.77" L x 0.39" W x 0.49" H (19.7mm x 9.8mm x 12.5mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Applications | ITE (Commercial) | ITE (Commercial), Medical |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
Selection between Murata Power Solutions NMK2409SC and Recom Power R24P209D should be based on product availability and status. NMK2409SC is listed as obsolete, while R24P209D is active and available in stock. Both models are ROHS3 compliant and REACH unaffected, meeting equivalent regulatory and certification requirements.
Frequently Asked Questions (FAQ)
Q1: What are the main substitution criteria for NMK2409SC?
A1: Substitute parts must have matching output configuration (+9V, -9V), identical input voltage range (21.6V–26.4V), maximum output current (111mA per output), 2W power rating, same mounting type (Through Hole), and package (7-SIP Module, 5 Leads).
Q2: Are the NMK2409SC and R24P209D mechanically compatible?
A2: Both parts use a 7-SIP Module with 5 leads and are designed for through hole mounting. The dimensions differ slightly, which should be considered in mechanical layouts.
Q3: Can the R24P209D be used in place of NMK2409SC in all applications?
A3: Based on the provided electrical and mechanical parameters, the R24P209D aligns with the NMK2409SC requirements and is suitable for use in applications requiring the defined characteristics.
Q4: What regulatory and environmental compliances are fulfilled by both parts?
A4: Both NMK2409SC and R24P209D are ROHS3 compliant and REACH unaffected.
Q5: How does product status affect part selection?
A5: The NMK2409SC is obsolete, so ongoing production and new designs should use the R24P209D, which is currently active and in stock.
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