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NMH0524DC Equivalent & Substitute Parts Reference
Part Overview
The Murata Power Solutions Inc. NMH0524DC is an isolated module DC-DC converter with dual outputs (+24V and -24V, 42mA each), 2W power rating, and a 4.5V – 5.5V input voltage range. This product is classified as obsolete, making it necessary to identify equivalent or substitute models that match its electrical and mechanical parameters for continued designs or field support.
Substiute Parts
Key Parameters
| Parameter | Value (NMH0524DC) |
|---|---|
| Manufacturer | Murata Power Solutions Inc. |
| Type | Isolated Module |
| Number of Outputs | 2 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output 1 | 24V |
| Voltage - Output 2 | -24V |
| Current - Output (Max) | 42mA, 42mA |
| Power (Watts) | 2 W |
| Voltage - Isolation | 1 kV |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Through Hole |
| Package / Case | 14-DIP Module, 6 Leads |
| Size / Dimension | 0.77" L x 0.39" W x 0.30" H (19.6mm x 9.9mm x 7.6mm) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
| Applications | ITE (Commercial) |
| Efficiency | 84% |
| Base Product Number | NMH05 |
Substitute Part Grouping Explanation
Substitution is determined strictly by matching the following key parameters: input voltage range, output voltages and currents, power rating, isolation voltage, operating temperature, mechanical package (14-DIP Module, 6 Leads), mounting type, and application class. All substitute parts included match these fields to ensure functional and mechanical compatibility.
Parameter Comparison
| Parameter | NMH0524DC | RGZ-0524D |
|---|---|---|
| Manufacturer | Murata Power Solutions Inc. | Recom Power |
| Type | Isolated Module | Isolated Module |
| Number of Outputs | 2 | 2 |
| Voltage - Input (Min) | 4.5V | 4.5V |
| Voltage - Input (Max) | 5.5V | 5.5V |
| Voltage - Output 1 | 24V | 24V |
| Voltage - Output 2 | -24V | -24V |
| Current - Output (Max) | 42mA, 42mA | 42mA, 42mA |
| Power (Watts) | 2 W | 2 W |
| Voltage - Isolation | 1 kV | 3 kV |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 14-DIP Module, 6 Leads | 14-DIP Module, 6 Leads |
| Size / Dimension | 0.77" L x 0.39" W x 0.30" H (19.6mm x 9.9mm x 7.6mm) | 0.78" L x 0.39" W x 0.28" H (19.7mm x 10.0mm x 7.1mm) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active |
| Applications | ITE (Commercial) | ITE (Commercial), Medical |
| Efficiency | 84% | 84% |
Engineering Selection Recommendations
The NMH0524DC is obsolete. The RGZ-0524D is listed as an active, RoHS3 compliant substitute matching all essential electrical and mechanical parameters, including voltage, current, isolation rating, and footprint. The substitute part maintains or exceeds compliance, with product certifications and status as required.
Frequently Asked Questions (FAQ)
Q1: Which key parameters must match for a DC-DC converter substitute in this category?
A1: Input voltage range, output voltages and currents, power rating, isolation voltage, operating temperature range, mechanical package (14-DIP Module, 6 Leads), mounting type, and application class.
Q2: Are the substitute and original parts pin- and form-factor compatible?
A2: Both NMH0524DC and RGZ-0524D use the 14-DIP Module, 6 Leads package and through-hole mounting, enabling direct mechanical compatibility.
Q3: Is there a difference in isolation voltage between the main and substitute part?
A3: Yes. The NMH0524DC has a 1 kV isolation rating, while the RGZ-0524D features a 3 kV isolation rating.
Q4: Does the substitute part maintain required compliance and certification?
A4: The RGZ-0524D is RoHS3 compliant and REACH unaffected, with a moisture sensitivity level of 1 (unlimited).
Q5: What are the application classes supported by these parts?
A5: Both are suitable for ITE (Commercial) applications. The RGZ-0524D is also suitable for medical applications.
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