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Equivalent & Substitute Parts for NFM-05-24
Part Overview
Manufacturer Part Number NFM-05-24, produced by MEAN WELL USA Inc., is an AC/DC converter designed to provide a single 24V output at 230mA with a maximum power of 5.5W. This module is primarily used in medical applications and features universal input, adjustable output, and approval from various safety agencies. The product status is listed as Obsolete, making the identification of substitute models necessary for ongoing designs, replacements, and inventory management.
Substiute Parts
Key Parameters
| Parameter | Main Part (NFM-05-24) | Notes |
|---|---|---|
| Voltage - Input | 85 ~ 264 VAC, 120 ~ 370 VDC | Input range must be supported |
| Voltage - Output 1 | 24V | Output voltage must match |
| Current - Output (Max) | 230mA | Output current must meet application needs |
| Power (Watts) | 5.5 W | Power output must be sufficient |
| Number of Outputs | 1 | Single output required |
| Type | Open Frame | Mechanical compatibility consideration |
| Applications | Medical | Relevant for certifications |
| Mounting Type | Through Hole | Assembly method compatibility |
| Dimensions | 58.0mm x 45.0mm x 19.1mm | Physical fit |
| Approval Agency | CB, CE, cURus, EAC, TUV | Relevant compliance |
| RoHS Status | ROHS3 Compliant | Environmental compliance required |
| Product Status | Obsolete | Replacement needed |
Substitute Part Grouping Explanation
Substitution is based on strict matching of the following allowed parameters for AC/DC open frame converters:
- Input voltage range
- Output voltage and current
- Power output
- Number of outputs
- Mechanical type and mounting method
- Application and agency approvals
- Environmental compliance
Only parts that meet or exceed these criteria are grouped as substitutes.
Parameter Comparison
| Parameter | Main Part NFM-05-24 | Substitute MFM-05-24 | Substitute KPSA10-24 |
|---|---|---|---|
| Voltage - Input | 85 ~ 264 VAC, 120 ~ 370 VDC | 80 ~ 264 VAC | 85 ~ 264 VAC |
| Voltage - Output 1 | 24V | 24V | 24V |
| Current - Output (Max) | 230mA | 230mA | - |
| Power (Watts) | 5.5 W | 5.5 W | 10 W |
| Number of Outputs | 1 | 1 | 1 |
| Type | Open Frame | Open Frame | Open Frame |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Dimensions (mm) | 58.0 x 45.0 x 19.1 | 41.9 x 22.4 x 20.3 | 61.0 x 39.4 x 22.9 |
| Applications | Medical | Medical | ITE (Commercial) |
| Approval Agency | CB, CE, cURus, EAC, TUV | CB, CE, cURus, EAC, TUV | CE, CSA, EN, UL |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | RoHS Compliant |
| Product Status | Obsolete | Active | Active |
Engineering Selection Recommendations
NFM-05-24 is obsolete and only available from stock. Substitute parts MFM-05-24 from MEAN WELL USA Inc. and KPSA10-24 from TDK-Lambda Americas Inc. are both listed as active products, providing continued availability. All parts possess RoHS environmental compliance. MFM-05-24 maintains comparable medical application approvals, while KPSA10-24 is specified for ITE (Commercial) use and possesses CE, CSA, EN, and UL certifications.
Frequently Asked Questions (FAQ)
Q: What parameters must match for a valid AC/DC converter substitution?
A: Input voltage range, output voltage, output power, output configuration, mounting type, and required agency approvals must match or be compatible for substitution.
Q: Can the different physical sizes affect compatibility?
A: Only the provided mechanical dimensions and package types may be considered; interface and fit must be validated to ensure compliance with design requirements.
Q: Does the application field (Medical vs. ITE/Commercial) impact substitution?
A: Substitute selection must match or exceed required approval agencies and application certifications relevant to the end-use environment.
Q: Are substitute power ratings higher than the original acceptable?
A: Substitute converters with equal or greater output power are permitted as long as other electrical and mechanical parameters comply.
Q: Is there any difference in mounting methods among the substitutes?
A: All listed parts utilize through hole mounting, as specified in the provided parameters.
Q: Are all substitutes compliant with environmental regulations?
A: All substitutes provided show compliance with applicable RoHS and REACH requirements as indicated in the part descriptions.
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