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Equivalent & Substitute Parts for VOFM-5-12
Part Overview
Manufacturer Part Number VOFM-5-12 from CUI Inc. is an open frame AC/DC converter offering a single 12V output at up to 420mA (5W). Approved for medical applications, it has certifications per IEC 60601-1 and 60950-1, supports universal AC input from 85 to 264 VAC, and features through-hole mounting in a 4-DIP module package. This model is classified as obsolete, making it necessary to identify substitute models for ongoing or new applications.
Substiute Parts
Key Parameters
| Parameter | VOFM-5-12 |
|---|---|
| Voltage - Input | 85 ~ 264 VAC |
| Voltage - Output 1 | 12V |
| Current - Output (Max) | 420mA |
| Power (Watts) | 5 W |
| Series | VOFM-5 (5W) |
| Type | Open Frame |
| Applications | Medical |
| Features | Universal Input |
| Mounting Type | Through Hole |
| Package / Case | 4-DIP Module |
| Approval Agency | CB Scheme, IEC, UL |
| Standard Number | 60601-1; 60950-1 |
| RoHS Status | RoHS Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution candidates for VOFM-5-12 are selected strictly based on matching the following key electrical and mechanical parameters: input voltage range, output voltage, output configuration (single output), AC/DC converter type (open frame), mounting type (through hole), package/case (4-DIP module), medical application suitability, universal input feature, RoHS compliance, and certification per relevant medical and safety standards. Substitute parts listed share these parameters and fulfill regulatory requirements.
Parameter Comparison
| Parameter | VOFM-5-12 | VMS-20-12 | EML30US12-P |
|---|---|---|---|
| Manufacturer | CUI Inc. | CUI Inc. | XP Power |
| Series | VOFM-5 (5W) | VMS-20 (21.6W) | EML30 (30W) |
| Voltage - Input | 85 ~ 264 VAC | 90 ~ 264 VAC | 85 ~ 264 VAC |
| Voltage - Output 1 | 12V | 12V | 12V |
| Number of Outputs | 1 | 1 | 1 |
| Current - Output (Max) | 420mA | 1.7A | 2.5A |
| Power (Watts) | 5 W | 20 W | 30 W |
| Type | Open Frame | Open Frame | Open Frame |
| Applications | Medical | Medical | Medical |
| Features | Universal Input | Universal Input | Universal Input |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | 4-DIP Module | 4-DIP Module | 4-DIP Module |
| Approval Agency | CB Scheme, IEC, UL | CB Scheme, EN, IEC, SIQ, TUV, UL | CB, TUV, UL |
| Standard Number | 60601-1; 60950-1 | – | 60601-1 |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active | Active |
Engineering Selection Recommendations
Selection of substitute AC/DC converters should be based on matching product status, medical application compliance, universal input compatibility, package, mounting type, and certification according to the provided approval standards. Only parts that are designated "Active" and meet recognized certification and RoHS compliance should be selected as substitutes for an obsolete VOFM-5-12 model.
Frequently Asked Questions (FAQ)
Q1: What key parameters must match for an AC/DC converter to be a substitute for VOFM-5-12?
A1: Voltage input range, output voltage, output configuration, package/case, mounting type, application suitability, compliance with medical and safety standards, and RoHS status must align.
Q2: Are the substitute parts compatible with through-hole PCB mounting?
A2: All listed substitutes feature through-hole mounting in a 4-DIP module case.
Q3: Is medical certification present on all substitute parts?
A3: All substitutes are listed for medical applications and possess relevant agency approvals or standard numbers as specified.
Q4: Do substitute models support universal AC input?
A4: Yes, each listed substitute supports universal AC input within the allowed parameter range.
Q5: Is RoHS compliance required for substitution?
A5: All substitute parts provided have confirmed RoHS compliance per input parameters.
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