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Equivalent & Substitute Parts Engineering Reference: VOF-15-24
Part Overview
The CUI Inc. VOF-15-24 is an open frame AC/DC converter designed for ITE (Commercial) applications. It features a single 24V output at up to 630mA and delivers 15W of power from a universal 85–264VAC input. With an official product status of Obsolete, users must select equivalent substitute models to maintain form, fit, and functional compatibility in new builds or service scenarios.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Series | Product Status | Type | Number of Outputs | Voltage - Input | Voltage - Output 1 | Current - Output (Max) | Power (Watts) | Applications | Features | Operating Temperature | Efficiency | Mounting Type | Package / Case | Size / Dimension | Approval Agency | Standard Number | Line Regulation | Load Regulation | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VOF-15-24 | VOF-15 | Obsolete | Open Frame | 1 | 85 ~ 264 VAC | 24V | 630mA | 15W | ITE (Commercial) | Universal Input | 0°C ~ 60°C (With Derating) | 82% | Through Hole | 4-DIP Module | 2.76" x 1.91" x 0.91" | CB Scheme, EN, IEC, SIQ, TUV, UL | 55024, 60950-1, 61000-3-2, 61000-3-3 | ±0.5% | ±1% | RoHS Compliant |
Substitute Part Grouping Explanation
Substitute parts are selected by matching all required electrical and mechanical specifications. The CUI Inc. VOF-15B-S24 is grouped as a substitute strictly because it matches the following key parameters: single 24V output, 15W power rating, open frame type, through hole mounting, comparable input voltage range, and similar approval/certification standards. Selection is further validated by RoHS compliance and identical application type.
Key parameters for substitution:
- Output Voltage
- Output Power
- Output Current
- Number of Outputs
- Input Voltage Range
- Package / Case
- Mounting Type
- Application Type
- Certification and Compliance
- Product Status
- Operating Temperature (with derating)
- Series/Family Context
Parameter Comparison
| Manufacturer Part Number | Series | Product Status | Type | Number of Outputs | Voltage - Input | Voltage - Output 1 | Current - Output (Max) | Power (Watts) | Applications | Features | Operating Temperature | Efficiency | Mounting Type | Package / Case | Size / Dimension | Approval Agency | Standard Number | Line Regulation | Load Regulation | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VOF-15-24 | VOF-15 | Obsolete | Open Frame | 1 | 85 ~ 264 VAC | 24V | 630mA | 15W | ITE (Commercial) | Universal Input | 0°C ~ 60°C (With Derating) | 82% | Through Hole | 4-DIP Module | 2.76" x 1.91" x 0.91" | CB Scheme, EN, IEC, SIQ, TUV, UL | 55024, 60950-1, 61000-3-2, 61000-3-3 | ±0.5% | ±1% | RoHS Compliant |
| VOF-15B-S24 | VOF-15B | Active | Open Frame | 1 | 85 ~ 264 VAC | 24V | 625mA | 15W | ITE (Commercial) | Universal Input | -25°C ~ 70°C (With Derating) | 84.5% | Through Hole | 4-DIP Module | 2.33" x 1.67" x 0.90" | CB Scheme, EN, FCC, IEC, UL | 60950-1, 61000-3-2, 61000-3-3, 62368-1 | ±0.5% | ±1% | ROHS3 Compliant |
Engineering Selection Recommendations
Selection of VOF-15B-S24 as a substitute for VOF-15-24 is based on sustained product availability, matching RoHS compliance status, and adherence to recognized international approval standards. Both models satisfy the same regulatory requirements and application type. The substitute maintains equivalent output voltage and power specifications. The change in operating temperature and efficiency is defined in the provided parameters and does not contradict substitution criteria within this context.
Frequently Asked Questions (FAQ)
Q: What are the mandatory criteria for substituting VOF-15-24 with VOF-15B-S24?
A: Substitution is based strictly on output voltage (24V), output power (15W), single output, input voltage range (85–264VAC), mounting type (through hole), package/case (4-DIP Module), regulatory approvals, and RoHS compliance.
Q: How close are the mechanical dimensions between VOF-15-24 and VOF-15B-S24?
A: VOF-15-24 measures 2.76" x 1.91" x 0.91", while VOF-15B-S24 measures 2.33" x 1.67" x 0.90". Both are through hole 4-DIP Modules, ensuring mechanical compatibility within the stated parameters.
Q: Does the difference in operating temperature affect substitution?
A: Both products list operating temperature with derating, supporting compatibility under specified use conditions.
Q: Are both models compliant with the same international safety and EMC standards?
A: Both models list CB Scheme, EN, IEC, and UL approvals, and standards 60950-1, 61000-3-2, and 61000-3-3, meeting required compliance for substitution.
Q: Is RoHS compliance verified for both VOF-15-24 and VOF-15B-S24?
A: Yes. VOF-15-24 is RoHS Compliant and VOF-15B-S24 is ROHS3 Compliant as provided in the input.
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