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VOF-10-9 Equivalent & Substitute Parts Reference
Part Overview
The CUI Inc. VOF-10-9 is an open frame AC/DC converter with 9V output at 1.11A, offering 10W total power. The VOF-10-9 accepts an input voltage of 85–264 VAC and is packaged in a 4-DIP Module. It is RoHS compliant and intended for ITE (Commercial) applications, approved to multiple agency standards. The product status is listed as Obsolete, which necessitates finding suitable alternative models that match its key electrical and mechanical parameters.
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 | Moisture Sensitivity Level (MSL) | ECCN | HTSUS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VOF-10-9 | VOF-10 (10W) | Obsolete | Open Frame | 1 | 85 ~ 264 VAC | 9V | 1.11A | 10 W | ITE (Commercial) | Universal Input | 0°C ~ 60°C (With Derating) | 75% | Through Hole | 4-DIP Module | 2.56" L x 1.77" W x 0.91" H (65.0mm x 45.0mm x 23.1mm) | CB Scheme, EN, IEC, SIQ, TUV, UL | 55024; 60950-1; 61000-3-2; 61000-3-3 | ±0.5% | ±1% | RoHS Compliant | 1 (Unlimited) | EAR99 | 8504.40.7001 |
Substitute Part Grouping Explanation
Substitution logic is strictly based on matching the primary electrical and mechanical parameters:
- Output voltage (9V)
- Output current capacity
- Power rating
- Input voltage range (85–264 VAC)
- Mounting type (Through Hole)
- Package/case (4-DIP Module)
- RoHS compliance and moisture sensitivity
- Agency approvals and standard numbers (when provided)
- Application type (ITE or Medical)
- Features (Universal Input)
- Size/dimensions (for mechanical compatibility)
These parameters are used to group substitutes to ensure functional and regulatory equivalence.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | 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 | Moisture Sensitivity Level (MSL) | ECCN | HTSUS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VOF-10-9 | CUI Inc. | VOF-10 (10W) | Obsolete | Open Frame | 1 | 85 ~ 264 VAC | 9V | 1.11A | 10 W | ITE (Commercial) | Universal Input | 0°C ~ 60°C (With Derating) | 75% | Through Hole | 4-DIP Module | 2.56" L x 1.77" W x 0.91" H | CB Scheme, EN, IEC, SIQ, TUV, UL | 55024; 60950-1; 61000-3-2; 61000-3-3 | ±0.5% | ±1% | RoHS Compliant | 1 (Unlimited) | EAR99 | 8504.40.7001 |
| VOF-10B-S9 | CUI Inc. | VOF-10B (10W) | Active | Open Frame | 1 | 85 ~ 264 VAC | 9V | 1.1A | 10 W | ITE (Commercial) | Universal Input | -25°C ~ 70°C (With Derating) | 82.14% | Through Hole | 4-DIP Module | 1.91" L x 0.92" W x 0.81" H | CB Scheme, EN, FCC, IEC, UL | 60950-1; 61000-3-2; 61000-3-3; 62368-1 | ±0.5% | ±3% | RoHS Compliant | 1 (Unlimited) | EAR99 | 8504.40.6001 |
| EML15US09-P | XP Power | EML15 (15W) | Active | Open Frame | 1 | 85 ~ 264 VAC | 9V | 1.67A | 15 W | Medical | Universal Input | -20°C ~ 70°C (With Derating) | 80% | Through Hole | 4-DIP Module | 2.44" L x 1.21" W x 0.96" H | CE, cULus, TUV | 60601-1 | ±0.5% | ±1% | ROHS3 Compliant | 1 (Unlimited) | EAR99 | 8504.40.6001 |
Engineering Selection Recommendations
The main part, VOF-10-9, is obsolete. Both VOF-10B-S9 and EML15US09-P are active products. Each substitute meets RoHS requirements and has relevant agency approvals. VOF-10B-S9 matches the ITE application and 10W power envelope, as well as the 9V output. EML15US09-P provides 9V output with higher current and power, and agency approvals specific to medical use.
Frequently Asked Questions (FAQ)
Q: What are the primary parameters for selecting a substitute for VOF-10-9?
A: Output voltage, maximum output current, power rating, input voltage range, mounting type, package/case, regulatory compliance (including RoHS and agency approvals), and application type.
Q: Are all substitutes available in the same mounting and package type as VOF-10-9?
A: All listed substitutes use the Through Hole mounting and 4-DIP Module package.
Q: Do substitutes support the same input voltage range?
A: Each substitute supports an input voltage range of 85 ~ 264 VAC.
Q: How do differences in agency approvals affect selection?
A: Selection must take into account the specific application and required approvals. VOF-10B-S9 covers ITE applications while EML15US09-P is suited for medical use.
Q: Is mechanical compatibility assured between models?
A: Substitute parts present different size/dimension profiles within the 4-DIP Module format; review the provided dimensions to confirm mechanical fit.
Q: Are all substitutes RoHS compliant?
A: All parts listed are RoHS compliant according to the provided part data.
Q: What distinguishes the VOF-10B-S9 as a manufacturer recommended substitute?
A: VOF-10B-S9 is directly referenced as a recommended substitute, matching the electrical and application parameters of VOF-10-9.
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