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PBO-5-S9-B Equivalent & Substitute Parts Reference
Part Overview
The CUI Inc. PBO-5-S9-B is an open frame AC/DC converter in the PBO-5 (5W) series, designed for ITE (commercial) applications. It offers a single 9V output at up to 560mA from a universal input voltage range of 85–264 VAC or 100–400 VDC and is RoHS compliant. This model is classified as Obsolete, making it necessary to identify suitable substitute parts for continued product support and maintenance.
Substiute Parts
Key Parameters
| Parameter | PBO-5-S9-B |
|---|---|
| Manufacturer | CUI Inc. |
| Series | PBO-5 (5W) |
| Type | Open Frame |
| Number of Outputs | 1 |
| Voltage - Input | 85 ~ 264 VAC, 100 ~ 400 VDC |
| Voltage - Output 1 | 9V |
| Current - Output (Max) | 560mA |
| Power (Watts) | 5 W |
| Applications | ITE (Commercial) |
| Operating Temperature | -25°C ~ 85°C (With Derating) |
| Efficiency | 75% |
| Mounting Type | Through Hole, Right Angle |
| Package / Case | 14-SIP Module, 6 Leads |
| Size / Dimension | 1.57" L x 0.79" W x 0.50" H (40.0mm x 20.0mm x 12.8mm) |
| Approval Agency | CB Scheme, EN, IEC, UL |
| Standard Number | 55024; 55032 Class A; 60950-1; 62368-1 |
| Line Regulation | ±0.5% |
| Load Regulation | ±1.5% |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | Not Applicable |
Substitute Part Grouping Explanation
Substitute parts have been grouped strictly based on equivalent or better values for the following mandatory characteristics: voltage output (9V), maximum output current (560mA), total output power (5W), number of outputs (1), and RoHS compliance. All substitutes originate from the same manufacturer and provide equivalent input voltage ranges, form factor, and similar approval agency certifications, within the provided data. Only parts with matching or better specifications and compliance data have been included.
Parameter Comparison
| Parameter | PBO-5-S9-B | PBO-5C-9 |
|---|---|---|
| Manufacturer | CUI Inc. | CUI Inc. |
| Series | PBO-5 (5W) | PBO-5C |
| Type | Open Frame | Open Frame |
| Number of Outputs | 1 | 1 |
| Voltage - Input | 85 ~ 264 VAC, 100 ~ 400 VDC | 85 ~ 305 VAC, 70 ~ 430 VDC |
| Voltage - Output 1 | 9V | 9V |
| Current - Output (Max) | 560mA | 560mA |
| Power (Watts) | 5 W | 5 W |
| Applications | ITE (Commercial) | Household Appliances, ITE (Commercial) |
| Operating Temperature | -25°C ~ 85°C (With Derating) | -40°C ~ 85°C (With Derating) |
| Efficiency | 75% | 77% |
| Mounting Type | Through Hole, Right Angle | Through Hole |
| Package / Case | 14-SIP Module, 6 Leads | 6-SIP Module |
| Size / Dimension | 1.57" L x 0.79" W x 0.50" H (40.0mm x 20.0mm x 12.8mm) | 1.04" L x 0.43" W x 0.58" H (26.4mm x 11.0mm x 14.7mm) |
| Approval Agency | CB Scheme, EN, IEC, UL | CE, cURus |
| Standard Number | 55024; 55032 Class A; 60950-1; 62368-1 | 60335-1; 62368-1 |
| Line Regulation | ±0.5% | ±1.5% |
| Load Regulation | ±1.5% | ±3% |
| RoHS Status | RoHS Compliant | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | Not Applicable | Not Applicable |
Engineering Selection Recommendations
The PBO-5-S9-B is classified as Obsolete. The PBO-5C-9 is listed as Active and is RoHS Compliant, meeting modern regulatory requirements. Both parts are supplied by CUI Inc. and possess similar output voltage, current, and power characteristics. The PBO-5C-9 carries CE and cURus approvals and meets standard numbers 60335-1 and 62368-1. Only substitutions with suitable compliance and provided certifications are included for consideration.
Frequently Asked Questions (FAQ)
Q: Which parameters are critical when substituting the PBO-5-S9-B AC/DC converter?
A: The key parameters are output voltage (9V), output current (560mA), power rating (5W), input voltage range, number of outputs, compliance status (RoHS), and applicable approval agency certifications.
Q: Can the PBO-5C-9 be used in place of the PBO-5-S9-B?
A: The PBO-5C-9 provides identical main output specifications, meets RoHS compliance, and is produced by the same manufacturer. Certifications and input/output parameters are consistent with application category requirements.
Q: Are there differences in mechanical or dimensional characteristics between the parts?
A: The PBO-5C-9 features a 6-SIP module packaging and different size dimensions compared to the 14-SIP format of the PBO-5-S9-B. This must be verified against system mechanical constraints.
Q: How do approval agency differences affect substitution?
A: Substitute parts must have approval agency certifications consistent with the application environment. Both parts include third-party safety approvals and comply with relevant standard numbers.
Q: Is mounting type a concern for direct substitution?
A: The original part specifies "Through Hole, Right Angle", while the substitute uses "Through Hole". It is necessary to ensure compatibility with the target PCB footprint and orientation, strictly based on data provided.
Q: What regulatory statuses affect selection?
A: Both the main and substitute parts are RoHS compliant and have Not Applicable MSL designations. Only parts meeting these regulatory criteria are included.
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