Equivalent & Substitute Parts for PBO-8-3-B

Part Overview

The CUI Inc. PBO-8-3-B is an open-frame AC/DC converter designed to deliver a single 3.3V output at up to 1.6A with an input voltage range of 85 ~ 305 VAC or 100 ~ 430 VDC. The device is part of the PBO-8 (8W) series and is supplied in a through-hole 16-SIP module form factor with right-angle leads. This part is RoHS compliant and carries CE and cURus approvals meeting IEC 60335-1 and 62368-1 standards. As the product status is listed as "Obsolete," identifying 100% compliant and technically equivalent or substitutable models is necessary for ongoing designs, maintenance, and replacement.

Substiute Parts

PBO-8-3-B

CUI Inc.In Stock: 870PBO-8-3-B Datasheet

Current PartRFQ

PBO-15C-3-B

CUI Inc.In Stock: 1242PBO-15C-3-B Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is based on exact matches or exceedance of essential functional and regulatory parameters relevant to open frame AC/DC converters. Substitute parts must provide:

• Identical or wider input voltage range
• Same output voltage (3.3V)
• Equal or higher maximum output current
• Equal or higher output power
• Same number of outputs
• Same or compatible mounting type and mechanical package
• Matching or applicable compliance certifications and standards (CE, cURus, IEC 60335-1, IEC 62368-1)
• RoHS compliance status

Only parts meeting these criteria based on the provided parameter set are included.

Parameter Comparison

Engineering Selection Recommendations

Select substitutes for the PBO-8-3-B based on the following: the product is obsolete, making continued supply uncertain. Substitute models must match essential electrical parameters, mechanical form factor, and required compliance certifications (including RoHS, CE, cURus, IEC 60335-1, and IEC 62368-1) as specified. Only parts explicitly meeting these criteria are suitable alternatives according to the provided data set.

Frequently Asked Questions (FAQ)

Q1: What parameters determine if another open frame AC/DC converter can substitute the PBO-8-3-B?
A1: The substitute must have the same output voltage (3.3V), equal or greater output current, compatible input voltage range, same number of outputs, matching mounting type and package, and equivalent certifications.

Q2: Can the PBO-15C-3-B fully substitute the PBO-8-3-B?
A2: Yes. The PBO-15C-3-B delivers the same output voltage (3.3V), higher output current (3A vs 1.6A), a compatible input range, and maintains the required compliance and mechanical characteristics per provided specifications.

Q3: Are there dimensional differences between the PBO-8-3-B and PBO-15C-3-B?
A3: Both use a 16-SIP module with 6 leads; the PBO-15C-3-B is marginally wider (0.94" vs 0.88"), but overall length and height are consistent.

Q4: Is certification status equivalent between the main and substitute parts?
A4: Both parts meet CE and cURus certifications and are compliant with IEC 60335-1 and 62368-1 standards according to the input parameters.

Q5: Does the substitute part maintain RoHS compliance?
A5: Both PBO-8-3-B and PBO-15C-3-B are listed as RoHS compliant.