Equivalent & Substitute Parts Reference: RBQ-12/33-D48PBSH-C

Part Overview

RBQ-12/33-D48PBSH-C from Murata Power Solutions Inc. is an Intermediate Bus Converter DC-DC Converter, providing a single 11.85V output at up to 33A with 391W total power, operating over a 36V to 75V input range. Its product status is Obsolete, requiring engineers to identify alternative models with equivalent or superior electrical and mechanical parameters to ensure uninterrupted system deployment and maintenance.

Substiute Parts

RBQ-12/33-D48PBSH-C

Murata Power Solutions Inc.In Stock: 743RBQ-12/33-D48PBSH-C Datasheet

Current PartRFQ

DVQ0135V2PBSC

Murata Power Solutions Inc.In Stock: 716DVQ0135V2PBSC Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are selected by matching the following explicit electrical and mechanical parameters: type (Intermediate Bus Converter), manufacturer, input voltage range (36V–75V), number of outputs (1), output voltage, output current (max), power rating, voltage isolation, mounting type, package/case size, control features, applications, operating temperature range, and key listed features. The substitute DVQ0135V2PBSC conforms to these criteria, allowing for direct electrical and mechanical replacement within the allowable product specifications.

Parameter Comparison

Engineering Selection Recommendations

RBQ-12/33-D48PBSH-C is categorized as Obsolete, making substitute selection necessary for continued production and repair support. The substitute DVQ0135V2PBSC is currently Active and offers similar key parameters, including input voltage range, output type, mounting, and isolation rating. Compliance factors to consider include REACH (RBQ-12/33-D48PBSH-C is REACH Unaffected; DVQ0135V2PBSC is REACH Affected) and RoHS status for DVQ0135V2PBSC (ROHS3 Compliant). For regulatory environments requiring specific certification or RoHS compliance, explicit attention to the compliance fields is essential.

Frequently Asked Questions (FAQ)

Q1: What are the required parameters for a substitute in this Intermediate Bus Converter category?
A1: Required parameters include type, manufacturer, input voltage range, number of outputs, output voltage, output current (max), power rating, voltage isolation, mounting type, package / case dimensions, operating temperature, control features, and listed protections/features.

Q2: Are package and mounting details consistent between original and substitute models?
A2: Both models use through-hole mounting and quarter-brick form factor, though the number of module leads and module thickness may differ slightly. Size dimensions are closely matched.

Q3: What compliance statuses must be considered when selecting a substitute part?
A3: RoHS and REACH statuses are indicated for both parts. RBQ-12/33-D48PBSH-C is REACH Unaffected and MSL 1 (Unlimited), while DVQ0135V2PBSC is ROHS3 Compliant, REACH Affected, and MSL Not Applicable.

Q4: Is efficiency value a strict requirement for substitution?
A4: Efficiency can affect system-level thermal and power calculations. Both models specify their respective efficiency ratings.

Q5: Do listed features impact substitutability?
A5: Protection and control features are an explicit part of the parameter set. Substitute features closely match, with both offering remote on/off, overcurrent protection, overtemperature protection, short circuit protection, and input undervoltage lockout. DVQ0135V2PBSC also includes overvoltage protection.

Q6: Is it necessary to match the output voltage precisely?
A6: Output voltage is a critical substitution parameter. The substitute provides 12V versus 11.85V from the original part. This variance is based on the strictly listed electrical specification in the provided data.