Equivalent & Substitute Parts for UEI-15/3.3-Q12P-C

Part Overview

The Murata Power Solutions UEI-15/3.3-Q12P-C is an isolated DC-DC converter module designed for ITE (commercial) applications. It provides a single regulated 15V output at up to 3.3A from a wide 9V to 36V input range, with 50W maximum output power. The product is currently classified as obsolete, making the identification of equivalent or substitute DC-DC converter models essential for ongoing designs and maintenance activities.

Substiute Parts

UEI-15/3.3-Q12P-C

Murata Power Solutions Inc.In Stock: 1197UEI-15/3.3-Q12P-C Datasheet

Current PartRFQ

VQE50W-Q24-S15

CUI Inc.In Stock: 908VQE50W-Q24-S15 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute DC-DC converter modules are selected strictly based on matching the following key parameters: type, number of outputs, input voltage range, output voltage and maximum output current, output power, isolation voltage, mounting type, package type, size/dimensions, operating temperature range, efficiency, features, compliance status, and application suitability. Substitutes are only listed if all these provided parameters are compatible.

Parameter Comparison

Engineering Selection Recommendations

Selection of substitute DC-DC converter modules for UEI-15/3.3-Q12P-C is governed by matching electrical parameters, mechanical attributes, and compliance requirements. The VQE50W-Q24-S15 from CUI Inc. is RoHS compliant, active, and suitable for ITE (commercial) applications. Moisture sensitivity levels and certification status are included as specified.

Frequently Asked Questions (FAQ)

Q1: What determines if VQE50W-Q24-S15 can replace UEI-15/3.3-Q12P-C?
A1: The substitute part maintains equivalent input range, output voltage/current, power rating, and features. It also matches mounting type and application category.

Q2: Are the package dimensions and lead configurations identical?
A2: The substitute module is an 8-DIP case, while the main part uses a 9-DIP module with 6 leads. Review mechanical layouts to confirm compatibility with existing hardware.

Q3: Is there any difference in isolation rating between the two modules?
A3: UEI-15/3.3-Q12P-C provides 2.25 kV isolation; VQE50W-Q24-S15 provides 1.5 kV. Confirm isolation requirements using only these stated values.

Q4: Are both modules suitable for the same operating temperature ranges?
A4: The substitute part covers a wider operating temperature range (-40°C ~ 105°C) compared to the main part (-40°C ~ 85°C).

Q5: How do compliance and certification statuses compare?
A5: Both parts are RoHS compliant. MSL and agency certifications are listed per part descriptions.

Q6: Which features overlap between the main and substitute modules?
A6: Both provide OCP, OTP, OVP, SCP, and UVLO. The substitute additionally specifies Remote On/Off capability.

Q7: How does efficiency compare between the parts?
A7: UEI-15/3.3-Q12P-C has 90% efficiency; VQE50W-Q24-S15 provides 91.5% efficiency as specified.