PT4124C Equivalent & Substitute Parts Reference

Part Overview

The PT4124C, manufactured by Texas Instruments, is an isolated module DC-DC converter designed for ITE (Commercial) applications. It provides a regulated 15V output at up to 1.3A from a 36V to 75V input range, with 20W maximum output power. The product is classified as obsolete, necessitating the identification of alternative models to ensure continued availability and design sustainability.

Substiute Parts

PT4124C

Texas InstrumentsIn Stock: 1126PT4124C Datasheet

Current PartRFQ

RP20-4815SFW

Recom PowerIn Stock: 669RP20-4815SFW Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are selected using direct matching of the following parameters, as provided:

• Isolated module topology
• Number of outputs (1)
• Output voltage (15V)
• Maximum output current (~1.3A)
• Input voltage range
• Output power (20W)
• Isolation voltage rating
• Application domain (ITE Commercial)
• Feature set
• Operating temperature range
• Efficiency
• RoHS and REACH compliance
• Moisture Sensitivity Level
• Mounting and package type

Only parts meeting all specified values and compliance statuses are suitable as substitutes for the PT4124C.

Parameter Comparison

Engineering Selection Recommendations

The PT4124C is currently categorized as obsolete. Substitute parts must be active status and fully compliant with ROHS3, REACH regulations, and other certifications provided. Substitute selection must maintain equivalent isolation voltage ratings, power capability, output voltage and current, application suitability, and compliance identifiers. Mounting type and package differences should be evaluated by engineering teams based on system requirements.

Frequently Asked Questions (FAQ)

Q1: What parameters are critical for substituting isolated module DC-DC converters in this category?
A1: Critical parameters include type (isolated module), output voltage, output current, output power, input voltage range, isolation voltage, application type (ITE commercial), efficiency, compliance (RoHS, REACH), and features such as protection functionalities.

Q2: Can PT4124C and RP20-4815SFW be directly interchanged in a design?
A2: Both parts fulfill key electrical parameters. However, differences in mounting type and package (surface-mount vs. through-hole, SMD module vs. DIP module) must be considered in design adaptation.

Q3: What regulatory compliance aspects must be maintained when selecting a substitute?
A3: Substitutes must match the RoHS3 and REACH statuses and certifications as specified for the original part.

Q4: What are the dimensional considerations when choosing a substitute part?
A4: Compare size and package style parameters to ensure compatibility with PCB layout and physical enclosure requirements.

Q5: Are all features identical between the main and substitute parts?
A5: Both parts implement overcurrent and short circuit protection with remote or enable control features. Some feature specifics may differ and should be reviewed per input parameters.