Equivalent & Substitute Parts for Würth Elektronik 749013012

Part Overview

The Würth Elektronik 749013012 is a Pulse Transformer classified as obsolete. As this component has reached end-of-life status, identifying suitable substitute parts is essential for maintaining design continuity and ensuring supply chain reliability. The primary recommended substitute is the 749013011A, an active LAN 10/100 Base-T Power over Ethernet (PoE) Pulse Transformer from the same manufacturer.

Substiute Parts

749013012

Würth ElektronikIn Stock: 1216749013012 Datasheet

Current PartRFQ

749013011A

Würth ElektronikIn Stock: 3449749013011A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 749013012 is based on functional equivalence within the Würth Elektronik transformer product line. The 749013011A serves as the manufacturer-recommended substitute and is classified as an active product with current production status. The substitution logic is determined by the following criteria:

• Manufacturer Consistency: Both parts are manufactured by Würth Elektronik, ensuring design compatibility and quality standards alignment
• Functional Category: Both components function as pulse transformers for LAN applications
• Application Compatibility: The 749013011A is specifically designed for 10/100 Base-T and Power over Ethernet (PoE) applications
• Supply Availability: The 749013011A maintains active production status with 3364 units in stock, compared to the obsolete 749013012

Parameter Comparison

Engineering Selection Recommendations

The 749013011A is the manufacturer-recommended substitute for the obsolete 749013012. Selection of this substitute is supported by the following factors:

• Product Status: The 749013011A maintains active production status, ensuring long-term availability and supply chain continuity
• Regulatory Compliance: The 749013011A is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements
• Moisture Sensitivity: MSL rating of 1 (Unlimited) indicates minimal moisture sensitivity, suitable for standard handling and storage conditions
• Inventory Availability: With 3364 units in stock, the 749013011A provides immediate procurement capability

Frequently Asked Questions (FAQ)

Q: Why is the 749013012 being discontinued? A: The 749013012 has reached obsolete status. The 749013011A from the WE-LAN series is the active replacement offering equivalent pulse transformer functionality for LAN 10/100 Base-T and PoE applications.

Q: What are the key differences between 749013012 and 749013011A? A: The primary difference is product status: 749013012 is obsolete, while 749013011A is active. The 749013011A provides specified electrical parameters including 350µH inductance, 1:1 turns ratio, and surface mount configuration with defined thermal and compliance characteristics.

Q: Is the 749013011A compatible with existing designs using 749013012? A: Compatibility depends on the specific design requirements. Both components are Würth Elektronik pulse transformers. The 749013011A is specified for LAN 10/100 Base-T and PoE applications with surface mount packaging. Design verification is necessary to confirm fit and functional requirements.

Q: What is the packaging format for the 749013011A? A: The 749013011A is supplied in Tape & Reel (TR) packaging, standard for surface mount components in production environments.

Q: Are there compliance certifications for the 749013011A? A: Yes. The 749013011A is ROHS3 compliant, REACH unaffected, and carries an MSL rating of 1 (Unlimited), indicating compliance with current environmental regulations and minimal moisture sensitivity requirements.

Q: What is the operating temperature range for the 749013011A? A: The 749013011A operates across -40°C to 105°C, suitable for industrial and commercial applications.