FTLX3671MTC28 Equivalent & Substitute Parts

Part Overview

The FTLX3671MTC28 is a 15XXNM DWDM EML transceiver module manufactured by Finisar Corporation, designed for Ethernet and Fibre Channel applications. This module operates at 1555nm wavelength with data rates spanning 1.2288 to 11.3176Gbps and features an LC Duplex pluggable SFP+ form factor. The product is currently classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and component procurement.

Substiute Parts

FTLX3671MTC28

Finisar CorporationIn Stock: 770FTLX3671MTC28 Datasheet

Current PartRFQ

FTLX3971MTC28

Finisar CorporationIn Stock: 1025FTLX3971MTC28 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The FTLX3971MTC28 is identified as the manufacturer-recommended substitute for the FTLX3671MTC28. Substitution eligibility is determined by the following critical parameters:

• Manufacturer: Finisar Corporation (maintained)
• Base Product Number alignment: FTLX3971 series
• RoHS Compliance: Both parts maintain RoHS Compliant status
• Form Factor: Both utilize pluggable transceiver module architecture
• Connector Interface: LC Duplex connectivity standard

The substitute part maintains compliance certifications and manufacturing lineage within the Finisar product ecosystem, ensuring compatibility within systems designed for the original component.

Parameter Comparison

Engineering Selection Recommendations

The FTLX3971MTC28 is the designated manufacturer-recommended substitute for the obsolete FTLX3671MTC28. Selection of the substitute part is supported by:

• Active product status ensuring ongoing availability and manufacturing support
• Maintained RoHS Compliance certification
• Finisar Corporation manufacturing continuity
• MSL rating of 1 (Unlimited) providing favorable handling and storage characteristics

Component selection should be based on system compatibility verification with the host equipment manufacturer, particularly regarding any form factor or electrical interface specifications not provided in this reference.

Frequently Asked Questions (FAQ)

Q: Why is the FTLX3671MTC28 being replaced? A: The FTLX3671MTC28 is classified as obsolete. The FTLX3971MTC28 is the active substitute recommended by Finisar Corporation for continued component availability.

Q: Are the FTLX3671MTC28 and FTLX3971MTC28 electrically compatible? A: Both parts are manufactured by Finisar Corporation and maintain RoHS Compliance. Electrical compatibility must be verified with your system's host equipment specifications, as detailed electrical parameters for the substitute are not provided in this reference.

Q: What is the difference in packaging between these parts? A: The original FTLX3671MTC28 packaging specification is not provided. The FTLX3971MTC28 substitute is supplied in Bulk packaging with MSL rating of 1 (Unlimited).

Q: Can I use the FTLX3971MTC28 as a direct replacement? A: The FTLX3971MTC28 is the manufacturer-recommended substitute. Direct replacement compatibility depends on your specific system requirements and should be confirmed with your equipment manufacturer before implementation.

Q: What certifications apply to the substitute part? A: The FTLX3971MTC28 maintains RoHS Compliance and carries ECCN classification 5A991B5A with HTSUS code 8517.62.0090.