FTLX3671MTC21 Equivalent & Substitute Parts

Part Overview

The FTLX3671MTC21 is a 15XXNM DWDM EML transceiver module manufactured by Finisar Corporation, designed for Ethernet and Fibre Channel applications. This module operates at 1561nm wavelength with data rates spanning 1.2288 to 11.3176Gbps and is housed in a pluggable SFP+ form factor with LC Duplex connectors. The product is currently classified as obsolete, making identification of suitable substitute components essential for system maintenance and component procurement.

Substiute Parts

FTLX3671MTC21

Finisar CorporationIn Stock: 806FTLX3671MTC21 Datasheet

Current PartRFQ

FTLX3971MTC21

Finisar CorporationIn Stock: 808FTLX3971MTC21 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FTLX3671MTC21 is based on the following critical parameters:

• Mounting Type: Pluggable, SFP+ form factor compatibility
• Connector Type: LC Duplex interface
• Applications: Ethernet and Fibre Channel support
• RoHS Compliance: Environmental regulatory alignment

The substitute part FTLX3971MTC21 is identified as the manufacturer-recommended replacement. While specific data rate, wavelength, and voltage parameters are not provided for the substitute part in the available documentation, the substitute maintains the same manufacturer lineage (Finisar Corporation) and is classified as an active product, ensuring ongoing availability and support.

Parameter Comparison

Engineering Selection Recommendations

The FTLX3971MTC21 is the manufacturer-recommended substitute for the obsolete FTLX3671MTC21. Selection of this substitute is supported by:

• Active product status ensuring current manufacturing and technical support availability
• RoHS compliance alignment with the original part
• Common manufacturer (Finisar Corporation) providing design continuity
• MSL rating of 1 indicating minimal moisture sensitivity constraints during handling and storage

Frequently Asked Questions (FAQ)

Q: Why is the FTLX3671MTC21 being replaced? A: The FTLX3671MTC21 is classified as obsolete. The FTLX3971MTC21 is the active manufacturer-recommended substitute, ensuring continued availability and support.

Q: Are the FTLX3671MTC21 and FTLX3971MTC21 form factor compatible? A: Both parts are manufactured by Finisar Corporation and are designed for pluggable SFP+ applications with LC Duplex connectors, supporting compatibility in standard SFP+ module slots.

Q: What is the significance of the MSL rating on the substitute part? A: The MSL 1 rating on the FTLX3971MTC21 indicates unlimited moisture sensitivity, meaning the component has minimal constraints during storage and handling compared to higher MSL-rated components.

Q: Are both parts RoHS compliant? A: Yes, both the FTLX3671MTC21 and FTLX3971MTC21 are RoHS compliant, meeting environmental regulatory requirements.

Q: What applications are supported by these transceiver modules? A: Both parts support Ethernet and Fibre Channel applications, making them suitable for data center and telecommunications infrastructure deployments.