FTLX3671MTC39 Equivalent & Substitute Parts

Part Overview

The FTLX3671MTC39 is a 15XXNM DWDM EML transceiver module manufactured by Finisar Corporation, designed for Ethernet and Fibre Channel applications. This SFP+ pluggable module operates at data rates between 1.2288 and 11.3176 Gbps with a center wavelength of 1546nm and supply voltage range of 3.14V to 3.46V. The product is currently classified as obsolete, making identification of equivalent substitute parts essential for system maintenance and component procurement.

Substiute Parts

FTLX3671MTC39

Finisar CorporationIn Stock: 931FTLX3671MTC39 Datasheet

Current PartRFQ

FTLX3971MTC39

Finisar CorporationIn Stock: 1152FTLX3971MTC39 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the FTLX3671MTC39 are identified based on the following critical parameters that determine functional equivalence:

• Manufacturer: Finisar Corporation (same manufacturer ensures design compatibility)
• Base Product Number: FTLX3971 series (indicates product line evolution and compatibility)
• RoHS Compliance: Both parts maintain RoHS Compliant status, ensuring regulatory alignment
• Product Status: Active substitute parts ensure ongoing availability and support

The FTLX3971MTC39 is classified as the manufacturer-recommended substitute. While specific electrical parameters (data rate, wavelength, voltage supply) and connector details are not provided for the substitute part in the available documentation, the base product number progression and manufacturer recommendation establish the substitution relationship.

Parameter Comparison

Engineering Selection Recommendations

The FTLX3971MTC39 is designated as the manufacturer-recommended substitute for the obsolete FTLX3671MTC39. Selection of this substitute part is supported by:

• Manufacturer Continuity: Both parts originate from Finisar Corporation, ensuring design lineage and compatibility within the product ecosystem
• Regulatory Compliance: Both parts maintain RoHS Compliant status, satisfying environmental and regulatory requirements
• Active Product Status: The substitute part is actively manufactured and supported, providing long-term availability and supply chain stability
• Certification Alignment: Both parts carry appropriate ECCN classifications for their respective product lifecycles

Frequently Asked Questions (FAQ)

Q: Why is the FTLX3671MTC39 being replaced? A: The FTLX3671MTC39 has reached end-of-life status and is classified as obsolete. The FTLX3971MTC39 represents the current active equivalent from Finisar Corporation for continued system support and new deployments.

Q: Are both parts RoHS compliant? A: Yes. Both the FTLX3671MTC39 and FTLX3971MTC39 maintain RoHS Compliant status, ensuring compatibility with environmental regulations and procurement standards.

Q: What is the difference between the base product numbers FTLX3671 and FTLX3971? A: The base product number progression from FTLX3671 to FTLX3971 indicates product line evolution within Finisar's transceiver module portfolio. The FTLX3971 series represents the current generation replacement for the obsolete FTLX3671 series.

Q: Is the FTLX3971MTC39 available in stock? A: Yes. The FTLX3971MTC39 is actively manufactured with 1094 pieces available as new original stock in bulk packaging.

Q: What does MSL 1 (Unlimited) mean for the substitute part? A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life under standard storage conditions, requiring no special moisture control measures during handling and storage.