FTLC9554REPM Equivalent & Substitute Parts

Part Overview

The FTLC9554REPM is a QSFP28 transceiver module manufactured by Finisar Corporation, designed for high-speed Ethernet applications. This module operates at 103.1 Gbps with 850nm wavelength transmission and is rated for 3.3V supply voltage with MTP® (MPO) connector configuration. The product is currently classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance and component procurement.

Substiute Parts

FTLC9554REPM

Finisar CorporationIn Stock: 947FTLC9554REPM Datasheet

Current PartRFQ

FTLC9555NEPM

CoherentIn Stock: 949FTLC9555NEPM Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FTLC9554REPM is determined by strict alignment across the following critical parameters:

• Data Rate: 103.1 Gbps (exact match required)
• Wavelength: 850 nm (exact match required)
• Supply Voltage: 3.3 V (exact match required)
• Connector Type: MTP® (MPO) (exact match required)
• Mounting Type: Pluggable, QSFP28 (exact match required)
• Application: Ethernet (exact match required)
• RoHS Compliance: Required

The FTLC9555NEPM meets all substitution criteria, providing functional equivalence for direct replacement in systems currently utilizing the FTLC9554REPM.

Parameter Comparison

Engineering Selection Recommendations

The FTLC9555NEPM is a direct functional equivalent to the FTLC9554REPM. Both components satisfy identical electrical and mechanical specifications across all critical parameters. The primary distinction is product status: the FTLC9554REPM is obsolete, while the FTLC9555NEPM maintains active production status through Coherent. Both components carry RoHS compliance certification and identical moisture sensitivity ratings, ensuring regulatory and environmental compatibility in existing system designs.

Frequently Asked Questions (FAQ)

Q: Can the FTLC9555NEPM replace the FTLC9554REPM in existing installations?

A: Yes. Both components share identical electrical specifications (103.1 Gbps data rate, 850 nm wavelength, 3.3 V supply), mechanical form factor (QSFP28 pluggable), and connector configuration (MTP® (MPO)). Direct substitution is supported without system modification.

Q: What is the significance of the product status difference?

A: The FTLC9554REPM is classified as obsolete, indicating discontinued manufacturing. The FTLC9555NEPM maintains active production status, ensuring long-term availability and supply chain continuity for new procurements and system maintenance.

Q: Are there packaging considerations for substitution?

A: The FTLC9555NEPM is supplied in Tray packaging. Packaging format does not affect functional compatibility or electrical performance. Verify packaging requirements align with your receiving and handling procedures.

Q: Do both components meet the same compliance standards?

A: Yes. Both the FTLC9554REPM and FTLC9555NEPM are RoHS compliant and carry identical Moisture Sensitivity Level ratings (MSL 1, Unlimited), ensuring equivalent regulatory and environmental compliance.