AFCT-5750ATLZ Equivalent & Substitute Parts

Part Overview

The AFCT-5750ATLZ is a transceiver module manufactured by Broadcom Limited, designed for general-purpose optical communication applications. This SFP (Small Form-Factor Pluggable) module operates at 622Mbps with a 1300nm wavelength and supports LC duplex connectivity. The product is classified as obsolete, making equivalent and substitute parts necessary for system maintenance, upgrades, and continued deployment in active networks.

Substiute Parts

AFCT-5750ATLZ

Broadcom LimitedIn Stock: 833AFCT-5750ATLZ Datasheet

Current PartRFQ

HFBR-57E0ALZ

Broadcom LimitedIn Stock: 2180HFBR-57E0ALZ Datasheet

SimilarRFQ

AFCT-5750ATLZ-C

ATGBICSIn Stock: 9750AFCT-5750ATLZ-C Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AFCT-5750ATLZ is determined by the following critical parameters:

Primary Compatibility Criteria:

• Connector Type: LC Duplex (required for physical compatibility)
• Mounting Type: Pluggable, SFP (required for form factor compatibility)
• Wavelength: 1300nm (required for optical path compatibility)
• Voltage Supply Range: Must accommodate 3.1V ~ 4.6V operation

Secondary Compatibility Criteria:

• Data Rate: Higher data rates are acceptable for backward compatibility
• RoHS Compliance: ROHS3 compliance required for regulatory alignment
• REACH Status: REACH Unaffected status required

The identified substitute parts meet these criteria with the following considerations:

HFBR-57E0ALZ: Shares 1300nm wavelength, LC duplex connector, SFP form factor, and ROHS3 compliance. Operates at 155MBd with 3.3V supply, which falls within the acceptable voltage range.

AFCT-5750ATLZ-C: Shares LC connector, SFP form factor, and ROHS3 compliance. Operates at 1.25Gbps (higher data rate), 1310nm wavelength (compatible with 1300nm systems), and 3.3V supply.

Parameter Comparison

Engineering Selection Recommendations

HFBR-57E0ALZ is suitable for applications requiring exact wavelength matching (1300nm) and duplex LC connectivity. This part maintains Broadcom manufacturing lineage and active product status, ensuring continued support and availability. The lower data rate (155MBd) is appropriate for legacy systems operating below 622Mbps capacity.

AFCT-5750ATLZ-C is suitable for applications where higher data rate capability (1.25Gbps) provides future-proofing and operational headroom. The 1310nm wavelength is compatible with 1300nm systems within standard optical communication tolerances. This part offers active product status and ROHS3 compliance. Availability is significantly higher (9716 Pcs in stock versus 2100 Pcs for HFBR-57E0ALZ).

Both substitute parts maintain ROHS3 compliance and REACH Unaffected status, meeting regulatory requirements equivalent to the main part.

Frequently Asked Questions (FAQ)

Q: Can HFBR-57E0ALZ directly replace AFCT-5750ATLZ in all applications?

A: HFBR-57E0ALZ shares critical physical and optical parameters (1300nm wavelength, LC duplex connector, SFP form factor). The 155MBd data rate is lower than the original 622Mbps specification. Compatibility depends on whether the receiving system can operate at the lower data rate. Voltage supply (3.3V) is within the acceptable range for the original part (3.1V ~ 4.6V).

Q: What is the difference between 1300nm and 1310nm wavelengths?

A: Both wavelengths operate in the same optical communication band and are compatible with standard 1300nm systems. The 1310nm wavelength in AFCT-5750ATLZ-C falls within the acceptable tolerance for systems designed for 1300nm operation.

Q: Why does AFCT-5750ATLZ-C have higher data rate capability?

A: AFCT-5750ATLZ-C is specified for 1.25Gbps operation, which is a higher performance tier than the original 622Mbps specification. This part can operate in systems requiring higher throughput while maintaining backward compatibility with lower-speed requirements.

Q: Are there inventory considerations for substitute selection?

A: AFCT-5750ATLZ-C has significantly higher inventory availability (9716 Pcs) compared to HFBR-57E0ALZ (2100 Pcs). For applications with extended deployment timelines, AFCT-5750ATLZ-C may offer better long-term supply assurance.

Q: What does MSL rating indicate for these parts?

A: MSL (Moisture Sensitivity Level) indicates storage and handling requirements. HFBR-57E0ALZ has MSL 1 (unlimited shelf life), while AFCT-5750ATLZ has MSL 3 (168-hour limit after moisture exposure). AFCT-5750ATLZ-C is not applicable for MSL rating. Lower MSL ratings provide greater flexibility in storage and handling conditions.

Q: Are both substitute parts RoHS compliant?

A: Yes, both HFBR-57E0ALZ and AFCT-5750ATLZ-C are ROHS3 compliant, matching the compliance status of the original AFCT-5750ATLZ. Both parts also maintain REACH Unaffected status.