AFCT-5755PZ Equivalent & Substitute Parts

Part Overview

The AFCT-5755PZ is a transceiver module manufactured by Broadcom Limited, classified as a TXRX SFF OC12/STM-4 SR BAIL DMI unit. This is a general-purpose optical transceiver operating at 622Mbps with 1300nm wavelength, designed for LC Duplex pluggable SFP form factor applications. The product is currently obsolete, making identification of compatible substitute parts essential for system maintenance and component replacement in legacy installations.

Substiute Parts

AFCT-5755PZ

Broadcom LimitedIn Stock: 782AFCT-5755PZ Datasheet

Current PartRFQ

HFBR-57E0PZ

Broadcom LimitedIn Stock: 801HFBR-57E0PZ Datasheet

SimilarRFQ

AFCT-5755PZ-C

ATGBICSIn Stock: 10650AFCT-5755PZ-C Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AFCT-5755PZ are identified based on the following critical parameters that determine functional compatibility:

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 compatibility)
• Voltage Supply Range: Compatibility within 3.1V to 4.6V operating window

Secondary Considerations:

• Data Rate: The original part operates at 622Mbps; substitutes may operate at different rates depending on application requirements
• RoHS and REACH Compliance: All identified substitutes maintain ROHS3 compliance and REACH Unaffected status
• Product Status: Active substitutes are preferred for ongoing availability

Two substitute parts meet the core compatibility requirements while maintaining compliance standards.

Parameter Comparison

Engineering Selection Recommendations

HFBR-57E0PZ is a direct substitute from Broadcom Limited with active product status. This part maintains the same wavelength (1300nm), connector type (LC Duplex), and SFP form factor. The voltage supply of 3.3V falls within the original part's operating range (3.1V ~ 4.6V). The data rate of 155MBd is lower than the original 622Mbps specification. ROHS3 compliance and REACH Unaffected status are maintained. MSL rating of 1 (Unlimited) provides superior moisture handling compared to the original MSL 3 rating.

AFCT-5755PZ-C is an alternative substitute manufactured by ATGBICS with active product status. This part operates at 1.25Gbps, exceeding the original data rate specification. The wavelength of 1310nm is within the 1300nm band. The connector type is specified as LC (not explicitly duplex). The voltage supply of 3.3V is compatible with the original operating range. MSL is not applicable for this part.

Both substitutes maintain compliance certifications and are currently in active production. Selection between them depends on specific data rate requirements and connector configuration needs of the target application.

Frequently Asked Questions (FAQ)

Q: Can HFBR-57E0PZ replace AFCT-5755PZ in all applications?

A: HFBR-57E0PZ shares the same wavelength (1300nm), connector type (LC Duplex), and SFP form factor as the original part. The primary difference is data rate: HFBR-57E0PZ operates at 155MBd versus the original 622Mbps. Compatibility depends on whether the target application can operate at the lower data rate. Voltage supply (3.3V) is within the original operating range (3.1V ~ 4.6V).

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

A: Both wavelengths fall within the same optical band used for short-to-medium range fiber optic transmission. The 10nm difference is within standard optical component tolerances for this application category. Parts specified for 1300nm and 1310nm are generally interchangeable in system applications.

Q: Why does AFCT-5755PZ-C have a higher data rate than the original part?

A: AFCT-5755PZ-C operates at 1.25Gbps, which exceeds the original 622Mbps specification. This higher data rate capability does not prevent its use as a substitute; the part can operate at lower speeds if required by the application. Verify that the target system can support the higher bandwidth capability.

Q: Are all substitute parts RoHS compliant?

A: HFBR-57E0PZ and the original AFCT-5755PZ are both ROHS3 compliant. AFCT-5755PZ-C RoHS status is not specified in the provided data. Verify RoHS compliance requirements for your specific application before selection.

Q: What does MSL rating mean for component selection?

A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to moisture before soldering. The original AFCT-5755PZ has MSL 3 (168 hours maximum). HFBR-57E0PZ has MSL 1 (unlimited exposure), providing superior moisture tolerance. AFCT-5755PZ-C has MSL Not Applicable. Higher MSL ratings (lower numbers) are preferable for storage and handling flexibility.

Q: Is the LC Duplex connector type critical for substitution?

A: Yes. The original part specifies LC Duplex connector type. HFBR-57E0PZ explicitly matches this specification. AFCT-5755PZ-C specifies LC connector type without explicit duplex designation. Verify connector configuration compatibility with your system's optical interface before selection.