Switchcraft A5FB 5-Position XLR Circular Connector Plug - Equivalent & Substitute Parts

Part Overview

The Switchcraft A5FB is a 5-position circular connector plug with female sockets, designed for audio and instrumentation applications. This connector features solder cup termination, latch lock fastening, and includes backshell, cable clamp, ground, and strain relief features. The A5FB is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing system maintenance and component procurement.

Substiute Parts

A5FB

Switchcraft Inc.In Stock: 702A5FB Datasheet

Current PartRFQ

A5FBX

Switchcraft Inc.In Stock: 1047A5FBX Datasheet

DirectRFQ

AC5FB

Amphenol AudioIn Stock: 981AC5FB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the A5FB are identified based on strict electrical and mechanical parameter alignment. The critical parameters determining substitution eligibility are:

• Connector type (Plug, Female Sockets)
• Number of positions (5)
• Shell size (XLR)
• Termination method (Solder Cup)
• Fastening mechanism (Latch Lock)
• Current rating (7.5A minimum)
• Mounting configuration (Free Hanging/In-Line)

Two substitute parts meet these criteria: the Switchcraft A5FBX (direct manufacturer equivalent) and the Amphenol Audio AC5FB (cross-manufacturer alternative). Both maintain functional compatibility with the original A5FB specification while offering improved product status and compliance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The Switchcraft A5FBX represents the primary substitute for the obsolete A5FB. Both parts are manufactured by Switchcraft Inc. and share identical electrical and mechanical specifications, including current rating, voltage rating, cable opening dimensions, and shell material composition. The A5FBX carries Active product status and ROHS3 compliance, addressing regulatory requirements that the original A5FB does not meet.

The Amphenol Audio AC5FB serves as a cross-manufacturer alternative. While maintaining core functional compatibility through identical connector type, position count, shell size, termination method, and fastening mechanism, the AC5FB incorporates design variations in cable opening range (0.118" ~ 0.256" versus 0.210" ~ 0.300"), shell material (Zinc Die Cast versus Stainless Steel), and contact material (Phosphor Bronze versus Brass). The AC5FB provides additional environmental specifications including IP40 ingress protection and operating temperature range (-25°C ~ 75°C), along with ROHS3 compliance and UL94 V-0 flammability rating.

Selection between A5FBX and AC5FB depends on cable diameter requirements and environmental operating conditions. The A5FBX maintains exact dimensional compatibility with the original A5FB design. The AC5FB accommodates smaller cable diameters and provides enhanced environmental protection specifications.

Frequently Asked Questions (FAQ)

Q: Can the A5FBX directly replace the A5FB in existing assemblies?

A: Yes. The A5FBX maintains identical electrical ratings (7.5A, 125VAC), mechanical configuration (5-position XLR, solder cup termination, latch lock fastening), and cable opening dimensions (0.210" ~ 0.300"). Both parts are manufactured by Switchcraft Inc. and are functionally interchangeable.

Q: What are the key differences between the A5FBX and AC5FB substitutes?

A: The primary differences are cable opening range, shell material, and contact material. The A5FBX maintains the original A5FB cable opening specification (0.210" ~ 0.300"), while the AC5FB accommodates smaller cables (0.118" ~ 0.256"). The A5FBX uses stainless steel shell with brass contacts; the AC5FB uses zinc die cast shell with phosphor bronze contacts. Both maintain 7.5A current rating and latch lock fastening.

Q: Does cable opening range affect substitution compatibility?

A: Cable opening range determines the acceptable cable diameter for the connector. The A5FBX cable opening (0.210" ~ 0.300") matches the original A5FB specification. The AC5FB cable opening (0.118" ~ 0.256") is narrower and accommodates smaller diameter cables. Selection must align with the actual cable diameter used in the application.

Q: Are both substitute parts RoHS compliant?

A: Yes. Both the A5FBX and AC5FB carry ROHS3 compliance status. The original A5FB is RoHS non-compliant, making either substitute necessary for applications requiring RoHS compliance.

Q: What packaging options are available for the substitute parts?

A: The A5FBX is available in Bulk packaging. The AC5FB is also available in Bulk packaging. Both parts maintain New Original In Stock status with substantial inventory availability.

Q: Does the AC5FB provide environmental protection specifications?

A: Yes. The AC5FB includes IP40 ingress protection rating and specified operating temperature range (-25°C ~ 75°C). The A5FBX and original A5FB do not include these environmental specifications.